Human Reproduction
Human Reproduction
                                                        RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC**
                                                                                                                                                                                                    136. Diagrammatic sectional view of male pelvis
    1) Penis                                                                                                                                                                                             is shown with reproductive system. Select the
    2) Penis + Testis                                                                                                                                                                                    option with incorrect identification.
    3) Penis + Testis + Urethral meatus
    4) Penis + Urethral meatus.
131. Main function of secretions of bulbourethral
     glands is :
    1) Source of fructose
    2) Source of calcium
    3) Provide nourishment to developing sperms
    4) Lubrication of penis.
132. Which of the following male reproductive
     structure is not related / matched with the
     given feature/function?
                                                                                                                                                                                                        1) 1 - Ureter, 3 - Urinary bladder, 10 - Testis
    Male reproductive        Feature / Function
                                                                                                                                                                                                        2) 2 - Seminal vesicle, 8 - Foreskin, 11 -
       structure
                                                                                                                                                                                                           Bulbovestibular gland
    1) Testis                Possess 250 lobules
                                                                                                                                                                                                        3) 5 - Prostate gland, 6 - Penis, 12 - Ejaculatory duct
    2) Penis                 Erectile tissues
    3) Prostate gland        Contributes in seminal                                                                                                                                                     4) 4 - Vas deferens, 7 - Urethra, 9 - Scrotum.
                             plasma                                                                                                                                                                 137. Incorrect information about a human testes is
    4) Epididymis            Location of
                                                                                                                                                                                                        1) About 250 seminiferous tubules
                             spermatogenesis
                                                                                                                                                                                                        2) Located extra-abdominally in scrotum
133. Male accessory glands exclude :
                                                                                                                                                                                                        3) Length = 4 to 5 cm, width = 2 to 3 cm
    1) Prostate gland        2) Bulbourethral glands
                                                                                                                                                                                                        4) Primary sex organ of male.
    3) Testis                4) Seminal vesicles
                                                                                                                                                                                                    138. Diagrammatic view of ovary is given. Select
134. Mammary glands -
                                                                                                                                                                                                         the option with correct identification.
    1) are reproductive organs in female.
    2) are not reproductive organs and also not
       integrated with them.
    3) are not considered as reproductive organs but
       integrated functionally / structurally to some
       events.
    4) are external genitalia of female that support
       some events in females like child care.
135. By ligaments, each ovary is connected to -                                                                                                                                                            A                       B
    1) Pelvic wall only                                                                                                                                                                                 1) Tertiary follicle       Ovum
                                                            RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC**
     types of cell divisions or differentiations (A - D).
     Meiosis II is represented by-
1) D 2) C
3) A 4) B
                                                        RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC**
                                                                                                                                                                                                    150. Result of meiosis - II in secondary oocyte is :
     correctly identify the option.                                                                                                                                                                      1) 1 Ootid
                                                                                                                                                                                                         2) 1 Ootid + 1 polar body
                                                                                                                                                                                                         3) 1 Ootid + 2 polar bodies
                                                                                                                                                                                                         4) 1 Ootid + 3 polar body.
                                                                                                                                                                                                    151. Diagrammatic view of female reproductive
                                                                                                                                                                                                         system is given. Select the option with incorrect
                                                                                                                                                                                                         function / feature.
                                                        RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC**
                                                                                                                                                                                                    159. Identify the correct statement from the
     menstrual cycle. Peak concentration of LH is                                                                                                                                                        following:
     expected -                                                                                                                                                                                         1) High levels of estrogen triggers the ovulatory
                                                                                                                                                                                                           surge.
                                                                                                                                                                                                        2) Oogonial cells start to proliferate and give rise
                                                                                                                                                                                                           to functional ova in regular cycles from
                                                                                                                                                                                                           puberty onwards.
    1) in B                  2) in C                                                                                                                                                                    3) Sperms released from seminiferous tubules
    3) in A                  4) Between B and C                                                                                                                                                            are highly motile.
