HARD
NEET
IMPORTANT
Earn 100

Read the given statements and choose the correct option
A. Like dark reactions, light reactions are also temperature sensitive but are affected to a much lesser extent.

B. C4  plants respond to lower temperatures and show higher rate of photosynthesis.

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Important Questions on Photosynthesis in Higher Plants

HARD
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IMPORTANT
In C4  plants, bundle sheath cells are characterised by how many features given below?
i. Large cells
ii. Having large number of agranal chloroplasts
iii. Thin walled
iv. Impervious to gaseous exchange
V. Presence of intercellular space
 
HARD
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IMPORTANT
Who described the first action spectrum of photosynthesis by using an alga Cladophora, a prism and aerobic bacteria in an experiment?
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IMPORTANT

Choose the events which correctly differentiate non-cyclic photophosphorylation from photophosphorylation.

a. Requirement of an external electron donor.

b. Synthesis of ATP.

c. Photolysis of water.

d. Involvement of PS I.

e. Formation of NADPH.

MEDIUM
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IMPORTANT
In C3 cycle, fixation of one CO2 requires
HARD
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IMPORTANT
The primary CO2  acceptor molecule during C3  cycle is a
HARD
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IMPORTANT
Immediate donor of electrons to PS I is