Sexual

10. The structure that develops into a seed after

fertilization is:
a) Ovule b) Ovary
Reproduction in c) Embryo sac d) Nucellus

flowering 11-20: Pollination and Double Fertilization

11. Which of the following types of pollination is

Plants genetically similar to autogamy?
a) Geitonogamyb) Xenogamy
c) Cleistogamy d) Anemophily
1-10: Structure of Flower and Pre-Fertilization Events
12. The transfer of pollen from one flower to another on
1. The male reproductive organ in a flower is called: a different plant is called:
a) Carpel b) Pistil a) Self-pollination b) Cleistogamy
c) Androecium d) Gynoecium c) Geitonogamy d) Xenogamy

2. Which of the following tissues nourishes the 13. The role of generative cell in pollen grain is to:
developing pollen grains? a) Form pollen tube b) Produce male gametes
a) Endothecium b) Tapetum c) Attract synergids d) Support the embryo
c) Epidermis d) Nucellus
14. In which type of pollination is pollen carried by wind?
3. The exine of pollen grains is made up of: a) Anemophily b) Entomophily
a) Cellulose b) Pectin c) Hydrophily d) Ornithophily
c) Sporopollenin d) Cutin
15. Which of the following plants uses water as a
4. Which of the following is not a part of the female pollinating agent?
gametophyte? a) Wheat b) Maize
a) Egg cell b) Synergids c) Vallisneria d) Mango
c) Antipodals d) Tapetum
16. The phenomenon of development of seed without
5. In a typical angiosperm, how many microspores are fertilization is called:
produced by a pollen mother cell? a) Parthenocarpy b) Polyembryony
a) 1 b) 2 c) Apomixis d) Double fertilization
c) 3 d) 4
17. The part of pollen tube that enters the embryo sac is:
6. What is the function of the synergids in an embryo a) Chalaza b) Funicle
sac? c) Micropyle d) Integument
a) Produce endosperm
b) Attract pollen tube 18. What happens to the second male gamete during
c) Fuse with male gamete double fertilization?
d) Form seed coat a) Fuses with egg b) Fuses with polar nuclei
c) Forms pollen tube d) Forms seed coat
7. The pollen tube grows through the:
a) Style b) Ovule 19. The type of ovule found in most angiosperms is:
c) Filament d) Stigma a) Orthotropous b) Anatropous
c) Campylotropous d) Amphitropous
8. The embryo sac in a typical angiosperm is:
a) Haploid b) Diploid 20. Which plant shows pollination by bats?
c) Triploid d) Tetraploid a) Pea b) Banana
c) Coconut d) Sunflower
9. Which of the following is NOT an example of
entomophilous plants? 21-30: Seed Development and Apomixis
a) Sunflower b) Mango
c) Wheat d) Rose
21. In angiosperms, seed formation occurs in the: 10. a) Ovule
a) Stigma b) Ovary 11. a) Geitonogamy
c) Anther d) Filament 12. d) Xenogamy
13. b) Produce male gametes
22. The structure that provides nourishment to the 14. a) Anemophily
developing embryo is: 15. c) Vallisneria
a) Endosperm b) Cotyledon 16. c) Apomixis
c) Embryo d) Integuments 17. c) Micropyle
18. b) Fuses with polar nuclei
23. The diploid cell in the embryo sac is: 19. b) Anatropous
a) Synergid b) Egg cell 20. b) Banana
c) Central cell d) Antipodal 21. b) Ovary
22. a) Endosperm
24. How many cells are present in a mature embryo sac? 23. c) Central cell
a) 4 b) 7 24. b) 7
c) 8 d) 9 25. b) Non-albuminous
26. b) Radicle
25. Which type of seed does NOT store endosperm? 27. c) Gibberellins
a) Albuminous b) Non-albuminous 28. c) Citrus
c) Parthenocarpic d) Polyembryonic 29. b) Endosperm
30. b) Citrus
26. The part of seed that develops into the root is:
a) Plumule b) Radicle
c) Endosperm d) Perisperm