155. Oogenesis is diagrammatically shown. Which                                                                                                                                                         4) Progesterone level is high during the post
     of the following cells are having diploid set of                                                                                                                                                      ovulatory phase of menstrual cycle.
     chromosomes?                                                                                                                                                                                   160. Seminal plasma, the fluid part of semen, is
                                                                                                                                                                                                         contributed by.
                                                                                                                                                                                                        i. Seminal vesicle       ii. Prostate
                                                                                                                                                                                                        iii. Urethra             iv. Bulbourethral gland
                                                                                                                                                                                                        1) i and ii              2) i, ii and iv
                                                                                                                                                                                                        3) ii, iii and iv        4) i and iv
                                                                                                                                                                                                    161. Spermiation is the process of the release of
                                                                                                                                                                                                         sperms from:
    1) A only                2) A, B and C only
                                                                                                                                                                                                        1) Seminiferous tubules
    3) A, B, D and E         4) D and E only                                                                                                                                                            2) Vas deferens
156. Select the incorrect information about the                                                                                                                                                         3) Epididymis
     ampulla of fallopian tube? (NCERT Correction)
                                                                                                                                                                                                        4) Prostate gland
    1) It is the longest part of fallopian tube
                                                                                                                                                                                                    162. Mature Graafian follicle is generally present
    2) It is the most common site for fertilization
                                                                                                                                                                                                         in the ovary of a healthy human female
    3) It is in direct contact with ovary                                                                                                                                                                around :
    4) It is a wide part.                                                                                                                                                                               1) 5 - 8 day of menstrual cycle
                NCERT EXEMPLAR                                                                                                                                                                          2) 11-17 day of menstrual cycle
157. Choose the incorrect statement from the                                                                                                                                                            3) 18 - 23 day of menstrual cycle
     following:                                                                                                                                                                                         4) 24 - 28 day of menstrual cycle
    1) In birds and mammals internal fertilisation                                                                                                                                                  163. Acrosomal reaction of the sperm occurs due
       takes place                                                                                                                                                                                       to:
    2) Colostrum contains antibodies and nutrients                                                                                                                                                      1) Its contact with zona pellucida of the ova
    3) Polyspermy in mammals is prevented by the                                                                                                                                                        2) Reactions within the uterine environment of
       chemical changes in the egg surface                                                                                                                                                                 the female
    4) In the human female implantation occurs                                                                                                                                                          3) Reactions within the epididymal environment
       almost seven days after fertilization                                                                                                                                                               of the male
158. Spot the odd one out from the following                                                                                                                                                            4) Androgens produced in the uterus
     structures with reference to the male                                                                                                                                                          164. Which one of the following is not a male
     reproductive system:                                                                                                                                                                                accessory gland?
    1) Rete testis           2) Epididymis                                                                                                                                                              1) Seminal vesicle       2) Ampulla
    3) Vasa efferentia       4) Isthmus                                                                                                                                                                 3) Prostate              4) Bulbourethral gland
  Prof.Motegaonkar S.R., M.Sc.Chem.,Gold Medalist, SET/NET-JRF,GATE, DRDO,TIFR Qualified                                                                                                                                                           Page: 5
165. The immature male germ cell undergo                                                                                                                                                                    169. Which of the following hormones is not
                                                                RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC**
     division to produce sperms by the process of                                                                                                                                                               secreted by human placenta?
     spermatogenesis. Choose the correct one with                                                                                                                                                               1) hCG                 2) Estrogens
     reference to above.
