ATP and NADPH produced during photosynthesis, are used in which of the following reactions?
a. Catabolic
b. Biosynthetic phase
c. amphibolic
d. Hydrolytic phase

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Dark reaction depends upon-
a. Presence of darkness
b. Presence of light
c. Products of light reactions
d. Products of biosynthetic phase

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The first dark reaction or CO2 fixation product is-
a. 3C – Organic Acid
b. 6C – Organic Acid
c. 5C – Organic Acid
d. 1C – Organic Acid

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Melvin-Calvin used ------- radioactive in-----studies for the discovery of first CO2 fixation product.
a. 14C , Fungal photosynthesis
b. 14C , Algal photosynthesis
c. 15N , Fungal photosynthesis
d. 15N , Algal photosynthesis

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The first product of C3 and C4 cycle are:
a. PGA, PGAL
b. PGA, OAA
c. PGAL, RuBP
d. PGAL, OAA

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What is the primary acceptor of CO2 in dark reaction?
a. Ketose sugar
b. Aldose sugar
c. Fatty acid
d. Sucrose

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Which of the following is not a step of photosynthesis?
a. Decarboxylation
b. Carboxylation
c. Regeneration
d. Reduction

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The order of three steps of Calvin cycle is-
a. Carboxylation- Reduction-Regeneration
b. Reduction-Regeneration- Carboxylation
c. Regeneration-Carboxylation- Reduction
d. Reduction- Carboxylation –Regeneration

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Calvin Pathway occurs-
a. Only C3
b. Only C4
c. All photosynthetic plants
d. only in C2 plants

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The most crucial step of Calvin cycle-
a. Decarboxylation
b. Carboxylation
c. Regeneration
d. Reduction

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