Reproduction

Sperm motility is due to ______.

NEET 2026

1flagellar movement

2ciliary movement

3amoeboid movement

4muscular movement

NTA Answer: Option 1(final)

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Lesson: Amniocentesis Art

NEET 2026

The method of directly of injecting a sperm into ovum in assisted reproductive technology is called :

1Gamete intra fallopian transfer (GIFT)

2Zygote intra fallopian transfer (ZIFT)

3Intra cytoplasmic sperm injection (ICSI)

4Embryo transfer (ET)

NTA Answer: Option 3(final)

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Which of the following structure is not a part of the male reproductive system ?

NEET 2026

1Rete testis

2Epididymis

3Vasa efferentia

4Infundibulum

NTA Answer: Option 4(final)

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Lesson: Menstrual Cycle

NEET 2026

Given below are two statements : Statement I : Ovulation is caused by LH surge leading to rupture of Graafian follicles. Statement II : Graafian follicle remaining after ovulation transform into corpus luteum and secretes large amount of estrogen. In the light of the above statements, choose the most appropriate answer from the options given below :

1Both Statement I and Statement II are correct

2Both Statement I and Statement II are incorrect

3Statement I is correct but Statement II is incorrect

4Statement I is incorrect but Statement II is correct

NTA Answer: Option 3(final)

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How many theca are present in each lobe of a typical bilobed angiosperm anther ?

NEET 2026

412

NTA Answer: Option 1(final)

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Which of the following in female gametophyte of an angiosperm helps in guiding the pollen tube for fertilizing the eggs ?

NEET 2026

1Antipodals

2Synergids

3Central cells

4Polar nucleus

NTA Answer: Option 2(final)

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Which of the following plant produces non-albuminous seeds ?

NEET 2026

1Wheat

2Maize

3Barley

4Pea

NTA Answer: Option 4(final)

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If the diploid chromosome number of typical angiosperm is 36, what would be the chromosome number in its endosperm ?

NEET 2026

118

236

354

472

NTA Answer: Option 3(final)

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Which of the following hormone is not secreted by human placenta ?

NEET 2026

1hCG

2Estrogen

3Progesterone

4LH

NTA Answer: Option 4(final)

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Colostrum, secreted by mother during initial days of lactation, is abundant in ______.

NEET 2026

1IgG

2IgM

3IgA

4IgD

NTA Answer: Option 3(final)

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The covering of ovum at ovulation is ______.

NEET 2026

1endometrium

2zona radiata

3zona pellucida

4chorion

NTA Answer: Option 3(final)

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Lesson: Menstrual Cycle

NEET 2025

The first menstruation is called :

1Ovulation

2Menopause

3Menarche

4Diapause

NTA Answer: Option 3(final)

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How many meiotic and mitotic divisions need to occur for the development of a mature female gametophyte from the megaspore mother cell in an angiosperm plant?

NEET 2025

1No Meiosis and 2 Mitosis

22 Meiosis and 3 Mitosis

31 Meiosis and 2 Mitosis

41 Meiosis and 3 Mitosis

NTA Answer: Option 4(final)

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Consider the following : A. The reductive division for the human female gametogenesis starts earlier than that of the male gametogenesis. B. The gap between the first meiotic division and the second meiotic division is much shorter for males compared to females. C. The first polar body is associated with the formation of the primary oocyte. D. Luteinizing Hormone (LH) surge leads to disintegration of the endometrium and onset of menstrual bleeding. Choose the correct answer from the options given below:

NEET 2025

1B and C are true

2A and B are true

3A and C are true

4B and D are true

NTA Answer: Option 2(final)

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Given below are two statements : One is labelled as Assertion (A) and other is labelled as Reason (R). Assertion (A) : Cells of the tapetum possess dense cytoplasm and generally have more than one nucleus. Reason (R) : Presence of more than one nucleus in the tapetum increases the efficiency of nourishing the developing microspore mother cells. In light of the above statements, choose the most appropriate answer from the options given below:

