1
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because
A
female gametophyte is free and gets dispersed like seeds.
B
female gametophyte lacks archegonia.
C
megaspores possess endosperm and embryo surrounded by seed coat.
D
embryo develops in female gametophyte which is retained on parent sporophyte.
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The gametophyte is not an independent, free-living generation in
A
Polytrichum
B
Adiantum
C
Marchantia
D
Pinus.
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
A prokaryotic autotrophic nitrogen fixing symbiont is found in
A
Alnus
B
Cycas
C
Cicer
D
Pisum
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tend to be
A
smaller but to have larger sex organs
B
larger but to have smaller sex organs
C
larger and to have larger sex organs
D
smaller and to have smaller sex organs.

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