1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
What does the filiform apparatus do at the entrance into ovule?
A
In brings about opening of the pollen tube.
B
It guides pollen tube from a synergid to egg.
C
It helps in the entry of pollen tube into a synergid.
D
It prevents entry of more than one pollen tuve into the embryo sac.
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Which one of the following is surrounded by a callose wall?
A
Male gamete
B
Egg
C
Pollen grain
D
Microspore mother cell
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Male gametes in angiosperms are formed by the division of
A
generative cell
B
vegetative cell
C
microspore mother cell
D
microspore.
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Two plants can be conclusively said to belong to the same species if they
A
have more than 90 percent similar genes
B
look similar and possess identical secondary metabolites
C
have same number of chromosomes
D
can reproduce freely with each other and form seeds.
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