NEET 2025

1A is false but R is true

2Both A and R are true and R is the correct explanation of A

3Both A and R are true but R is NOT the correct explanation of A

4A is true but R is false

NTA Answer: Option 2(final)

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Match List-I with List-II. List-I List-II A. Progesterone I. Pars intermedia B. Relaxin II. Ovary C. Melanocyte stimulating hormone III. Adrenal Medulla D. Catecholamines IV. Corpus luteum Choose the correct answer from the options given below :

NEET 2025

1A-III, B-II, C-IV, D-I

2A-IV, B-II, C-I, D-III

3A-IV, B-II, C-III, D-I

4A-II, B-IV, C-I, D-III

NTA Answer: Option 2(final)

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Match List I with List II : List I List II A. Scutellum I. Persistent nucellus B. Non-albuminous seed II. Cotyledon of Monocot seed C. Epiblast III. Groundnut D. Perisperm IV. Rudimentary cotyledon Choose the option with all correct matches.

NEET 2025

1A-II, B- IV, C-III, D-I

2A-II, B- III, C-IV, D-I

3A-IV, B- III, C-II, D-I

4A-IV, B- III, C-I, D-II

NTA Answer: Option 2(final)

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Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : A typical unfertilised, angiosperm embryo sac at maturity is 8 nucleate and 7-celled. Reason (R) : The egg apparatus has 2 polar nuclei. In the light of the above statements, choose the correct answer from the options given below :

NEET 2025

1A is false but R is true

2Both A and R are true and R is the correct explanation of A

3Both A and R are true but R is NOT the correct explanation of A

4A is true but R is false

NTA Answer: Option 4(final)

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Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Both wind and water pollinated flowers are not very colourful and do not produce nectar. Reason (R) : The flowers produce enormous amount of pollen grains in wind and water pollinated flowers. In the light of the above statements, choose the correct answer from the options given below:

NEET 2025

1A is false but R is true

2Both A and R are true and R is the correct explanation of A

3Both A and R are true but R is NOT the correct explanation of A

4A is true but R is false

NTA Answer: Option 3(final)

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Match List - I with List - II. List - I List - II A. Head (I) Enzymes B. Middle piece (II) Sperm motility C. Acrosome (III) Energy D. Tail (IV) Genetic material Choose the correct answer from the options given below :

NEET 2025

1A-III, B-II, C-I, D-IV

2A-IV, B-III, C-I, D-II

3A-IV, B-III, C-II, D-I

4A-III, B-IV, C-II, D-I

NTA Answer: Option 2(final)

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Find the correct statement : (A) In human pregnancy, the major organ systems are formed at the end of 12 weeks. (B) In human pregnancy the major organ systems are formed at the end of 8 weeks. (C) In human pregnancy heart is formed after one month of gestation. (D) In human pregnancy, limbs and digits develop by the end of second month. (E) In human pregnancy the appearance of hair is usually observed in the fifth month. Choose the correct answer from the options given below :

NEET 2025

1A, C, D and E only

2A and E only

3B and C only

4B, C, D and E only

NTA Answer: Option 1(final)

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In the seeds of cereals, the outer covering of endosperm separates the embryo by a protein-rich layer called :

NEET 2025

1Aleurone layer

2Coleoptile

3Coleorhiza

4Integument

NTA Answer: Option 1(final)

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Lesson: Amniocentesis Art

NEET 2025

What are the potential drawbacks in adoption of the IVF method? A. High fatality risk to mother B. Expensive instruments and reagents C. Husband/wife necessary for being donors D. Less adoption of orphans E. Not available in India F. Possibility that the early embryo does not survive Choose the correct answer from the options given below:

1A, B, C, E, F only

2B, D, F only

3A, C, D, F only

4A, B, C, D only

NTA Answer: Option 2(final)

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Identify the set of correct statement: A. The flowers of Vallisneria are colourful and produce nectar. B. The flowers of waterlily are not pollinated by water. C. In most of water-pollinated species, the pollen grains are protected from wetting. D. Pollen grains of some hydrophytes are long and ribbon like. E. In some hydrophytes, the pollen grains are carried passively inside water. Choose the correct answer from the options given below.

