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NEET Reproduction MCQs with answers

395 questions on Reproduction for NEET 2027, 2 of them from previous NEET papers. Below are 15 to try; tap a question to see its answer and explanation.

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15 sample questions

mediumNEET 2021

1. Acrosome in sperm derived from:

  1. Mitochondria
  2. Golgi apparatus
  3. Endoplasmic reticulum
  4. Nucleus
Show answer and explanation

Answer: (B) Golgi apparatus

Acrosome=Golgi body. Contains hyaluronidase for egg penetration.

Quick tip: Acrosome=Golgi. Middle piece=mitochondria (energy). Tail=flagellum.

NCERT Class 12, Chapter 3, page 52

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2. Double fertilization is a characteristic of:

  1. Gymnosperms
  2. Angiosperms
  3. Bryophytes
  4. Algae
Show answer and explanation

Answer: (B) Angiosperms

Double fertilization: unique to angiosperms. One sperm+egg=zygote. Other sperm+2 polar nuclei=endosperm (3n).

Quick tip: Double fertilization=ONLY angiosperms. Siphonogamy=gymnosperms. Zygote+endosperm formed.

NCERT Class 12, Chapter 2, page 28

easy

3. According to the WHO, reproductive health means:

  1. Total well-being in all aspects of reproduction - physical, emotional, behavioural and social
  2. Only the absence of reproductive diseases
  3. Only the ability to have children
  4. Only the use of contraceptives
Show answer and explanation

Answer: (A) Total well-being in all aspects of reproduction - physical, emotional, behavioural and social

The WHO defines reproductive health as total well-being in all aspects of reproduction: physical, emotional, behavioural and social. A reproductively healthy society has physically and functionally normal reproductive organs.

NCERT Class 12

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4. Seminal plasma is rich in:

  1. Lactose and amylase
  2. Glycogen and urea
  3. Glucose, sodium and lipase
  4. Fructose, calcium and certain enzymes
Show answer and explanation

Answer: (D) Fructose, calcium and certain enzymes

Secretions of the seminal vesicles, prostate and bulbourethral glands form seminal plasma, rich in fructose, calcium and certain enzymes. Bulbourethral secretions also help in lubrication.

NCERT Class 12

hard

5. GIFT (gamete intra-fallopian transfer) is used for a female who:

  1. Has blocked fallopian tubes
  2. Produces ova but has no uterus
  3. Cannot produce oestrogen
  4. Cannot produce ova but can provide a suitable environment for fertilisation and development
Show answer and explanation

Answer: (D) Cannot produce ova but can provide a suitable environment for fertilisation and development

GIFT transfers an ovum collected from a donor into the fallopian tube of another female who cannot produce ova but can provide a suitable environment for fertilisation and further development.

NCERT Class 12

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6. Which of the following sexually transmitted infections is NOT completely curable?

  1. Gonorrhoea
  2. Genital herpes
  3. Syphilis
  4. Trichomoniasis
Show answer and explanation

Answer: (B) Genital herpes

Except hepatitis-B, genital herpes and HIV infections, other STIs are completely curable if detected early and treated properly.

easy

7. Select the correct sequence of embryonic development stages in dicots:

  1. Zygote → Heart-shaped embryo → Globular embryo → Proembryo → Mature embryo
  2. Zygote → Globular embryo → Proembryo → Heart-shaped embryo → Mature embryo
  3. Zygote → Proembryo → Heart-shaped embryo → Globular embryo → Mature embryo
  4. Zygote → Proembryo → Globular embryo → Heart-shaped embryo → Mature embryo
Show answer and explanation

Answer: (D) Zygote → Proembryo → Globular embryo → Heart-shaped embryo → Mature embryo

The zygote divides to form the early proembryo. Subsequent divisions yield a globular stage, followed by a heart-shaped stage, and finally a mature torpedo-shaped embryo with cotyledons.

hard

8. Which of the following hormones is produced in women only during pregnancy?

  1. LH
  2. FSH
  3. Oxytocin
  4. Human chorionic gonadotropin (hCG)
Show answer and explanation

Answer: (D) Human chorionic gonadotropin (hCG)

The placenta produces hCG, human placental lactogen (hPL), oestrogens and progestogens; hCG and hPL are produced only during pregnancy.

