An example of reproductive isolation is
Options
(a) Archaeopteryx (b) dinosaurs (c) mule (d) Bonellia
Correct Answer:
mule
Explanation:
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Coacervates belongs to category of
Options
(a) cyanobacteria (b) protozoans (c) molecular aggregates (d) molecular aggregates surrounded by lipid membrane
Correct Answer:
molecular aggregates surrounded by lipid membrane
Explanation:
No explanation available. Be […]
Finding of Miller’s experiment on origin of life has provided evidence for the
Options
(a) theory of special creation (b) theory of organic evolution (c) theory of biogenesis (d) theory of abiogenesis
Correct […]
H. M. S. Beagle is associated with which scientist?
Options
(a) Darwin (b) Lamarck (c) Wallace (d) Columbus
Correct Answer:
Darwin
Explanation:
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Bhopal tragedy of 1984 was caused by the leakage of gas
Options
(a) methyl isocyanate (b) 2, 4-dichlorophenoxy acetic acid (c) ammonia (d) hydrogen cyanide
Correct Answer:
methyl isocyanate
Explanation:
No explanation available. Be […]
Chronic exposure to arsenic causes
Options
(a) blue-baby syndrome (b) foot and mouth disease (c) dropsy (d) itai-itai disease
Correct Answer:
dropsy
Explanation:
No explanation available. Be the first to write the explanation […]
Electrostatc precipitators are extensively employed to control
Options
(a) water pollution (b) air pollution (c) radioactive pollution (d) none of the above
Correct Answer:
air pollution
Explanation:
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In a river if its BOD percentage is high then
Options
(a) river is polluted (b) rive is not polluted (c) river is dry (d) none of these
Correct Answer:
river is polluted
Adrenocorticotrophic hormone is secreted by
Options
(a) thyroid (b) adrenalin (c) pancreas (d) anterior pituitary
Correct Answer:
anterior pituitary
Explanation:
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During stress condition which of the following starts working
Options
(a) sympathetic nerves (b) parasympathetic nerves (c) autonomous nerves (d) cranial nerve
Correct Answer:
sympathetic nerves
Explanation:
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