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Custom Practice Test - 17-Sep

Biology neet

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0% found this document useful (0 votes)
30 views6 pages

Custom Practice Test - 17-Sep

Biology neet

Uploaded by

aditi1541a
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Custom Practice Test - 17-Sep

Contact Number: 9667591930 / 8527521718

Biology-I-Section-A 5. Consider the given two statements:


In angiosperms, seed formation
1. Double fertilization is: Assertion (A): is a dependable process of
Fusion of two male gametes of a pollen tube sexual reproduction.
1.
with two different eggs In angiosperms, reproductive
Fusion of one male gamete with two polar processes such as pollination
2. Reason (R):
nuclei and fertilisation are
3. Fusion of two male gametes with one egg independent of water.
4. Syngamy and triple fusion
Both (A) and (R) are True and (R)
1.
correctly explains (A)
2. In angiosperms: Both (A) and (R) are True and (R) does not
2.
the seed is the final product of sexual correctly explain (A)
I: 3. (A) is True but (R) is False
reproduction.
the seed is often described as a fertilised 4. (A) is False but (R) is True
II:
ovule.
III: seeds are formed inside fruits.
6. Consider the two given statements:
Only I and II are Only I and III are Statement Gynoecium of Papaver is
1. 2. I: multicarpellary and apocarpous.
correct correct
Only II and III are I, II and III are Statement Gynoecium of Michelia is
3. 4. II: multicarpellary and syncarpous.
correct correct

Statement I is correct; Statement II is


1.
3. Parthenium or carrot grass, an invasive incorrect
species, came into India as a contaminant with Statement I is correct; Statement II is
2.
imported: correct
1. Rice 2. Wheat Statement I is incorrect; Statement II is
3.
3. Maize 4. Cotton incorrect
Statement I is incorrect; Statement II is
4.
correct
4. Coconut water from a tender coconut is?
1. Immature embryo
2. Free nuclear endosperm 7. During double fertilisation in angiosperms:
3. Innermost layers of the seed coat One of the male gametes moves towards the
4. Degenerated nucellus I: egg cell and fuses with its nucleus thus
completing the syngamy.
The other male gamete moves towards the
II: two polar nuclei located in the central cell
thus completing the triple fusion.
1. Only I is true
2. Only II is true
3. Both I and II are true
4. Both I and II are false

Page: 1
Custom Practice Test - 17-Sep
Contact Number: 9667591930 / 8527521718

8. Pollination by water: 11. Anthers in angiosperms:


is very common in flowering plants but is are typically located at the tip of the
1. I:
limited mostly to monocotyledons. filament of the stamen.
is quite rare in flowering plants and is are usually bilobed, each containing pollen
2. II:
limited mostly to dicotyledons. sacs called microsporangia.
is quite rare in flowering plants and is dehisce, or split open, to release mature
3. III:
limited mostly to monocotyledons. pollen.
is very common in flowering plants but is 1. Only I and II are correct
4.
limited mostly to dicotyledons. 2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
9. Three air-dried bean seeds are tied to a glass
slide with two [A and C in the fig.] at the two 12. Basically the animal pollinators visit the
ends and one [B] in the middle. This slide is flowers:
placed in a beaker with the middle seed half 1. for harvesting the reward(s) from the flower
immersed in water as shown in the fig. The for protective resemblance with the
water level is kept constant throughout the 2. surroundings
experiment. Which seed/s is/are expected to for accumulating toxins in their bodies to
germinate normally? 3.
avoid predation
for collecting micronutrients like essential
4. elements necessary for their reproductive
functions

13. The need for pollinators is not obligatory in:


1. chasmogamous flowers
2. cleistogamous flowers
1. Only A 2. Only B
3. geitonogamy
3. Only B and C 4. Only A and C 4. xenogamy

14. Function of filiform apparatus is to:


10. Tapetum: 1. Recognize the suitable pollen at the stigma
is the outermost layer in the wall of
1. 2. Stimulate division of generative cell
microsporangium
3. Producer nectar
2. helps in the protection of the pollen grains
4. Guide the entry of the pollen tube
3. helps in dehiscence of anther
has cells that generally have more than one
4.
nucleus
Biology-I-Section-B
15. The cultivation of flowers or flowering
plants, especially for ornamental purposes is
called as:
1. ornamental horticulture
2. floriculture
3. floristry
4. plant tissue culture

