A baby has been born with a small tail. It is a case exhibiting
Options
(a) retrogressive evolution (b) mutation (c) atavism (d) metamorphosis
Correct Answer:
atavism
Explanation:
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As per NeoDarwinism, which is mainly responsible for evolution?
Options
(a) mutation (b) natural selection (c) both (mutation) & (natural selection) (d) none of these
Correct Answer:
both (mutation) & (natural selection)
Explanation: […]
5th June is celebrated as
Options
(a) world forest day (b) world environment day (c) world red cross day (d) world food day
Correct Answer:
world environment day
Explanation:
No explanation available. Be […]
Catalytic converter is involved in the control of
Options
(a) air pollution (b) radioactive pollution (c) sewage and chemical from industry (d) nuclear pollution
Correct Answer:
air pollution
Explanation:
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Damage of O₃ layer is due to harmful effects of
Options
(a) sulphur dioxide (b) carbon dioxide (c) organic compounds (d) chlorofluorocarbons
Correct Answer:
chlorofluorocarbons
Explanation:
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Ganga Action Plan was started in
Options
(a) 1947 (b) 1956 (c) 1982 (d) 1985
Correct Answer:
1985
Explanation:
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Allethrin is a commonly used
Options
(a) fertilizer (b) herbicide (c) growth hormone (d) insecticide
Correct Answer:
insecticide
Explanation:
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Biological control of pests is
Options
(a) polluting (b) highly expensive (c) self-perpetuating (d) toxic
Correct Answer:
self-perpetuating
Explanation:
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Dual breed variety of cattle is
Options
(a) Brown Swiss (b) Aryshire (c) Jersey (d) Brown Swiss & Aryshire & Jersey
Correct Answer:
Aryshire
Explanation:
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From which stage of silk moth the silk is obtained?
Options
(a) adult (b) egg (c) caterpillar (d) cocoon
Correct Answer:
cocoon
Explanation:
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