Cristae of mitochondria help in
Options
(a) respiration (b) transpiration (c) photo-oxidation (d) photosynthesis
Correct Answer:
respiration
Explanation:
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Vegetation of tundra consists of
Options
(a) mosses (b) sedges (c) grasses (d) all of these
Correct Answer:
all of these
Explanation:
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The term ‘protobiogenesis’ is used for theory to
Options
(a) biochemical origin of life (b) panspermia (c) spontaneous generation (d) special creation
Correct Answer:
biochemical origin of life
Explanation:
No explanation available. Be […]
Which of the following surrounds the vacuole?
Options
(a) cell wall (b) mucopeptide layer (c) tonoplast (d) murein layer
Correct Answer:
tonoplast
Explanation:
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Renewable resources are
Options
(a) forest (b) wild life (c) aquatic life (d) forest & wild life & aquatic life
Correct Answer:
forest & wild life & aquatic life
Explanation:
No explanation available. […]
Double fertilization was first described by
Options
(a) Robert Brown (b) Nawaschin (c) Straburger (d) de Candolle
Correct Answer:
Nawaschin
Explanation:
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Auxanometer is used to detect
Options
(a) respiration (b) transpiration (c) plant movement (d) growth
Correct Answer:
growth
Explanation:
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ABA is involved in
Options
(a) dormancy of seeds (b) shoot elongation (c) increased cell division (d) root elongation
Correct Answer:
dormancy of seeds
Explanation:
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Green house gases are
Options
(a) CO₂ (b) SO₂ (c) CO₂ and SO₂ (d) CO₂, CFC, CH₄
Correct Answer:
CO₂, CFC, CH₄
Explanation:
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Anti-viral substance is
Options
(a) antigen (b) bacteria (c) interferon (d) antibody
Correct Answer:
interferon
Explanation:
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