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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