1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Which one of the following pairs of plant structures has haploid number of chromosomes ?
A
Nucellus and antipodal cells
B
Egg nucleus and secondary nucleus
C
Megaspore mother cell and antipodal cells
D
Egg cell and antipodal cells
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Unisexuality of flowers prevents
A
geitonogamy, but not xenogamy
B
autogamy and geitonogamy
C
autogamy, but not geitonogamy
D
both geitonogamy and xenogamy.
3
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
4
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.

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