1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Parthenocarpic tomato fruits can be produced by
A
treating the plants with phenylmercuric acetate
B
removing androcium of flowers before pollen grains are released
C
treating the plants with low concentrations of gibberellic acid and auxins
D
raising the plants from vernalized seeds.
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 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
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which one of the following represents an ovule, where the embryo sac becomes horse-shoe shaped and the funiculus and micropyle are close to each other?
A
Amphitropous
B
Circinotropous
C
Atropous
D
Anatropous
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