NEET 2024Revised key

1C, D and E only

2A, B, C and D only

3A, C, D and E only

4B, C, D and E only

NTA Answer: Option 4(revised_final)

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Which of the following is not a component of Fallopian tube?

NEET 2024Revised key

1Uterine fundus

2Isthmus

3Infundibulum

4Ampulla

NTA Answer: Option 1(revised_final)

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Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R : Assertion A : FSH acts upon ovarian follicles in female and Leydig cells in male. Reason R : Growing ovarian follicles secrete estrogen in female while interstitial cells secrete androgen in male human being. In the light of the above statements, choose the correct answer from the options given below :

NEET 2024Revised key

1Both A and R are true and R is the correct explanation of A

2Both A and R are true but R is NOT the correct explanation of A

3A is true but R is false

4A is false but R is true

NTA Answer: Option 4(revised_final)

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Which of the following is not a natural/traditional contraceptive method?

NEET 2024Revised key

1Coitus interruptus

2Periodic abstinence

3Lactational amenorrhea

4Vaults

NTA Answer: Option 4(revised_final)

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Match List I with List II List I List -II A. Non-medicated IUD I. Multiload 375 B. Copper releasing IUD II. Progestogens C. Hormone releasing IUD III. Lipper loop D. Implants IV. LNG-20 Choose the correct answer from the option given below:

NEET 2024Revised key

1A-III, B-I, C-II, D-IV

2A-I, B-III, C-IV, D-II

3A-IV, B-I, C-II, D-III

4A-III, B-I, C-IV, D-II

NTA Answer: Option 4(revised_final)

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Given below are two statements: Statement I: The presence or absence of hymen is not a reliable indicator of virginity. Statement II: The hymen is torn during the first coitus only. In the light of the above above statements, choose the correct answer from the options given below :

NEET 2024Revised key

1Both Statement I and Statement II are true

2Both Statement I and Statement II are false

3Statement I is true but Statement II is false

4Statement I is false but Statement II is true

NTA Answer: Option 3(revised_final)

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Identify the correct option (A), (B), (C), (D) with respect to spermatogenesis.

NEET 2024Revised key

1FSH, Leydig cells, Sertoli cells, Spermiogenesis.

2ICSH, Interstitial cells, Leydig cells, spermiogenesis.

3FSH, Sertoli cells, Leydig cells, spermatogenesis.

4ICSH, Leydig cells, Sertoli cells, spermatogenesis.

NTA Answer: Option 1(revised_final)

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Large, colourful, fragrant flowers with nectar are seen in

NEET 2023

1Bird pollinated plants

2Bat pollinated plants

3Wind pollinated plants

4Insect pollinated plants

NTA Answer: Option 4(final)

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What is the function of tassels in the corn cob?

NEET 2023

1To trap pollen grains

2To disperse pollen grains

3To protect seeds

4To attract insects

NTA Answer: Option 1(final)

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In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are :

NEET 2023

1Antipodals, synergids, and primary endosperm nucleus

2Synergids, Zygote and Primary endosperm nucleus

3Synergids, antipodals and Polar nuclei

4Synergids, Primary endosperm nucleus and zygote

NTA Answer: Option 2(final)

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Match List I with List II. List I List II A. Vasectomy I. Oral method B. Coitus interruptus II. Barrier method C. Cervical caps III. Surgical method D. Saheli IV. Natural method Choose the correct answer from the options given below:

NEET 2023

1A-III, B-IV, C-II, D-I

2A-II, B-III, C-I, D-IV

3A-IV, B-II, C-I, D-III

4A-III, B-I, C-IV, D-II

NTA Answer: Option 1(final)

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Lesson: Reproductive Health STDs

NEET 2023

Which one of the following common sexually transmitted diseases is completely curable when detected early and treated properly?