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9. Oral contraceptive pills are taken daily for:

  1. 21 days, starting preferably within the first five days of the cycle, followed by a 7-day gap
  2. 7 days only
  3. 28 days without a break
  4. Only on the day of coitus
Show answer and explanation

Answer: (A) 21 days, starting preferably within the first five days of the cycle, followed by a 7-day gap

Pills are taken daily for 21 days, starting preferably within the first five days of the menstrual cycle. After a 7-day gap (when menstruation occurs) the pattern is repeated.

NCERT Class 12

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10. Match List-I with List-II with respect to types of outbreeding devices and their examples or descriptions: List-I A. Dichogamy (Protandry/Protogyny) B. Herkogamy C. Self-incompatibility D. Dicliny List-II I. Physical barrier or morphological separation between anther and stigma II. Genetic mechanism inhibiting pollen germination on the stigma of the same flower III. Temporal separation in the maturation of pollen and stigma receptivity IV. Presence of unisexual flowers Choose the correct option:

  1. A-II, B-I, C-III, D-IV
  2. A-III, B-I, C-II, D-IV
  3. A-III, B-IV, C-II, D-I
  4. A-I, B-III, C-IV, D-II
Show answer and explanation

Answer: (B) A-III, B-I, C-II, D-IV

Dichogamy refers to maturation of male and female organs at different times (temporal separation). Herkogamy involves physical/spatial barriers between anther and stigma. Self-incompatibility is a genetic mechanism. Dicliny refers to the production of unisexual flowers.

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11. The surgical method of contraception in which a small part of the vas deferens is removed or tied up through a small incision on the scrotum is:

  1. Vasectomy
  2. Tubectomy
  3. Castration
  4. Circumcision
Show answer and explanation

Answer: (A) Vasectomy

Vasectomy is the male sterilisation procedure; tubectomy removes or ties a small part of the fallopian tube in females.

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12. The stalk by which the ovule is attached to the placenta is called the:

  1. Funicle
  2. Hilum
  3. Chalaza
  4. Micropyle
Show answer and explanation

Answer: (A) Funicle

The ovule is attached to the placenta by the funicle; the region where the body of the ovule fuses with the funicle is the hilum.

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13. Which of the following inbreeding devices or mechanisms prevents autogamy but not geitonogamy?

  1. Cleistogamous flowers
  2. Dioecy as in papaya
  3. Self-incompatibility in hermaphrodite flowers
  4. Monoecy as in castor and maize
Show answer and explanation

Answer: (D) Monoecy as in castor and maize

In monoecious plants like castor and maize, male and female flowers are borne on the same plant. This prevents autogamy (since flowers are unisexual) but allows geitonogamy (transfer between different flowers on the same plant).

hard

14. The correct path of milk from the alveoli to the outside is:

  1. Alveoli → lactiferous duct → mammary ampulla → mammary tubules
  2. Alveoli → mammary tubules → mammary duct → mammary ampulla → lactiferous duct
  3. Mammary ampulla → alveoli → mammary duct → lactiferous duct
  4. Alveoli → mammary duct → mammary tubules → lactiferous duct
Show answer and explanation

Answer: (B) Alveoli → mammary tubules → mammary duct → mammary ampulla → lactiferous duct

Milk from alveoli enters mammary tubules, then mammary ducts, which join to form a wider mammary ampulla connected to the lactiferous duct.

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15. In a dicot embryo, the portion of the embryonal axis below the level of the cotyledons, which terminates in the radicle, is the:

  1. Plumule
  2. Epicotyl
  3. Hypocotyl
  4. Coleoptile
Show answer and explanation

Answer: (C) Hypocotyl

Below the cotyledons is the hypocotyl ending in the radicle (root tip); above them is the epicotyl ending in the plumule (stem tip).

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