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Class 11 Biology
Photosynthesis In Higher Plants
Quiz 1
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The rate of photosynthesis is controlled by
0%
the rate of light reaction
0%
the rate of dark reaction
0%
the rates of both light and dark reactions
0%
none of the above
Explanation
the rate of dark reaction
The end product of the Calvin cycle is ______.
0%
RuBP
0%
PGAL
0%
PGA
0%
ADP + NADP
Explanation
RuBP
The primary carbon dioxide acceptor in C4 cycle is
0%
malic acid
0%
phosphoenol pyruvate
0%
rubisco
0%
aspartic acid
Explanation
phosphoenol pyruvate
The law of limiting factor was given by
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Calvin
0%
Blackman
0%
Priestley
0%
None of these
Explanation
Blackman
The metabolic pathway which produces carbohydrate is
0%
Calvin cycle
0%
Glycolysis
0%
Cyclic electron pathway
0%
Krebs cycle
Explanation
Calvin cycle
Manganese is required in
0%
Chlorophyll synthesis
0%
Nucleic acid synthesis
0%
Plant cell wall formation
0%
Photolysis of water during photosynthesis
Explanation
Photolysis of water during photosynthesis
Oxidative phosphorylation refers to
0%
Anaerobic production of ATP
0%
The citric acid cycle production of ATP
0%
Production of ATP by chemiosmosis
0%
Alcoholic fermentation
Explanation
Production of ATP by chemiosmosis
Which of the following is not an accessory pigment?
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Carotene
0%
Chlorophyll a
0%
Chlorophyll b
0%
Xanthophyll
Explanation
Chlorophyll a
Besides water and CO
0%
light
0%
oxygen
0%
NAD
0%
mineral salt
Explanation
light
In actively gro – wing young plants, the best data for estimating the rate of photosynthesis would be
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ratio of oxygen evolved to carbon dioxide absorbed
0%
increase in fresh weight
0%
increase in dry weight
0%
increase in carbohydrate
Explanation
ratio of oxygen evolved to carbon dioxide absorbed
Discovery of Emerson effect has already shown the
0%
two distinct photochemical reactions
0%
light and dark reactions of photosynthesis
0%
photophosphorylation
0%
photorespiration
Explanation
two distinct photochemical reactions
Translocation of sugar in flowering plants occurs in the form of
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glucose
0%
sucrose
0%
starch
0%
maltose
Explanation
sucrose
Where are thylakoids and grana located?
0%
Lysosomes
0%
Mitochondria
0%
Chloroplasts
0%
Golgi apparatus
Explanation
Chloroplasts
Who enunciated the law of limiting factor for photosynthesis?
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Robert Emerson
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Ruben
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Blackman
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Calvin
Explanation
Blackman
Which one of the following statement is true for ATP?
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ATP is prosthetic part of an enzyme
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ATP is an enzyme
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ATP is organic ions of enzyme
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ATP is a Co-enzyme
Explanation
ATP is a Co-enzyme
Kranz anatomy is a feature of
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C3 plants
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CAM plants
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C4 plants
0%
All of these
Explanation
C4 plants
Which of the following is a 4-carbon compound?
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Oxaloacetic acid
0%
Phosphoglyceric acid
0%
Ribulose biphosphate
0%
Phosphoenolpyruvate
Explanation
Oxaloacetic acid
Which of the following process (C4 cycle) occurs in bundle sheath cells?
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Regeneration
0%
Fixation
0%
Carboxylation
0%
Decarboxylation
Explanation
Decarboxylation
Light reactions of photosynthesis occurs in
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stroma
0%
thylakoid
0%
grana
0%
cytoplasm of cell
Explanation
grana
Water stress causes
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opening of stomata
0%
increase in metabolic rate
0%
wilting of leaves
0%
lesser availability of carbon dioxide
Explanation
wilting of leaves
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