1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Through which cell of the embryo sac, does the pollen tube enter the embryo sac?
A
Egg cell
B
Persistant synergid
C
Degenerated synergids
D
Central cell
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
In a type of apomixis known as advice embryony, embryos develop directly from the
A
nucellus or integuments
B
zygote
C
synergids or antipodals in an embryo sac
D
accessory embryo sacs in the ovule.
3
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Anthesis is a phenomenon which refers to
A
reception of pollen by stigma
B
formation of pollen
C
development of anther
D
opening of flower bud.
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is
A
tetraploidy
B
pentaploidy
C
diploidy
D
triploidy
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