27. Which hormone is responsible for breaking seed

dormancy?
Human
a) Abscisic acid b) Ethylene
c) Gibberellins d) Cytokinins Reproduction
28. An example of an apomictic plant is: 1-10: Male and Female Reproductive
a) Mango b) Wheat
c) Citrus d) Tomato
Systems

29. The edible part of coconut is:

The primary sex organ in human males is:
a) Pericarp b) Endosperm a) Prostate gland
c) Cotyledon d) Seed coat b) Penis
c) Testes
30. Which one is an example of polyembryony? d) Seminal vesicle
a) Apple b) Citrus
c) Banana d) Wheat The site of sperm production in testes is:
a) Vas deferens
b) Epididymis
Answers c) Seminiferous tubules
d) Rete testis
Sexual reproduction in flowering plants
The hormone responsible for the descent of testes
1. c) Androecium into the scrotum is:
2. b) Tapetum a) Progesterone
3. c) Sporopollenin b) Testosterone
4. d) Tapetum c) Estrogen
5. d) 4 d) FSH
6. b) Attract pollen tube
7. a) Style The part of sperm that contains enzymes for
8. a) Haploid penetration into the ovum is:
9. c) Wheat a) Middle piece
b) Acrosome a) 23
c) Nucleus b) 46
d) Tail c) 22
d) 44
The Sertoli cells present in seminiferous tubules:
a) Produce testosterone The hormone that peaks during ovulation is:
b) Provide nutrition to spermatocytes a) FSH
c) Transport sperm b) LH
d) Store sperm c) Estrogen
d) Progesterone
The female gonads are:
a) Fallopian tubes 11. The hormone responsible for the growth of
b) Uterus mammary glands is:
c) Ovaries a) LH
d) Cervix b) FSH
c) Estrogen
The hormone secreted by corpus luteum is: d) Testosterone
a) LH 12. The endometrial lining is shed during:
b) FSH a) Luteal phase
c) Estrogen b) Ovulation
d) Progesterone c) Menstruation
d) Follicular phase
The process of release of an ovum from the ovary is 13. The first menstruation in females is called:
called: a) Menopause
a) Fertilization b) Ovulation
b) Oogenesis c) Menarche
c) Ovulation d) Parturition
d) Menstruation 14. The corpus luteum secretes progesterone
under the influence of:
Fertilization in humans normally takes place in the: a) LH
a) Uterus b) FSH
b) Cervix c) Estrogen
c) Vagina d) Testosterone
d) Fallopian tube 15. During ovulation, the structure that ruptures
to release the ovum is:
Which of the following is NOT a part of the female a) Corpus luteum
external genitalia? b) Graafian follicle
a) Clitoris c) Endometrium
b) Labia minora d) Oocyte
c) Labia majora 16. The menstrual cycle is regulated by:
d) Cervix a) Pituitary and ovarian hormones
b) Thyroid hormones
c) Adrenal hormones
d) Pancreatic hormones
11-20: Gametogenesis and Menstrual Cycle 17. The structure that prevents polyspermy
during fertilization is:
The process of formation of spermatozoa from a) Zona pellucida
spermatogonia is called: b) Endometrium
a) Gametogenesis c) Chorion
b) Oogenesis d) Blastocyst
c) Spermatogenesis
d) Embryogenesis

The number of chromosomes in a secondary oocyte 21-30: Fertilization and Embryonic

