46
One of the ex-situ conservation methods for endangered species of plants and animals is
1
wildlife sanctuary
2
biosphere reserve
3
national park
4
cryopreservation
Answer & Explanation
48
Pneumatic bones are found in
1
house lizard
2
frog's tadpole
3
flying fish
4
pigeon
Answer & Explanation
49
Gorilla, chimpanzee, man and monkey belong to the same
1
species
2
genus
3
family
4
order
Answer & Explanation
50
The function of oxyntic cell is to secrete
1
HC1 in stomach
2
bile
3
proteolytic enzymes
4
lipolytic enzymes
Answer & Explanation
51
Chloride shift is essential for transport of
1
C02 and 02
2
N2
3
C02 only
4
02 only
Answer & Explanation
52
The snakes and birds are mainly
1
ammonotelic
2
amiotelic
3
ureotelic
4
uricotelic
Answer & Explanation
53
The number of RBCs in man increases if someone lives at higher altitude because
1
there is more oxygen
2
there is less oxygen
3
there are no germs in air
4
more heat is needed to warm the body
Answer & Explanation
Answer: there is less oxygen
54
The conduction of impulse from SA node moves to
1
AV node
2
bundle of His
3
Purkinje fibres
4
chordae tendinae
Answer & Explanation
55
The most abundant granulocyte in human blood is
1
basophil
2
eosinophil
3
neutrophil
4
monocyte
Answer & Explanation
56
The immediate predecessor of spermatids is
1
spermatogonia
2
primary spermatocyte
3
secondary spermatocyte
4
sperm mother cell
Answer & Explanation
Answer: secondary spermatocyte
57
Fertilization of ova in human takes place in
1
ovary
2
vagina
3
uterus
4
fallopian tube
Answer & Explanation
58
The eggs of egg-laying mammals are
1
macrolecithal
2
alecithal
3
mesolecithal
4
telolecithal
Answer & Explanation
59
The tertiary membranes of egg are secreted by the
1
egg itself
2
follicular cells
3
oviduct
4
uterus
Answer & Explanation
60
Which is an exception to Mendel's law?
1
Purity of gametes
2
Dominance
3
Linkage and crossing-over
4
Independent assortment
Answer & Explanation
Answer: Linkage and crossing-over
