Zoology Questions and Answers for Competitive Exams SSC UPSC Railways | GkSeries

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: cryopreservation
47 Haversian canals are found in
1 mkidney
2 liver
3 bone
4 cartilage

Answer: bone
48 Pneumatic bones are found in
1 house lizard
2 frog's tadpole
3 flying fish
4 pigeon

Answer: pigeon
49 Gorilla, chimpanzee, man and monkey belong to the same
1 species
2 genus
3 family
4 order

Answer: order
50 The function of oxyntic cell is to secrete
1 HC1 in stomach
2 bile
3 proteolytic enzymes
4 lipolytic enzymes

Answer: HC1 in stomach
51 Chloride shift is essential for transport of
1 C02 and 02
2 N2
3 C02 only
4 02 only

Answer: C02 only
52 The snakes and birds are mainly
1 ammonotelic
2 amiotelic
3 ureotelic
4 uricotelic

Answer: uricotelic
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: 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: AV node
55 The most abundant granulocyte in human blood is
1 basophil
2 eosinophil
3 neutrophil
4 monocyte

Answer: neutrophil
56 The immediate predecessor of spermatids is
1 spermatogonia
2 primary spermatocyte
3 secondary spermatocyte
4 sperm mother cell

Answer: secondary spermatocyte
57 Fertilization of ova in human takes place in
1 ovary
2 vagina
3 uterus
4 fallopian tube

Answer: fallopian tube
58 The eggs of egg-laying mammals are
1 macrolecithal
2 alecithal
3 mesolecithal
4 telolecithal

Answer: macrolecithal
59 The tertiary membranes of egg are secreted by the
1 egg itself
2 follicular cells
3 oviduct
4 uterus

Answer: muscle fibres
60 Which is an exception to Mendel's law?
1 Purity of gametes
2 Dominance
3 Linkage and crossing-over
4 Independent assortment

Answer: Linkage and crossing-over