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Question

Plant X has undifferentiated plant body.
Plant Y is a seedless vascular plant that is differentiated into stem, roots and leaves.
Plant Z is a plant bearing seeds.
Select the correct statement regarding X, Y, and Z.

  1. X can be an angiosperm.
  2. Z can be angiosperm or gymnosperm.
  3. Y can be gymnosperm.
  4. Y can be a thallophyte.

A
X can be an angiosperm.
B
Y can be gymnosperm.
C
Y can be a thallophyte.
D
Z can be angiosperm or gymnosperm.
Solution
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X can be a thallophyte that has an undifferentiated plant body. Algae are thallophytes belonging to the kingdom Plantae.
Y can be pteridophytes that are seedless, vascular plants and differentiated into true stem, leaves, and roots.
Z can be angiosperm or gymnosperm since both of them have seeds. However, angiosperms have seeds enclosed in fruit whereas, gymnosperms have naked seeds.
So, the correct answer is option D.

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