Page: 2
Custom Practice Test - 17-Sep
Contact Number: 9667591930 / 8527521718

16. In the given diagram showing the TS of a 18. Consider the given two statements:
typical angiosperm anther, which part Statement Monoecy prevents autogamy but
represents the layer with cells that may be I: not geitonogamy.
binucleate? Statement Dioecy prevents both autogamy
II: and geitonogamy.

1. Statement I is correct; Statement II is correct


Statement I is correct; Statement II is
2.
incorrect
Statement I is incorrect; Statement II is
3.
incorrect
Statement I is incorrect; Statement II is
4.
correct

19. Consider the given two statements:


Only the central cell in the
Assertion(A): embryo sac of angiosperms is
1. (i) 2. (ii) diploid.
3. (iii) 4. (iv) It is formed from an unreduced
Reason (R):
diploid mother cell.

17. What would be true for filiform apparatus? Both (A) and (R) are True and (R) correctly
1.
It is a part of synergids and guides the entry explains (A).
1.
of the pollen tube into the embryo sac. Both (A) and (R) are True but (R) does not
2.
It is a part of synergids and allows the correctly explain (A).
2. germination of only the right type of pollen 3. (A) is True; (R) is False
on the stigma. 4. Both (A) and (R) are False
It is a part of antipodals and guides the entry
3.
of the pollen tube into the embryo sac.
It is a part of antipodals and allows the 20. A syncarpus gynoecium has:
4. germination of only the right type of pollen 1. a single pistil
on the stigma. 2. no pistils
3. multiple free pistils
4. more than one fused pistils

Page: 3
Custom Practice Test - 17-Sep
Contact Number: 9667591930 / 8527521718

Biology-II-Section-A 24. The causative agent of the STI Genital warts


is:
21. Given below are two statements : one is 1. HIV retrovirus
labelled as Assertion (A) and the other is 2. Human papillomaviruses
labelled as Reason (R). 3. Neisseria gonorrhoeae
4. Chlamydia trachomatis
Pregnancy is characterised by
Assertion (A): metabolic changes in the 25. The layer of the uterine wall that undergoes
mother. cyclical changes during the menstrual cycle is
During pregnancy the level of the:
Reason (R): thyroxine is increased in the 1. Endometrium 2. Myometrium
maternal blood. 3. Perimetrium 4. Fundus

In the light of the above statements, choose the


most appropriate answer from the options 26. Consider the given two statements:
given below: The spermatids are transformed
into spermatozoa (sperms) by
Statement I:
Both (A) and (R) are correct and (R) is the the process called
1. spermiogenesis.
correct explanation of (A).
Both (A) and (R) are correct but (R) is not After spermiogenesis, sperm
2. heads become embedded in the
the correct explanation of (A).
3. (A) is correct but (R) is not correct. Sertoli cells, and are finally
Statement II:
released into the seminiferous
4. (A) is not correct but (R) is correct.
tubules by the process called
spermiation.
1. Statement I is correct; Statement II is
22. An infertile couple has been suggested
correct
Artificial Insemination into the uterus [IUI].
2. Statement I is incorrect; Statement II is
This should be done:
correct
just after the completion of the menstrual
1. 3. Statement I is correct; Statement II is
flow
incorrect
2. near the time of ovulation 4. Statement I is incorrect; Statement II is
3. in the middle of the follicular phase incorrect
after corpus luteum starts the synthesis of
4.
progesterone 27. Consider the given two statements:
During pregnancy all events of the
Statement
menstrual cycle stop and there is no
I:
23. During the follicular phase of the menstrual menstruation.
cycle, which of the following occur? Cyclic menstruation is an indicator
The primary follicle grows and becomes a Statement of normal reproductive phase and
I:
fully mature Graafian follicle. II: extends between menarche and
The endometrium of the uterus regenerates menopause.
II:
through proliferation.
1. Statement I is correct; Statement II is correct
1. Only I 2. Only II Statement I is incorrect; Statement II is
2.
3. I and II 4. None correct
Statement I is correct; Statement II is
3.
incorrect
Statement I is incorrect; Statement II is
4.
incorrect

