1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Transfer of pollen grains from the another to the stigma of another flower of the same plant is called
A
xenogamy
B
geitonogamy
C
karyogami
D
autogamy.
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Wind pollinated flowers are
A
small, brightly coloured, producing large number of pollen grains
B
small, producing large number of dry pollen grains
C
large producing abundant nectar and pollen
D
small, producing nectar and dry pollen.
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Apomictic embryos in Citrus arise form
A
synergids
B
maternal sporophytic tissue in ovule
C
antipodal cells
D
diploid egg.
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements about human sperm is correct?
A
Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilisation
B
The sperm lysins in the acrosome dissolve th egg envelope facilitating fertilisation
C
Acrosome serves as a sensory structure leading the sperm towards the ovum
D
Acrosome serves no particular function