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Q. No.

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

Q118:
 91% From NCERT 
Subtopic:  Dark Reaction : Calvin Cycle |
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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

Q119:
 91% From NCERT 
Subtopic:  CAM Pathway |
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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

Q120:
 74% From NCERT 
Subtopic:  Dark Reaction : Calvin Cycle |
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Which of the following is not a step of photosynthesis?
a. Decarboxylation
b. Carboxylation
c. Regeneration
d. Reduction

Q121:
 81% From NCERT 
Subtopic:  Dark Reaction : Calvin Cycle |
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Calvin Pathway occurs-
a. Only C3
b. Only C4
c. All photosynthetic plants
d. only in C2 plants

Q122:
 88% From NCERT 
Subtopic:  Dark Reaction : Calvin Cycle |
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The most crucial step of Calvin cycle-
a. Decarboxylation
b. Carboxylation
c. Regeneration
d. Reduction

Q123:
 69% From NCERT 
Subtopic:  Dark Reaction : Calvin Cycle |
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How many molecules of ATP and NADPH are utilized in the step of reduction?
a. 2,2
b. 2,3
c. 2,4
d. 2,5

Q124:
 80% From NCERT 
Subtopic:  Dark Reaction : Calvin Cycle |
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For the formation of one molecule of Glucose, how many turns of fixation are required?
a. 3
b. 2
c. 6
d. 4

Q125:
 93% From NCERT 
Subtopic:  Dark Reaction : Calvin Cycle |
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For the uninterrupted flow of Calvin Cycle, which step is most important?
a. Decarboxylation
b. Carboxylation
c. Regeneration
d. Reduction

Q126:
 70% From NCERT 
Subtopic:  Dark Reaction : Calvin Cycle |
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How many ATPs are required for regeneration of one molecule of RuBP?
a. 2
b. 3
c. 1
d. 0

Q127:
 73% From NCERT 
Subtopic:  Dark Reaction : Calvin Cycle |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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