1
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
In angiosperms, functional megaspore develops into
A
embryo sac
B
ovule
C
endosperm
D
pollen sac.
2
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
What is common between vegetative reproduction and apomixts?
A
Both are applicable to only dicot plants
B
Both bypass the flowering phase
C
Both occur round the year
D
Both produced progeny identical to the parent.
3
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
About which day in a normal human menstrual cycle does rapid secretion of LH (popularly called LH-surge) normally occurs?
A
11th day
B
14th day
C
20th day
D
5th day
4
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
What happens during fertilization in humans after many sperms reach close to the ovum?
A
Only two sperms nearest the ovum penetrate zona pellucida
B
Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida
C
All sperms except the one nearest to the ovum lose their tails
D
Cells of corona radiate trap all the sperms except one.
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