The Bundle sheath cells are rich in -------- while lacks----.
a. RuBisCo, PEPCase
b. PEPCase, RuBisCo
c. ATPase, Hydrolase
d. Hydrolase, ATPase

Subtopic:  Photorespiration |
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How many of them are wrong?
p. RuBisCO is the most abundant enzyme in plants only.
q. RuBisCO has active site for O2 only
s. C3 cycle in C4 plants occur in Bundle sheath cells.

a. 2
b. 3
c. 1
d. 0

Subtopic:  Photorespiration |
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The binding of RuBisCO for O2 and CO2 is –
a. Non-competitive
b. Competitive
c. Uncompetitive
d. Mixed

Subtopic:  Photorespiration |
 89%
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The product of photorespiration-
a. Phosphoglycerate
b. Phosphoglycolate
c. both a and b
d. Malate

Subtopic:  Photorespiration |
 78%
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Which of the following is wrong regarding photorespiration?
a. utilization of ATP
b. Production of little sugar
c. Release of CO2
d. Wasteful Process

Subtopic:  Photorespiration |
 78%
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In C4 plants, photorespiration does not occur-
a. They have different RuBisCO.
b. They have no RuBisCO.
c. They have mechanism to increase the concentration of CO2
d. They cannot utilize ATP

Subtopic:  Photorespiration |
 89%
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At any point, the rate of photosynthesis is determined by the factor which is available at---------- levels.
a. optimal
b. higher than required
c. sub-optimal
d. won’t depend

Subtopic:  Factors Affecting Photosynthesis |
 55%
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Who gave the law of limiting factors and when?
a. Lieman-1906
b. Blackman-1905
c. Lieman-1905
d. Blackman-1906

Subtopic:  Factors Affecting Photosynthesis |
 85%
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What kind of graph one will obtain if he observes CO2 fixation rates at low intensities?
a. Parabola
b. Linear
c. Circular
d. Hyperbola

Subtopic:  Factors Affecting Photosynthesis |
 65%
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Light is a limiting factor for plants in shade-
a. as they do not get full sunlight
b. as they do not get at most 10 % of full sunlight
c. as they do not get at least 50 % of full sunlight
d. as they do not get at most 70% full sunlight

Subtopic:  Factors Affecting Photosynthesis |
 80%
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