Page: 4
Custom Practice Test - 17-Sep
Contact Number: 9667591930 / 8527521718

28. Meiotic division of the secondary oocyte is 33. Copper releasing IUDs:
completed: are not effective as emergency
1. At the time of copulation I:
contraceptives
2. After zygote formation II: damage sperms and disrupt their motility
3. At the time of fusion of a sperm with an 1. Both I and II are correct
ovum 2. Only I is correct
4. Prior to ovulation 3. Only II is correct
4. Both I and II are incorrect
29. Implantation is the event that leads to the
establishment of pregnancy. What structure 34. What is transferred into the fallopian tube
gets implanted on the endometrium? in ZIFT?
1. Morula 2. Blastocyst 1. Zygote only
3. Gastrula 4. Teratoma 2. Embryos with more than 8 blastomeres
3. Zygote or embryos with up to 8 blastomeres
30. Consider the given two statements: All of the above can be transferred during
4.
ZIFT
Oral Pills have to be taken daily for
Assertion a period of 21 days starting
(A): preferably within the first five days
of menstrual cycle.
After a gap of 7 days (during which
Biology-II-Section-B
35. A positive-feedback between which of the
menstruation occurs) it has to be
Reason two given hormones leads to the rupture of
repeated in the same pattern till the
(R): Graafian Follicle?
female desires to prevent
1. LH, estrogen
conception.
2. FSH, estrogen
3. LH, progesterone
1. (A) is False but (R) is True 4. FSH, progesterone
Both (A) and (R) are True and (R) explains
2.
(A). 36. The primary follicles in the ovary grow to
Both (A) and (R) are True but (R) does not become a fully mature Graafian follicle and
3.
correctly explain (A). simultaneously the endometrium of the uterus
4. (A) is True but (R) is False regenerates through proliferation during the:
1. menstrual phase of the menstrual cycle
2. follicular phase of the menstrual cycle
31. Lippe's loop is a type of contraceptive used 3. ovulatory phase of the menstrual cycle
as: 4. luteal phase of the menstrual cycle
1. Copper releasing IUD
2. Cervical barrier
3. Vault barrier
4. Non-Medicated IUD

32. Statutory marriageable age in India:


1. is 18 years for both males and females.
2. is 21 years for both males and females.
is 18 years for females and 21 years for
3.
males.
is 18 years for males and 21 years for
4.
females.

Page: 5
Custom Practice Test - 17-Sep
Contact Number: 9667591930 / 8527521718

37. In test tube baby programme:


ova from the wife/donor (female) and Fill OMR Sheet*
sperms from the husband/donor (male) are
I: collected and are induced to form zygote *If above link doesn't work, please go to test link
under simulated conditions in the from where you got the pdf and fill OMR from
laboratory. there
the zygote or early embryos (with upto 8
II: blastomeres) could then be transferred into
the fallopian tube.
Embryos with more than 8 blastomeres,
III: can be transferred into the uterus to
complete its further development. CLICK HERE to get
1. Only I and II are correct
2. Only I and III are correct FREE ACCESS for 2
3. Only II and III are correct
4. I, II and III are correct
days of ANY
38. The incidences of sexually transmitted
NEETprep course
infections are reported to be very high among
persons in the age group of:
1. 15-24 years
2. 26 – 35 years
3. 35-50 years
4. above 60 years

39. The ‘family planning’ programs in India


were initiated in:
1. 1951
2. 1957
3. 1961
4. 1971

40. Consider the given two statements:


The inadequacy of the secretion of
Assertion
oxytocin may interfere with the
(A):
process of parturition.
Oxytocin is a peptide hormone
Reason
synthesised and secreted by
(R):
pituitary gland.

Both (A) and (R) are True and (R) explains


1.
(A).
Both (A) and (R) are True but (R) does not
2.
explain (A).
3. (A) is True but (R) is False
4. (A) is False but (R) is True

Page: 6

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