AIPMT MAINS2011Zoology-Plant Reproduction
AIPMT MAINS 2011 Zoology Seed Evolution MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because
A
Megaspores possess endosperm and embryo surrounded by seed coat
B
Embryo develops in female gametophyte which is retained on parent sporophyte
C
Female gametophyte is free and gets dispersed like seeds
D
Female gametophyte lacks archegonia
Correct Answer
Option B
Detailed Explanation
Both are heterosporous genera; archegonia are present in both cases.
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