                                                                                                                                                                                                                3) Progesterone        4) LH
    1) Spermatogonia have 46 chromosomes and
                                                                                                                                                                                                            170. The vas deferens receives duct from the
       always undergo meiotic cell division
                                                                                                                                                                                                                 seminal vesicle and opens into urethra as:
    2) Primary spermatocytes divide by mitotic cell
                                                                                                                                                                                                                1) Epididymis          2) Ejaculatory duct
       division
                                                                                                                                                                                                                3) Efferent ductule    4) Ureter
    3) Secondary spermatocytes have 23
       chromosomes and undergo second meiotic                                                                                                                                                               171. Urethral meatus refers to the:
       division                                                                                                                                                                                                 1) Urinogenital duct
    4) Spermatozoa are transformed into spermatids                                                                                                                                                              2) Opening of vas deferens into urethra
166. Match between the following representing                                                                                                                                                                   3) External opening of the urinogenital duct
     parts of the sperm and their functions and                                                                                                                                                                 4) Muscles surrounding the urinogenial duct
     choose the correct option.
                                                                                                                                                                                                            172. Morula is a developmental stage:
    Column- A                    Column- B
                                                                                                                                                                                                                1) Between the zygote and blastocyst
    A. Head                      i. Enzymes
                                                                                                                                                                                                                2) Between the blastocyst and gastrula
    B. Middle piece              ii. Sperm motility
                                                                                                                                                                                                                3) After the implantation
    C. Acrosome                  iii. Energy
                                                                                                                                                                                                                4) Between implantation and parturtion
    D. Tail                      iv. Genetic material
                                                                                                                                                                                                            173. The membranous cover of the ovum at
    1) A-ii, B-iv, C-i, D-iii                                                                                                                                                                                    ovulation is :
    2) A-iv, B-iii, C-i, D-ii                                                                                                                                                                                   1) Corona radiata      2) Zona radiata
    3) A-iv, B-i, C-ii, D-iii                                                                                                                                                                                   3) Zona pellucida      4) Chorion
    4) A-ii, B-i, C-iii, D-iv                                                                                                                                                                               174. Identify the odd one from the following :
167. Which among           the     following      has      23                                                                                                                                                   1) Labia minora        2) Fimbriae
     chromosomes?
                                                                                                                                                                                                                3) Infundibulum        4) Isthmus
    1) Spermatogonia             2) Zygote
                                                                                                                                                                                                                    PREVIOUS YEAR QUESTIONS
    3) Secondary oocyte          4) Oogonia
168. Match the following and choose the correct                                                                                                                                                             175. Sertoli cells are found in
     options:                                                                                                                                                                                                                           [AIPMT (Prelims)-2010]
    A. Trophoblast               i. Embedding of                                                                                                                                                                1) Ovaries and secrete progesterone
                                    blastocyst in the                                                                                                                                                           2) Adrenal cortex and secrete adrenaline
                                    endometrium
                                                                                                                                                                                                                3) Seminiferous tubules and provide nutrition
    B. Cleavage                  ii. Group of cells that                                                                                                                                                           to germ cells
                                     would differentiate as
                                     embryo                                                                                                                                                                     4) Pancreas and secrete cholecystokinin
    C. Inner cell mass           iii. Outer layer of                                                                                                                                                        176. The signals for parturition originate from
                                      blastocyst attached to                                                                                                                                                                           [AIPMT (Prelims)-2010]
                                      the endometrium                                                                                                                                                           1) Placenta only
    D. Implantation              iv. Mitotic division of                                                                                                                                                        2) Placenta as well as fully developed foetus
                                     zygote
                                                                                                                                                                                                                3) Oxytocin released from maternal pituitary
    1) A-ii, B-i, C-iii, D-iv 2) A-iii, B-iv, C-ii, D-i
                                                                                                                                                                                                                4) Fully developed foetus only
    3) A-iii, B-i, C-ii, D-iv 4) A-ii, B-iv, C-iii, D-i
  Prof.Motegaonkar S.R., M.Sc.Chem.,Gold Medalist, SET/NET-JRF,GATE, DRDO,TIFR Qualified                                                                                                                                                                 Page: 6
                                                        RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC**
177. Which one of the following statements about                                                                                                                                                    182. Part of fallopian tube closest to ovary is
     morula in humans is correct                                                                                                                                                                                                [AIPMT (Prelims)-2010]
                             [AIPMT (Prelims)-2010]                                                                                                                                                     1) Infundibulum      2) Cervix
    1) It has almost equal quantity of cytoplasm as
