1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result
A
there is high degree of sterility
B
one can conclude that the plants is apomictic
C
self fertilization is prevented
D
there is no change in success rate of fertilization.
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Peat moss is used as a packing material for sending flowers and live plants to distant places because
A
it serves as a disinfectant
B
it is easily available
C
it is hygroscopic
D
it reduces transpiration.
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Conifers differ from grasses in the
A
formation of endosperm before fertilization
B
production of seeds from ovules
C
lack of xylem tracheids
D
absence of pollen tubes.
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
In a moss, the sporophyte
A
manufactures food for itself, as well as for the gametophyte
B
is partially parasitic on the gametophyte
C
produces gametes that give rise to the gametophyte
D
arises form a spore produced from the gametophyte.

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