A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
E) If the assertion is false but reason is true
Correct Answer: A
Solution :
In Cycas, more than one archegonium may be fertilized in the ovule. The oospores of these develop into the pro-embryo stage. Each proembryo may produce a suspensor. All the suspensors twist together to form a compound suspensor. It supports only one embryo which reaches maturity. The mature embryo has two cotyledons plumule and the radicle embedded in a coleorhiza.
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