Reproduction
Asexual and sexual reproduction, human reproduction, embryology
Key Concepts
- Human male: spermatogenesis in seminiferous tubules; FSH and LH regulate
- Human female: oogenesis; menstrual cycle ~28 days; ovulation at day ~14
- Fertilisation: in the fallopian tube; zygote implants in uterine wall
- Double fertilisation in angiosperms: one sperm fertilises egg (zygote), other fertilises polar nuclei (endosperm)
- Reproductive health: STIs, contraception, infertility, ART (IVF, ZIFT, GIFT)
Important Formulae
| Gestation period | ~280 days (40 weeks) in humans |
| Embryo development | Zygote → morula → blastocyst → gastrula → embryo |
Quick Tips
- FSH stimulates follicle growth; LH surge triggers ovulation; HCG is the pregnancy hormone detected in pregnancy tests.
- In plants: pollination ≠ fertilisation; pollen tube carries male gametes to ovule.
- Apomixis: seed formation without fertilisation (e.g., some grasses).
Sample Practice Questions
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The male gametes in flowering plants are contained in:
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Answer: Pollen grains
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Double fertilisation in angiosperms produces:
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Answer: Zygote (2n) and primary endosperm nucleus (3n)
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Parthenogenesis is development of an embryo from:
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Answer: Unfertilised egg
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In humans, the site of fertilisation is normally the:
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Answer: Fallopian tube (oviduct)
Practice Questions
Practice 20 randomly selected NEET questions on Reproduction. Answers are revealed after each question.
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What are the key concepts in Reproduction for NEET?
Human male: spermatogenesis in seminiferous tubules; FSH and LH regulate; Human female: oogenesis; menstrual cycle ~28 days; ovulation at day ~14; Fertilisation: in the fallopian tube; zygote implants in uterine wall; Double fertilisation in angiosperms: one sperm fertilises egg (zygote), other fertilises polar nuclei (endosperm); Reproductive health: STIs, contraception, infertility, ART (IVF, ZIFT, GIFT).
Which formulae are important for Reproduction in NEET?
Gestation period: ~280 days (40 weeks) in humans; Embryo development: Zygote → morula → blastocyst → gastrula → embryo.
How can I practise NEET Reproduction questions for free?
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