Which part of the leaf is meant for photosynthesis and gaseous exchange?
Options
(a) bundle sheath with chloroplasts (b) bundle sheath extensions (c) palisade parenchyma (d) spongy parenchyma
Correct Answer:
spongy parenchyma
Explanation: […]
In photosynthesis, splitting of water molecule and release of oxygen is called
Options
(a) photophosphorylation (b) photolysis (c) carboxylation phase (d) red drop
Correct Answer:
photolysis
Explanation:
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In C₄ plants, CO₂ combines with
Options
(a) phosphoglyceraldehyde (b) phosphoglyceric acid (c) phosphoenol pyruvate (d) none of the above
Correct Answer:
phosphoenol pyruvate
Explanation:
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Chloroplasts without grana are known to occur in
Options
(a) bundle sheath cells of C₃ plants (b) mesophyl cells of C₄ plants (c) bundle sheath cells of C₄ plants (d) mesophyl cells of […]
Oxygen which is liberated during photosynthesis comes from
Options
(a) CO₂ (b) H₂O (c) chlorophyll (d) phosphoglyceric acid
Correct Answer:
H₂O
Explanation:
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Which of the following conducts sugar to different organs in plants?
Options
(a) phloem fibres (b) phloem parenchyma (c) sieve tube (d) vessels
Correct Answer:
sieve tube
Explanation:
In flowering plants and nonflowering vascular […]
Photorespiration takes place in
Options
(a) lysosomes (b) mesosomes (c) peroxisomes (d) lomasomes
Correct Answer:
peroxisomes
Explanation:
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Baterial photosynthesis does not show
Options
(a) photosystem I (b) utilization of energy (c) evolution of oxygen (d) formation of organic product
Correct Answer:
evolution of oxygen
Explanation:
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Photophosphorylation was discovered by
Options
(a) Arnon (b) Hill (c) Ruben and Kamen (d) Calvin
Correct Answer:
Arnon
Explanation:
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The primary acceptor, during carbon dioxide fixation in C₃ plants is
Options
(a) phosphoglyceric acid(PGA) (b) phosphoenolpyruvate(PEP) (c) ribulose monophosphate(RMP) (d) ribulose 1,5-diphospate(RuDP)
Correct Answer:
ribulose 1,5-diphospate(RuDP)
Explanation:
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