                                                                                                                                                                                                        3) Ampulla           4) Isthmus
       an uncleaved zygote but much more DNA
    2) It has far less cytoplasm as well as less DNA                                                                                                                                                183. Seminal plasma in human males is rich in
       than in an uncleaved zygote                                                                                                                                                                                              [AIPMT (Prelims)-
                                                                                                                                                                                                         2010]
    3) It has more or less equal quantity of
       cytoplasm and DNA as in uncleaved zygote                                                                                                                                                         1) Fructose and Calcium
    4) It has more cytoplasm and more DNA than                                                                                                                                                          2) DNA and testosterone
       an uncleaved zygote
                                                                                                                                                                                                        3) Ribose and potassium
178. The first movements of the foetus and
     appearance of hair on its head are usually                                                                                                                                                         4) Glucose and Calcium
     observed during which month of pregnancy?                                                                                                                                                      184. In human female, the blastocyst
                         [AIPMT (Prelims)-2010]                                                                                                                                                                               [AIPMT (Mains)-2010]
    1) Fifth month         2) Sixth month
                                                                                                                                                                                                        1) Gets implanted in endometrium by
    3) Third month         4) Fourth month                                                                                                                                                                 trophoblast cells
179. Second maturation division of mammalian
                                                                                                                                                                                                        2) Forms placenta even before implantation
     ovum occurs        [AIPMT (Prelims)-2010]
                                                                                                                                                                                                        3) Gets implanted into uterus 3 days after
    1) Until sperm has penetrated ovum
                                                                                                                                                                                                           ovulation
    2) Until nuclei of sperm and ovum fuse
                                                                                                                                                                                                        4) Gets nutrition' from uterine endometrial
    3) In Graafian follicle following the first
                                                                                                                                                                                                           secretion only after implantation
       maturation division
    4) Shortly after ovulation before the ovum                                                                                                                                                      185. Secretions from which one of the following
       makes entry into fallopian tube                                                                                                                                                                   are rich in fructose, calcium and some
                                                                                                                                                                                                         enzymes.             [AIPMT (Mains)-2010]
180. Vasa efferentia are the ductules leading from
                           [AIPMT (Prelims)-2010]                                                                                                                                                       1) Male accessory glands
    1) Rete testis to vas deferens                                                                                                                                                                      2) Pancreas
    2) Vas deferens to epididymis
                                                                                                                                                                                                        3) Liver
    3) Epididymis to urethra
                                                                                                                                                                                                        4) Salivary glands
    4) Testicular lobules to rete testis
                                                                                                                                                                                                    186. Signals from the fully developed foetus and
181. Which is correct about human sperm?
                                                                                                                                                                                                         placenta ultimately lead to parturition which
                          [AIPMT (Prelims)-2010]
                                                                                                                                                                                                         requires the release of
    1) Sperm lysins in acrosome dissolve egg
       envelope facilitating fertilization                                                                                                                                                                                       [AIPMT (Mains)-2010]
    2) Acrosome serves as sensory structure leading                                                                                                                                                     1) Estrogen from placenta
       the sperm towards ovum
                                                                                                                                                                                                        2) Oxytocin from foetal pituitary
    3) Acrosome has no particular function
                                                                                                                                                                                                        3) Oxytocin from maternal pituitary
    4) Acrosome has conical tip for piercing and
       penetrating egg for-fertilization                                                                                                                                                                4) Relaxin from placenta
188. The testes in humans are situated outside the.                                                                                                                                                     1) Sperm is viable for only up to 24 hours
     abdominal cavity inside a pouch called                                                                                                                                                             2) Viability of sperm is determined by its
     scrotum. The purpose served is for                                                                                                                                                                    motility
                          [AIPMT (Prelims)-2011]                                                                                                                                                        3) Sperm must be concentrated in a thick
    1) Providing a secondary sexual feature for                                                                                                                                                            suspension
       exhibiting the male sex
                                                                                                                                                                                                        4) Survival of sperm depends upon pH of
    2) Maintaining the scrotal temperature lower                                                                                                                                                           medium and is more active in alkaline
       than the internal body temperature                                                                                                                                                                  medium
    3) Escaping any possible compression by the                                                                                                                                                     193. In a normal pregnant woman, the amount of
       visceral organs                                                                                                                                                                                   total gonadotropin activity was assessed. The
