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NEET 2020 · BiologyGymnospermsPrevious Year Question

Select the correct statement:

Answer: (C) Sequoia is one of the tallest trees. Answer: (C) Sequoia is one of the tallest trees.

  1. A.Gymnosperms are both homosporous and heterosporous
  2. B.Salvinia, ginkgo and pinus all are gymnosperms
  3. C.Sequoia is one of the tallest trees✓
  4. D.The leaves of gymnosperms are not well adapted to extremes of climate

Correct Answer

(C) Sequoia is one of the tallest trees

Solution & Explanation

Answer: (C) Sequoia is one of the tallest trees. Solution: The giant redwood tree Sequoia is a gymnosperm and is among the tallest tree species, so statement (3) is correct. Statement (1) is wrong because gymnosperms are heterosporous only (not both homosporous and heterosporous); statement (2) is wrong because Salvinia is a pteridophyte, not a gymnosperm; statement (4) is wrong because gymnosperm leaves ARE well-adapted to withstand extremes of climate (needle-like leaves, thick cuticle, sunken stomata). NCERT Reference: Class XI Biology, Plant Kingdom, p.32, lines 32-33 — "the giant redwood tree Sequoia is one of the tallest tree species".

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