1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
In grasses what happens in microspore mother cell for the formation of mature pollen grains?
A
One meiotic and two mitotic divisions
B
One meiotic and one mitotic divisions
C
One meiotic
D
One Mitotic division
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Adventive embryony in Citrus is due to
A
nucellus
B
integuments
C
zygotic embryo
D
fertilized egg.
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Eight nucleated embryo sac is
A
only monosporic embryo sac is
B
only bisporic
C
only tetrasporic
D
any of these.
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Endosperm is formed during the double fertilization by
A
two polar nuclei and one male gamete
B
one polar nuclei and one male gamete
C
ovum and male gamete
D
two polar nuclei and two male gametes.
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