1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : Heterospory and retention of female gametophyte are responsible for origin of seed habit in Selaginella.

Reason : Psilotum is a living fossil.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
AIIMS Subjects
EXAM MAP