1
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
2
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.
3
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
The technique called gamete intrafallopian transfer (GIFT) is recommended for those females :
A
who cannot produce an ovum
B
who cannot retain the foetus inside uterus
C
who cannot provide suitable environment for fertilisation
D
whose cervical canal is too narrow to allow passage for the sperms
4
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Test cross in plants or in Drosophila involves crossing :
A
the F1 hybrid with a double recessive genotype
B
between two genotypes with dominant trait
C
between two F1 hybrids
D
between two genotypes with recessive trait