NEET 2016 Phase 1 · BiologyBryophytesPrevious Year Question
In bryophytes and pteridophytes, transport of male gametes requires:
Answer: (D) Water. Answer: (D) Water.
- A.Wind
- B.Insects
- C.Birds
- D.Water✓
Correct Answer
(D) Water
Solution & Explanation
Answer: (D) Water. Solution: Both bryophytes and pteridophytes depend on water for sexual reproduction: their flagellated, motile male gametes (antherozoids) must swim through a film of external water to reach the archegonium. Wind, insects and birds are pollination/dispersal agents relevant only to seed plants (gymnosperms, angiosperms), not to the water-dependent fertilisation of these two amphibious groups. NCERT Reference: Class XI Biology, Plant Kingdom, p.32, lines 9-10 — "Water is required for transfer of antherozoids – the male gametes released from the antheridia, to the mouth of archegonium."
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