1Gonorrhoea

2Hepatitis-B

3HIV Infection

4Genital herpes

NTA Answer: Option 1(final)

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Given below are two statements: Statement I: Vas deferens receives a duct from seminal vesicle and opens into urethra as the ejaculatory duct. Statement Il: The cavity of the cervix is called cervical canal which along with vagina forms birth canal. In the light of the above statements, choose the correct answer from the options given below:

NEET 2023

1Both Statement I and Statement II are false.

2Statement I is correct but Statement II is false.

3Statement I is incorrect but Statement II is true.

4Both Statement I and Statement II are true.

NTA Answer: Option 4(final)

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Lesson: Amniocentesis Art

NEET 2023

Given below are two statements: one is labelled as Assertion A and other is labelled as Reason R. Assertion A : Amniocentesis for sex determination is one of the strategies of Reproductive and Child Health Care Programme. Reason R : Ban on amniocentesis checks increasing menace of female foeticide. In the light of the above statements, choose the correct answer from the options given below.

1Both A and R are true and R is NOT the correct explanation of A.

2A is true but R is false.

3A is false but R is true.

4Both A and R are true and R is the correct explanation of A.

NTA Answer: Option 3(final)

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Lesson: Menstrual Cycle

NEET 2023

Which of the following statements are correct regarding female reproductive cycle? A. In non-primate mammals cyclical changes during reproduction are called oestrus cycle. B. First menstrual cycle begins at puberty and is called menopause. C. Lack of menstruation may be indicative of pregnancy. D. Cyclic menstruation extends between menarche and menopause. Choose the most appropriate answer from the options given below.

1A and B only

2A, B and C only

3A, C and D only

4A and D only

NTA Answer: Option 3(final)

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Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Endometrium is necessary for implantation of blastocyst. Reason R: In the absence of fertilization, the corpus luteum degenerates that causes disintegration of endometrium. In the light of the above statements, choose the correct answer from the options given below:

NEET 2023

1Both A and R are true but R is NOT the correct explanation of A.

2A is true but R is false.

3A is false but R is true.

4Both A and R are true and R is the correct explanation of A.

NTA Answer: Option 1(final)

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Identify the incorrect statement related to Pollination :

NEET 2022

1Moths and butterflies are the most dominant pollinating agents among insects

2Pollination by water is quite rare in flowering plants

3Pollination by wind is more common amongst abiotic pollination

4Flowers produce foul odours to attract flies and beetles to get pollinated

NTA Answer: Option 1(final)

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Given below are two statements : Statement I : Cleistogamous flowers are invariably autogamous Statement II : Cleistogamy is disadvantageous as there is no chance for cross pollination In the light of the above statements, choose the correct answer from the options given below :

NEET 2022

1Statement I is incorrect but Statement II is correct

2Both Statement I and Statement II are correct

3Both Statement I and Statement II are incorrect

4Statement I is correct but Statement II is incorrect

NTA Answer: Option 2(final)

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Lippe’s loop is a type of contraceptive used as:

NEET 2022

1Copper releasing IUD

2Cervical barrier

3Vault barrier

4Non-Medicated IUD

NTA Answer: Option 4(final)

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At which stage of life the oogenesis process is initiated?

NEET 2022

1Adult

2Puberty

3Embryonic development stage

4Birth

NTA Answer: Option 3(final)

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Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis? (a) It results in the formation of haploid gametes (b) Differentiation of gamete occurs after the completion of meiosis (c) Meiosis occurs continuously in a mitotically dividing stem cell population (d) It is controlled by the Luteinising hormone (LH) and Follicle Stimulating Hormone (FSH) secreted by the anterior pituitary (e) It is initiated at puberty Choose the most appropriate answer from the options given below:

NEET 2022

1(b), (c) and (e) only

2(c) and (e) only

3(b) and (c) only

4(b), (d) and (e) only

NTA Answer: Option 1(final)

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Given below are two statements: Statement I : The release of sperms into the seminiferous tubules is called spermiation. Statement II : Spermiogenesis is the process of formation of sperms from spermatogonia. In the light of the above statements, choose the most appropriate answer from the options given below :

