1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Fertilisation in humans is practically feasible only if
A
the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the cervix
B
the sperms are transported into cervix within 48 hrs of release of ovum in uterus
C
the sperms are transported into vagina just after the release of ovum in Fallopian tube
D
the ovum and sperms are transported simultaneously to ampullary$$-$$isthmic junction of the Fallopian tube.
2
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
In context of Amniocentesis, which of the following statement is incorrect ?
A
It can be used for detection of Down syndrome
B
It is usually done when a woman is between 14-16 weeks pregnant
C
It is used for prenatal sex determination
D
It can be used for detection of Cleft palate
3
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following approaches does not give the defined action of contraceptive ?
A
Intra uterine devices $$ \to $$ Increase phagocytosis of sperms, suppress sperm motility and fertilizing capacity of sperm
B
Barrier methods $$ \to $$ Prevent fertilization
C
Hormonal contraceptives $$ \to $$ Prevent/retard entry of sperm, prevent ovulation and fertilization
D
Vasectomy $$ \to $$ Prevents spermatogenesis
4
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
A tall true breeding garden pea plant is crossed with a dwarf true breeding garden pea plant. When the F1 plants were selfed the resulting genotypes were in the ratio of -
A
3 : 1 :: Tall : Dwarf
B
1 : 2 : 1 :: Tall heterozygous : Tall homozygous : Dwarf
C
1 : 2 : 1 :: Tall homozygous : Tall heterozygous : Dwarf
D
3 : 1 :: Dwarf : Tall