The cell junctions called tight, adhering and gap junctions are found in
Options
(a) connective tissue (b) epithelial tissue (c) neural tissue (d) muscular tissue
Correct Answer:
epithelial tissue
Explanation:
The cell junctions […]
Uric acid is the cheif nitrogenous component of the excretory products of
Options
(a) earthworm (b) cockroach (c) frog (d) man
Correct Answer:
cockroach
Explanation:
Uric acid is the cheif nitrogenous component of the […]
Which one of the following pairs is wrongly matched?
Options
(a) Alcohol – nitrogenase (b) Fruit juice – pectinase (c) Textile – amylase (d) Detergents – lipase
Correct Answer:
Alcohol – nitrogenase
Explanation: […]
A change in the amount of yolk and its distribution in the egg will affect
Options
(a) pattern of cleavage (b) number of blastomeres produced (c) fertilization (d) formation of zygote
Correct Answer: […]
Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a ‘triplet’
Options
(a) Hershey and CHase (b) Morgan and Sturtevant (c) Beadle and Tantum (d) Nirenberg and Mathaei
Correct […]
Which part of human brain is concerned with the regulation of body temperature?
Options
(a) Cerebellum (b) Cerebrum (c) Hypothalamus (d) Medulla Oblongata
Correct Answer:
Hypothalamus
Explanation:
Hypothalamus part of human brain is concerned […]
Removal of introns and joining the exons in a defined order in a transcription unit is called:
Options
(a) tailing (b) transformation (c) capping (d) splicing
Correct Answer:
splicing
Explanation:
Splicing is the removal […]
Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of:
Options
(a) mesophytes (b) epiphytes (c) hydrophytes (d) xerophytes
Correct Answer:
hydrophytes
Explanation:
Reduction in vascular tissue, mechanical tissue and cuticle is […]
If a live earthworm is pricked with a needle on it outer surface without damaging its gut, the fluid that comes out is:
Options
(a) coelomic fluid (b) haemolymph (c) slimy mucus (d) […]
Which one of the following is the correct matching of three items and their grouping category?
Options
(a) ilium, ischium, pubis – coxal bones of pelvic gridle (b) actin, myosin, rhodopsin. – muscle proteins […]
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