The first dark reaction or CO2 fixation product is-
1. 3C – Organic Acid
2. 6C – Organic Acid
3. 5C – Organic Acid
4. 1C – Organic Acid

Subtopic:  Dark Reaction: Biosynthetic Phase |
 85%
From NCERT
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The first product of C3 and C4 cycle are:
1. PGA, PGAL
2. PGA, OAA
3. PGAL, RuBP
4. PGAL, OAA

 

Subtopic:  Dark Reaction: Biosynthetic Phase |
 93%
From NCERT
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What is the primary acceptor of CO2 in dark reaction?
1. Ketose sugar
2. Aldose sugar
3. Fatty acid
4. Sucrose

Subtopic:  Dark Reaction: Biosynthetic Phase |
 73%
From NCERT
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Which of the following is not a step of photosynthesis?
1. Decarboxylation
2. Carboxylation
3. Regeneration
4. Reduction

Subtopic:  Dark Reaction : Calvin Cycle |
 80%
From NCERT
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The order of three steps of Calvin cycle is-
1. Carboxylation- Reduction-Regeneration
2. Reduction-Regeneration- Carboxylation
3. Regeneration-Carboxylation- Reduction
4. Reduction- Carboxylation –Regeneration

 

Subtopic:  Dark Reaction : Calvin Cycle |
 97%
From NCERT
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Calvin Pathway occurs-
1. Only C3
2. Only C4
3. All photosynthetic plants
4. only in C2 plants

Subtopic:  Dark Reaction : Calvin Cycle |
 92%
From NCERT
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The most crucial step of Calvin cycle-
1. Decarboxylation
2. Carboxylation
3. Regeneration
4. Reduction

 

Subtopic:  Dark Reaction : Calvin Cycle |
 74%
From NCERT
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How many molecules of 3-PGA are produced during a single run of carboxylation?
1. 3
2. 1
3. 2
4. 4

 

Subtopic:  Dark Reaction : Calvin Cycle |
 84%
From NCERT
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How many molecules of ATP and NADPH are utilized in the step of reduction?
1. 2,2
2. 2,3
3. 2,4
4. 2,5

 

Subtopic:  Dark Reaction : Calvin Cycle |
 84%
From NCERT
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For the removal of one molecule of Glucose, how many turns of fixation are required?
1. 3
2. 2
3. 6
4. 4

Subtopic:  Dark Reaction : Calvin Cycle |
 95%
From NCERT
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