Reason (R) Estrogens can also maintain calcium homeostasis in the bones and blood."
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
122 Q) Which of following animal is used to prepare the vaccine against mycobacterium leprae?
(a) Horse
(b) Armadillo
(c) Rabbit
(d) Guinea pig
I. Fins of fishes
II. Fins of Ichthyosaurs
III. Flippers of Whale
Which of the organs given above is/are “analogous organs”?"
(a) All of these
(b) I and III
(c) II and III
(d) Only III
124 Q) The first geological time scale was developed by
(a) Giovani Arduina
(b) William Smith
(c) R Malthus
(d) George Cuvier
125 Q) "Consider the following worms
(1) Filariaworm (2) Guinea worm (3) Hookworm (4) Pin worm
Which of the worms given above is/are nematodes?"
(a) 1 and 2
(b) 2 and 3
(c) 2, 3 and 4
(d) All of these
126 Q) The characteristic odour of garlic is due to
(a) a chlorine compound
(b) a fluorine compound
(c) a sulphur compound
(d) a nitrogen compound
127 Q) Potatoes are borne on
(a) primary roots
(b) stem branches
(c) lateral roots
(d) adventitious roots
128 Q) Which one among the following is responsible for the resistant nature of bacterial endospores?
(a) Calcium and Aponitic acid
(b) Aponitic acid
(c) Calcium and Dipicolinic acid
(d) Dipicolinic cyanide
129 Q) Eating of raw fish can cause deficiency of
(a) vitamin B,
(b) vitamin D
(c) vitamin K
(d) vitamin B6
130 Q) "Assertion (A) Dizygotic twin is due to fertilization of two ova by sperms.
Reason (R) Monozygotic twin is the result of cleavage of a fertilized ovum and children are always of the same sex. "
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
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