is: Development
21. The hormone responsible for maintaining c) Ovary
pregnancy is: d) Endometrium
a) LH
b) FSH
c) Progesterone
d) Estrogen Answers
22. The layer of the blastocyst that attaches to the
uterine wall is:
1. c) Testes
a) Trophoblast
2. c) Seminiferous tubules
b) Inner cell mass
3. b) Testosterone
c) Morula
4. b) Acrosome
d) Zona pellucida
5. b) Provide nutrition to spermatocytes
23. The first cell division of the zygote is called:
6. c) Ovaries
a) Cleavage
7. d) Progesterone
b) Gastrulation
8. c) Ovulation
c) Implantation
9. d) Fallopian tube
d) Neurulation
10. d) Cervix
24. The developing embryo gets nutrients from
11. c) Spermatogenesis
the mother through:
12. a) 23
a) Placenta
13. b) LH
b) Amnion
14. c) Estrogen
c) Chorion
15. c) Menstruation
d) Endometrium
16. c) Menarche
25. The fluid-filled sac that protects the embryo
17. a) LH
is called:
18. b) Graafian follicle
a) Placenta
19. a) Pituitary and ovarian hormones
b) Amnion
20. a) Zona pellucida
c) Chorion
21. c) Progesterone
d) Yolk sac
22. a) Trophoblast
26. The embryonic disc forms:
23. a) Cleavage
a) Amniotic fluid
24. a) Placenta
b) Placenta
25. b) Amnion
c) All organs
26. c) All organs
d) Extra-embryonic membranes
27. c) Gastrulation
27. The three germ layers of an embryo are
28. c) Both arteries and veins
formed during:
29. a) Oxytocin
a) Fertilization
30. b) Placenta
b) Cleavage
c) Gastrulation
Reproductive Health
d) Implantation
28. The umbilical cord contains:
a) Only arteries 1-10: Introduction to Reproductive Health
b) Only veins
c) Both arteries and veins 1. Reproductive health mainly refers to:
d) No blood vessels a) Physical well-being
29. Which hormone is responsible for uterine b) Mental well-being
contractions during labor? c) Social well-being
a) Oxytocin d) All of the above
b) Prolactin 2. The national program for family planning in
c) Estrogen India was launched in:
d) FSH a) 1950
30. The structure that secretes hCG (human b) 1951
chorionic gonadotropin) is: c) 1965
a) Corpus luteum d) 1971
b) Placenta 3. Which of the following is NOT a method of
birth control?
 a) Condoms 12. The function of oral contraceptive pills is to:
b) IUDs a) Inhibit ovulation
c) Vasectomy b) Promote fertilization
d) Amniocentesis c) Prevent implantation
4. The technique used for sex determination of a d) Destroy sperm
fetus is: 13. Which hormone is present in birth control
a) IVF pills?
b) Ultrasound a) Oxytocin
c) Amniocentesis b) Progesterone
d) ART c) Testosterone
5. Which of the following is a temporary d) Thyroxine
method of contraception? 14. Which of the following methods provides
a) Vasectomy permanent sterilization in females?
b) Tubectomy a) Tubectomy
c) Oral pills b) Copper-T
d) None of the above c) Oral pills
6. Which of the following sexually transmitted d) Condom
infections is caused by a virus? 15. The ideal time for vasectomy in men is:
a) Gonorrhea a) Before puberty
b) Syphilis b) After first childbirth
c) Genital herpes c) After completing the desired family size
d) Trichomoniasis d) During old age
7. What is the full form of MTP? 16. An advantage of using condoms is:
a) Medical Termination of Pregnancy a) Preventing pregnancy
b) Maternal Treatment Process b) Protecting against STDs
c) Male Tubectomy Procedure c) Easy availability
d) Menstrual Treatment Program d) All of the above
8. Which of the following is an assisted 17. Which of the following is an irreversible
reproductive technology (ART)? method of contraception?
a) IUD a) IUD
b) Vasectomy b) Oral pills
c) IVF c) Vasectomy
d) MTP d) Diaphragm
9. The use of contraceptives helps in: 18. The action of IUDs is:
a) Birth control a) Prevent sperm entry
b) STD prevention b) Release hormones