    4) Providing more space for the growth of                                                                                                                                                            result expected was [AIPMT (Prelims)-2012]
       epididymis                                                                                                                                                                                       1) High level of circulating hCG to stimulate
189. If for some reason, the vasa efferentia in the                                                                                                                                                        estrogen and progesterone synthesis
     human reproductive system get blocked, the                                                                                                                                                         2) High level of circulating FSH and LH in the
     gametes will not be transported from                                                                                                                                                                  uterus to stimulate implantation of the
                             [AIPMT (Prelims)-2011]                                                                                                                                                        embryo
    1) Vagina to uterus                                                                                                                                                                                 3) High level of circulating hCG to stimulate
    2) Testes to epididymis                                                                                                                                                                                endometrial thickening
    3) Epididymis to vas deferens                                                                                                                                                                       4) High levels of FSH and LH in uterus to
                                                                                                                                                                                                           stimulate endometrial thickening
    4) Ovary to uterus
                                                        RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC**
     are the secretory source of                                                                                                                                                                                                         [NEET-2013]
                           [AIPMT (Prelims)-2012]                                                                                                                                                       1) Oxytocin           2) Vasopressin
    1) Androgens            2) Progesterone                                                                                                                                                             3) Progesterone       4) FSH
    3) Intestinal mucus 4) Glucagon                                                                                                                                                                 199. What is the correct sequence of sperm
195. The secretory phase of human menstrual cycle                                                                                                                                                        formation?                  [NEET-2013]
     is also called          [AIPMT (Mains)-2012]                                                                                                                                                       1) Spermatogonia, Spermatozoa,
    1) Luteal phase and lasts for about 6 days                                                                                                                                                             Spermatocyte, Spermatid
    2) Luteal phase and lasts for about 13 days                                                                                                                                                         2) Spermatogonia, Spermatocyte,
    3) Follicular phase and lasts for about 13 days                                                                                                                                                        Spermatid, Spermatozoa
    4) Follicular phase and lasts for about 6 days                                                                                                                                                      3) Spermatid, Spermatocyte,
196. Identify the human developmental stage                                                                                                                                                                Spermatogonia, Spermatozoa
     shown below as well as the related right place                                                                                                                                                     4) Spermatogonia, Spermatocyte;
     of its occurrence in a normal pregnant
                                                                                                                                                                                                           Spermatozoa, Spermatid
     women, and select the right option for the two
                                                                                                                                                                                                    200. The figure shows a section of human ovary.
     together.              [AIPMT (Mains)-2012]
                                                                                                                                                                                                         Select the option which gives the correct
                                                                                                                                                                                                         identification of A and B with function/
                                                                                                                                                                                                         characteristic:    [NEET (Karnatak1)-2013]
                                                        RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC**
                                                                                                                                                                                                                                     [Re-AIPMT-2015]
     luteum is to produce     [AIPMT-2014]
                                                                                                                                                                                                        1) Pregnancies terminated due to hormonal
    1) Relaxin only
                                                                                                                                                                                                           imbalance
    2) Estrogen only                                                                                                                                                                                    2) Pregnancies with genetic abnormally
    3) Progesterone                                                                                                                                                                                     3) Implantation of embryo at site other than
    4) Human chorionic gonadotropin                                                                                                                                                                        uterus
                                                                                                                                                                                                        4) Implantation of defective embryo in the
203. The shared terminal duct of the reproductive
                                                                                                                                                                                                           uterus
     and urinary system in the human male is
                                    [AIPMT-2014]                                                                                                                                                    209. Capacitation refers to changes in the
                                                                                                                                                                                                                                         [AIPMT-2015]
    1) Vasa efferentia     2) Urethra
                                                                                                                                                                                                        1) Ovum after fertilization
    3) Ureter              4) Vas deferens
                                                                                                                                                                                                        2) Sperm after fertilization
204. Select the correct option describing                                                                                                                                                               3) Sperm before fertilization
     gonadotropin activity in a normal pregnant
                                                                                                                                                                                                        4) Ovum before fertilization
     female.                       [AIPMT-2014]
                                                                                                                                                                                                    210. Which of the following cells during
    1) High level of hCG stimulates the thickening                                                                                                                                                       gametogenesis is normally diploid?
