HARD
NEET
IMPORTANT
Earn 100

Statement A: Photorespiration does not produce ATP or NADPH and is a wasteful process.

Statement B: Decarboxylation is the primary step of Calvin cycle.

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Important Questions on Photosynthesis in Higher Plants

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A pigment appears yellow-orange in the chromatogram and found in leaves of higher plants, helps
a. In absorption of light of different wavelength.
b. To prevent oxidative destruction of chlorophyll pigment by light.
c. By absorbing wavelengths beyond visible spectrum which increases the efficiency of photosynthesis,
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Which of the given statements are true regarding PS I and PS II?
a. Both are found on stroma lamellae.
b. Both are involved in non-cyclic flow of electrons.
c. Only PS II is associated with release of O2.
d. PS II lies on outer surface whereas PS I on the inner surface of thylakoids.
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Synthesis of  ATP by enzyme present on thylakoids does not involve
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Choose the odd one w.r.t. the steps of Calvin cycle.
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The C4 pathway of CO2 fixation is an adaptation of plants found mainly in: 
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Read the following statement and sate them as True(T) or false(F).

a. I both potato and Amaranthus, calvin cycle operates in bundle sheath cells.

b. Both RuBiCO and PEPcase catalyze the process of carboxylation.

c. Dark reaction is not dependent directly on presence of light.

d. Calvin cycle operates in all plants, be they C3' C4 or CAM.

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Bundle sheath cells are similar to mesophyll cells in
a. Having grana
b. Having large number of chloroplasts
c. Being involved in CO2  fixation
d. Being impervious to gaseous exchange
e. Their primary CO2  flxation product