NEET 2022

1Statement I is incorrect but Statement II is correct

2Both Statement I and Statement II are correct

3Both Statement I and Statement II are incorrect

4Statement I is correct but Statement II is incorrect

NTA Answer: Option 4(final)

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Match List-I with List-II with respect to methods of Contraception and their respective actions. List-I List-II (a) Diaphragms (i) Inhibit ovulation and Implantation (b) Contraceptive Pills (ii) Increase phagocytosis of sperm within Uterus (c) Intra Uterine Devices (iii) Absence of Menstrual cycle and ovulation following parturition (d) Lactational Amenorrhea (iv) They cover the cervix blocking the entry of sperms Choose the correct answer from the options given below:

NEET 2022

1(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

2(a) - (iv), (b) - (i), (c) - (iii), (d) - (ii)

3(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)

4(a) - (ii), (b) - (iv), (c) - (i), (d) - (iii)

NTA Answer: Option 3(final)

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The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically different types of pollen grains to stigma, is :

NEET 2021

1Cleistogamy

2Xenogamy

3Geitonogamy

4Chasmogamy

NTA Answer: Option 2(final)

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Match List-I with List-II. Choose the correct answer from the options given below. (a) (b) (c) (d)

NEET 2021

1(ii) (iii) (iv) (i)

2(iv) (iii) (ii) (i)

3(i) (iv) (iii) (ii)

4(iii) (iv) (i) (ii)

NTA Answer: Option 4(final)

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In some members of which of the following pairs of families, pollen grains retain their viability for months after release?

NEET 2021

1Rosaceae ; Leguminosae

2Poaceae ; Rosaceae

3Poaceae ; Leguminosae

4Poaceae ; Solanaceae

NTA Answer: Option 1(final)

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Receptors for sperm binding in mammals are present on :

NEET 2021

1Zona pellucida

2Corona radiata

3Vitelline membrane

4Perivitelline space

NTA Answer: Option 1(final)

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Match List-I with List-II. List-I List-II (a) (b) (c) (d) (i) (ii) (iii) (iv) Vaults IUDs Vasectomy Tubectomy Entry of sperm through Cervix is blocked Removal of Vas deferens Phagocytosis of sperms within the Uterus Removal of fallopian tube Choose the correct answer from the option given below (a) (b) (c) (d)

NEET 2021

1(iii) (i) (iv) (ii)

2(iv) (ii) (i) (iiii)

3(i) (iii) (ii) (iv)

4(ii) (iv) (iii) (i)

NTA Answer: Option 3(final)

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Which one of the following is an example of Hormone releasing IUD?

NEET 2021

1Multiload 375

2CuT

3LNG 20

4Cu 7

NTA Answer: Option 3(final)

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Lesson: Amniocentesis Art

NEET 2021

Which of the following is not a step in Multiple Ovulation Embryo Transfer Technology (MOET)?

1Fertilized eggs are transferred to surrogate mothers at 8-32 cell stage

2Cow is administered hormone having LH like activity for super ovulation

3Cow yields about 6-8 eggs at a time

4Cow is fertilized by artifical insemination

NTA Answer: Option 2(final)

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Which of the following secrets the hormone, relaxin, during the later phase of pregnancy?

NEET 2021

1Uterus

2Graafian follicle

3Corpus luteum

4Foetus

NTA Answer: Option 3(final)

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The plant parts which consist of two generations - one within the other : (a) Pollen grains inside the anther (b) Germinated pollen grain with two male gametes (c) Seed inside the fruit (d) Embryo sac inside the ovule

NEET 2020

1(a) and (d)

2(a) only

3(a), (b) and (c)

4(c) and (d)

NTA Answer: Option 1(final)

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Lesson: Reproductive Health STDs

NEET 2020

Select the option including all sexually transmitted diseases.

1Cancer, AIDS, Syphilis

2Gonorrhoea, Syphilis, Genital herpes

3Gonorrhoea, Malaria, Genital herpes

4AIDS, Malaria, Filaria

NTA Answer: Option 2(final)

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