       of endometrium                                                                                                                                                                                                                  [AIPMT-2015]
    2) High level of FSH and LH stimulates the                                                                                                                                                          1) Spermatogonia
       thickening of endometrium                                                                                                                                                                        2) Secondary polar body
    3) High level of FSH and LH facilitate                                                                                                                                                              3) Primary polar body
       implantation of the embryo                                                                                                                                                                       4) Spermatid
    4) High level of hCG stimulates the synthesis of                                                                                                                                                211. Changes in GnRH pulse frequency in females
       estrogen and progesterone                                                                                                                                                                         is controlled by circulating levels of
205. Which of the following events is not                                                                                                                                                                                           [NEET-2016 Phase I]
     associated with ovulation in human female.?                                                                                                                                                        1) Progesterone only
                                 [Re-AIPMT-2015]                                                                                                                                                        2) Progesterone and inhibin
    1) Full development of Graafian follicle                                                                                                                                                            3) Estrogen and progesterone
    2) Release of secondary oocyte                                                                                                                                                                      4) Estrogen and inhibin
                                                                                                                                                                                                    212. Fertilization in humans is practically feasible
    3) LH surge
                                                                                                                                                                                                         only if                   [NEET-2016 Phase I]
    4) Decrease in estradiol
                                                                                                                                                                                                        1) The ovum and sperms are transported
206. In human females, meiosis-II is not completed                                                                                                                                                         simultaneously to ampullary region of the
     until                       [Re-AIPMT-2015]                                                                                                                                                           cervix.
    1) Fertilization       2) Uterine implantation                                                                                                                                                      2) The sperms are transported into cervix within
                                                                                                                                                                                                           48 hours of release of ovum in uterus.
    3) Birth               4) Puberty
                                                                                                                                                                                                        3) The sperms are transported into vagina just
207. Which of the following layers in an aptral                                                                                                                                                            after the release of ovum in fallopian tube.
     follicle is acellular?   [Re-AIPMT-2015]
                                                                                                                                                                                                        4) The ovum and sperms are transported
    1) Theca interna       2) Stroma                                                                                                                                                                       simultaneously to ampullary region of the
    3) Zona pellucida      4) Granulosa                                                                                                                                                                    fallopian tube.
