Reason (R) The meristematic tissue is found at the tip of trees."
(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
332 Q) The number of cell organelles in our body can be kept in control by which of the following organelle?
(a) Lysosome
(b) Golgi bodies
(c) Mitochondria
(d) Nucleus
(a)Leptotene
(b) Zygotene
(c) Pachytene
(d) Diplotene
334 Q) The corpus callosum is absent in which one among the following animals?
(a) Echidna
(b) Rabbit
(c) Dog
(d) Whale
335 Q) Father of biology is
(a) Aristotle
(b) Birbal Sahni
(c) C Linnaeus
(d) Charles Darwin
336 Q) Which of the following cell organelle is found in a cell which is very active in protein synthesis?
(a)Mitochondria
(b) Chloroplast
(c) Lysosome
(d) Ribosome
337 Q) The vestigial organ, vermiform appendix found in human beings is a part of
(a) small intestine
(b) large intestine
(c)stomach
(d) rectum
338 Q) "Assertion (A) Carboxyhaemoglobin in the tissues fails to dissociate oxygen.
Reason (R) CO has 200 times more affinity with haemoglobin than oxygen."
(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
339 Q) "Consider the following Reserves
I. Biosphere reserves
II. National parks
III. Tiger Reserves
IV. Sanctuary reserves
Which of the reserves given above is/ are in-situ conservation sites?"
(a) I, II, III and IV
(b) I, III and IV
(c) II and III
(d) III and IV
340 Q) The initiation factors for protein synthesis are located in
(a) smaller sub-units of ribosomes
(b) larger sub-units of ribosomes
(c) both sub-units of ribosomes
(d) cytoplasm
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