c) Family planning c) Prevent implantation
d) All of the above d) All of the above
10. Which of the following is a non-barrier 19. A contraceptive method that involves
method of contraception? avoiding intercourse during ovulation is:
a) Condoms a) Coitus interruptus
b) Diaphragms b) Barrier method
c) Oral pills c) Rhythm method
d) Cervical caps d) IUD
20. Which is the most effective birth control
method?
a) IUD
11-20: Birth Control Methods and b) Sterilization
Contraception c) Condoms
d) Oral pills
11. Copper-T is an example of:
a) Barrier method
b) Hormonal contraceptive
c) Intrauterine device 21-30: Sexually Transmitted Diseases
d) Natural method (STDs)
21. Which of the following is NOT an STD?
a) AIDS
b) Syphilis Answers
c) Malaria
d) Gonorrhea
1. d) All of the above
22. Which organism causes syphilis?
2. b) 1951
a) Treponema pallidum
3. d) Amniocentesis
b) Neisseria gonorrhoeae
4. c) Amniocentesis
c) Plasmodium
5. c) Oral pills
d) HIV
6. c) Genital herpes
23. Which disease is caused by the HIV virus?
7. a) Medical Termination of Pregnancy
a) Tuberculosis
8. c) IVF
b) Gonorrhea
9. d) All of the above
c) AIDS
10. c) Oral pills
d) Malaria
11. c) Intrauterine device
24. What is the primary mode of HIV
12. a) Inhibit ovulation
transmission?
13. b) Progesterone
a) Air
14. a) Tubectomy
b) Contaminated needles
15. c) After completing the desired family size
c) Casual contact
16. d) All of the above
d) Mosquito bites
17. c) Vasectomy
25. Which STD causes genital warts?
18. d) All of the above
a) HIV
19. c) Rhythm method
b) HPV
20. b) Sterilization
c) Syphilis
21. c) Malaria
d) Gonorrhea
22. a) Treponema pallidum
26. The best way to prevent STDs is:
23. c) AIDS
a) Abstinence
24. b) Contaminated needles
b) Use of condoms
25. b) HPV
c) Vaccination
26. d) All of the above
d) All of the above
27. c) Gonorrhea
27. Which bacterial STD can be treated with
28. d) All of the above
antibiotics?
29. a) ELISA
a) HIV
30. c) Cervical cancer
b) Genital herpes
c) Gonorrhea
d) HPV
Principles of Inheritance and Variations
28. An STD that can be transmitted from mother
to child during birth is:
a) HIV 1-10: Basic Concepts of Inheritance
b) Gonorrhea
c) Syphilis 1. Who is known as the "Father of Genetics"?
d) All of the above a) Charles Darwin
29. Which test is used for diagnosing HIV? b) Gregor Mendel
a) ELISA c) Alfred Wallace
b) PCR d) Watson and Crick
c) MRI 2. Mendel conducted his hybridization
d) X-ray experiments on:
30. HPV infection is associated with which type a) Wheat
of cancer? b) Maize
a) Lung cancer c) Pea plant
b) Breast cancer d) Sunflower
c) Cervical cancer 3. The physical appearance of an organism is
d) Skin cancer known as its:
a) Genotype
b) Phenotype
 c) Allele 12. Which of the following disorders is sex-
d) Trait linked?
4. The alternative forms of a gene are called: a) Down syndrome
a) Loci b) Hemophilia
b) Chromosomes c) Sickle-cell anemia
c) Alleles d) Albinism
d) Phenotypes 13. A male inherits his X chromosome from:
5. The law of segregation states that: a) Father
a) Only dominant traits are inherited b) Mother
b) Alleles do not separate c) Both parents
c) Each gamete receives only one allele for d) Grandfather
each trait 14. Which genetic disorder is caused by an extra
d) Genes are linked chromosome 21?
6. A cross between a homozygous dominant and a) Turner syndrome
a homozygous recessive individual produces: b) Down syndrome
a) 100% recessive individuals c) Klinefelter syndrome
b) 100% heterozygous individuals d) Sickle cell anemia
c) 50% heterozygous and 50% homozygous 15. The failure of chromosomes to separate
d) 75% dominant and 25% recessive during meiosis is called:
7. The first generation obtained after crossing a) Mutation