                                                        RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC**
     maintain pregnancy are    [NEET-2018]                                                                                                                                                               mother during the initial days of lactation is
    1) hCG, hPL, progestogens, prolactin                                                                                                                                                                 very essential to impart immunity to the
                                                                                                                                                                                                         newborn infants because it contains
    2) hCG, hPL, estrogens, relaxin, oxytocin
                                                                                                                                                                                                                                          [NEET-2019]
    3) hCG, hPL, progestogens, estrogens
                                                                                                                                                                                                        1) Monocytes
    4) hCG, progestogens, estrogens, glucocorticoids
                                                                                                                                                                                                        2) Macrophages
222. The difference between spermiogenesis and
     spermiation is                [NEET-2018]                                                                                                                                                          3) Immunoglobulin A (IgA)
                                                        RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC**
                                                                                                                                                                                                    232. Which of the following hormone levels will
                             [NEET (Odish1)-2019]                                                                                                                                                       cause release of ovum (ovulation) from the
    1) Gametogenesis  Gamete transfer                                                                                                                                                                 graffian follicle?           [NEET-2020]
       Syngamy  Zygo te  Cell division
                                                                                                                                                                                                        1) High concentration of estrogens
       (Cleavage)  Cell differentiation 
       Organogenesis                                                                                                                                                                                    2) High concentration of progesterone
    2) Gametogenesis  Gamete transfer 
                                                                                                                                                                                                        3) Low concentration of LH
       Syngamy  Zygo te  Cell division
       (Cleavage)  Organogenesis  Cell                                                                                                                                                                4) Low concentration of FSH
       differentiaton
                                                                                                                                                                                                    233. Meiotic division of the secondary oocyte is
    3) Gametogenesis  Syngamy Gamete transfer                                                                                                                                                          completed                        [NEET-2020]
        Zygote  Cell division (Cleavage)  Cell
       differentiation  Organogenesis                                                                                                                                                                  1) Prior to ovulation
    4) Gametogenesis  Gamete transfer                                                                                                                                                                 2) At the time of copulation
       Syngamy  Zygote  Cell differentiation
                                                                                                                                                                                                        3) After zygote formation
        Cell division (Cleavage)  Organogenesis
230. Which of the following hormones is                                                                                                                                                                 4) At the time of fusion of a sperm with an ovum
     responsible for both the milk ejection reflex
                                                                                                                                                                                                    234. Veneral diseases can spread through:
     and the foetal ejection reflex?
                              [NEET (Odisha)-2019]                                                                                                                                                      a) Using sterile needles
    1) Estrogen            2) Prolactin                                                                                                                                                                 b) Transfusion of blood from infected person
    3) Oxytocin            4) Relaxin
                                                                                                                                                                                                        c) Infected mother to foetus
231. Match the following columns and select the
     correct option,               [NEET-2020]                                                                                                                                                          d) Kissing
                                                            RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC** RCC**
236. Match List -1 with List - II.            [NEET-2021]
                                                                                                                                                                                                            Statement I:                     [NEET-2022]
               List-I                       List-II
                                                                                                                                                                                                            The release of sperms into the seminiferous
                                    Entry of sperm                                                                                                                                                          tubules is called spermiation.
     a) Vaults                  (i) through Cervix is
                                    blocked                                                                                                                                                                 Statement II:
    1) (i)      (iii)   (ii)       (iv)                                                                                                                                                                 240. Which of the following statements are true for
                                                                                                                                                                                                             spermatogenesis but do not hold true for
    2) (ii)     (iv)    (iii)      (i)                                                                                                                                                                       Oogenesis?                   [NEET-2022]
    3) (iii)    (i)     (iv)       (ii)                                                                                                                                                                     (a) It results in the formation of haploid gametes
                                                                                                                                                                                                            (b) Differentiation of gamete occurs after the
    4) (iv)     (ii)    (i)        (iii)
                                                                                                                                                                                                               completion of meiosis
237. Which of the following secretes the hormone,                                                                                                                                                           (c) Meiosis occurs continuously in a mitotically
     relaxin, during the later phase of pregnancy ?                                                                                                                                                            dividing stem cell population
    [NEET-2021]
                                                                                                                                                                                                            (d) It is controlled by the Luteinising hormone
    1) Corpus luteum                                                                                                                                                                                           (LH) and Follicle Stimulating Hormone (FSH)
                                                                                                                                                                                                               secreted by the anterior pituitary
    2) Foetus
                                                                                                                                                                                                            (e) It is initiated at puberty
    3) Uterus                                                                                                                                                                                               Choose the most appropriate answer from the
                                                                                                                                                                                                            options given below:
    4) Graafian follicle
                                                                                                                                                                                                            1) (c) and (e) only
238. At which stage of life the oogenesis process is
                                                                                                                                                                                                            2) (b) and (c) only
    initiated?                             [NEET-2022]
                                                                                                                                                                                                            3) (b), (d) and (e) only
    1) Puberty                                                                                                                                                                                              4) (b), (c) and (e) only
    2) Embryonic development stage
3) Birth
4) Adult