Which of the metabolites is common to respiration mediated breakdown of fats, carbohydrates and proteins?
Options
(a) Fructose 1,6 – bisphosphate (b) Pyruvic acid (c) Acetyl CoA (d) Glucose – 6 – phosphate
Correct […]
What external changes are visible after the last moult of a cockroach nymph?
Options
(a) Anal cerci develop (b) Both fore wings and hind wings develop (c) Labium develops (d) Mandibles become harder
The one aspect which is not a salient feature of genetic code, is its being:
Options
(a) degenerate (b) ambiguous (c) universal (d) specific
Correct Answer:
ambiguous
Explanation:
Genetic code is non […]
Silencing of mRNA has been used in producing transgenic plants resistant to:
Options
(a) bollworms (b) nematodes (c) white rusts (d) bacterial blights
Correct Answer:
nematodes
Explanation:
No explanation available. Be the first […]
Besides paddy fields cyanobacteria are also found inside vegetative part of :
Options
(a) Cycas (b) Equisetum (c) Psilotum (d) Pinus
Correct Answer:
Cycas
Explanation:
In Cycas specialised root called coralloid roots are […]
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 the human ear plays no role in hearing as such but is otherwise very much required?
Options
(a) Eustachian tube (b) Organ of corti (c) Vestibular apparatus (d) Ear ossicles
Correct […]
Which one of the following groups of animals reproduces only by sexual means?
Options
(a) Ctenophora (b) Cnidaria (c) Porifera (d) Protozoa
Correct Answer:
Ctenophora
Explanation:
In Ctenophora, sexes are not separate. Reproduction […]
What was the most significant trend in evolution of modern man (Homo sapiens) from his ancestors?
Options
(a) Upright posture (b) Shortening of jaws (c) Binocular vision (d) increasing brain capacity
Correct Answer: […]
The nerve centres which control the body temperature and the urge for eating are contained in:
Options
(a) hypothalamus (b) pons (c) cerebellum (d) thalamus
Correct Answer:
hypothalamus
Explanation:
Hypothalamus contains important nerve centres […]
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