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Question

Assertion :Pteridophytes are not completely successful terrestrial plants. Reason: The primary root is eventually replaced by adventitious root.
  1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
  2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
  3. Assertion is correct but Reason is incorrect
  4. Both Assertion and Reason are incorrect

A
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
B
Assertion is correct but Reason is incorrect
C
Both Assertion and Reason are incorrect
D
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Solution
Verified by Toppr

Pteridophytes are not completely successfull terrestrial plants because they need water for fertilisation and primary root after some time replaced by adventitious roots. So, assertion and reason both are correct but reason is not the correct explanation.

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