pure lines is called: b) Non-disjunction
a) F1 generation c) Crossing over
b) F2 generation d) Linkage
c) P generation 16. Color blindness is more common in males
d) Hybrid generation because:
8. In a dihybrid cross, the phenotypic ratio in F2 a) Males have two X chromosomes
generation is: b) It is autosomal
a) 3:1 c) Males inherit only one X chromosome
b) 9:3:3:1 d) Males lack a Y chromosome
c) 1:2:1 17. The genotype of a colorblind female is:
d) 1:1 a) XCXc
9. The test cross is performed to determine the: b) XcXc
a) Genotype of an individual c) XCY
b) Phenotype of an individual d) XY
c) Chromosome number 18. Which of the following is an example of
d) Mutation rate multiple alleles?
10. Which of the following is an example of a) Human eye color
incomplete dominance? b) Blood group system
a) Red and white flowers producing pink c) Hemophilia
flowers d) Sickle cell anemia
b) Blood group inheritance 19. A human male with 47 chromosomes,
c) Hemophilia including XXY, has:
d) Eye color in Drosophila a) Down syndrome
b) Turner syndrome
c) Klinefelter syndrome
d) Edward syndrome
11-20: Chromosomal Basis of Inheritance 20. Which of the following statements is correct?
a) Males have two X chromosomes
11. Who proposed the chromosomal theory of b) Females inherit X-linked traits only from
inheritance? their father
a) Gregor Mendel c) Y chromosome determines maleness
b) Sutton and Boveri d) Sex determination in humans is controlled
c) Watson and Crick by environmental factors
d) Hugo de Vries
21-30: Linkage and Recombination b) Newton
c) Kilogram
21. Who discovered linkage in Drosophila? d) Hertz
a) Thomas Hunt Morgan
b) Gregor Mendel
c) Hugo de Vries
d) Watson and Crick Answers
22. When genes are located close together on the
same chromosome, they are said to be: 1. b) Gregor Mendel
a) Dominant 2. c) Pea plant
b) Recessive 3. b) Phenotype
c) Linked 4. c) Alleles
d) Mutated 5. c) Each gamete receives only one allele for
23. Which of the following does not follow each trait
independent assortment? 6. b) 100% heterozygous individuals
a) Linked genes 7. a) F1 generation
b) Non-linked genes 8. b) 9:3:3:1
c) Multiple alleles 9. a) Genotype of an individual
d) Codominant traits 10. a) Red and white flowers producing pink
24. Crossing over occurs during: flowers
a) Prophase I of meiosis 11. b) Sutton and Boveri
b) Metaphase II of mitosis 12. b) Hemophilia
c) Anaphase of meiosis 13. b) Mother
d) Telophase of mitosis 14. b) Down syndrome
25. In Morgan’s experiment, the percentage of 15. b) Non-disjunction
recombination was used to: 16. c) Males inherit only one X chromosome
a) Determine genetic disorders 17. b) XcXc
b) Map the distance between genes 18. b) Blood group system
c) Study Mendelian ratios 19. c) Klinefelter syndrome
d) Study mutations 20. c) Y chromosome determines maleness
26. The more tightly linked two genes are, the: 21. a) Thomas Hunt Morgan
a) More recombination occurs 22. c) Linked
b) Less recombination occurs 23. a) Linked genes
c) More mutations occur 24. a) Prophase I of meiosis
d) More independent assortment occurs 25. b) Map the distance between genes
27. The recombination frequency between two 26. b) Less recombination occurs
genes is expressed as: 27. a) Percentage
a) Percentage 28. d) All of the above
b) Ratio 29. c) Linked genes
c) Probability 30. a) Centimorgan
d) Molarity
28. Which of the following increases genetic
variation? Molecular Basis of Inheritance
a) Mutation
b) Crossing over
c) Independent assortment
d) All of the above
29. The genes located on the same chromosome
and inherited together are called:
a) Alleles
b) Homologous genes
c) Linked genes
d) Codominant genes
30. The unit of genetic map distance is:
a) Centimorgan