The photorespiratory carbon-oxidation cycle involves the interaction of
1. chloroplast
2. mitochordria
3. peroxisomes
4. all of these.
Subtopic: Â Photorespiration |
 90%
Level 1: 80%+
AIIMS - 2002
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NEET 2026 - Target Batch - Vital
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Blackman's law is related to
(1) respiration
(2) transpiration
(3) root pressure
(4) photosynthesis.
Subtopic: Â Historical View: Experiments |
 88%
Level 1: 80%+
AIIMS - 2001
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
Which of the following statements about phytochrome is true?
| 1. | Pr absorbs yellow light and becomes Pfr |
| 2. | Pr absorbs red light and becomes Pfr |
| 3. | Pfr absorbs red light and becomes Pr |
| 4. | Pfr absorbs yellow light and becomes Pr . |
Subtopic: Â Photosystems |
 68%
Level 2: 60%+
AIIMS - 2001
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NEET 2026 - Target Batch - Vital
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Photorespiration, usually occurs in
| 1. | one cell organelle |
| 2. | two cell organelles |
| 3. | three cell organelles |
| 4. | four cell organelles. |
Subtopic: Â Photorespiration |
 65%
Level 2: 60%+
AIIMS - 2001
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NEET 2026 - Target Batch - Vital
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Photorespiration in C3 plants starts from:
(1) phosphoglycerate
(2) phosphoglycolate
(3) Glycerate
(4) glycine.
Subtopic: Â Photorespiration |
Level 3: 35%-60%
AIIMS - 2003
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NEET 2026 - Target Batch - Vital
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Dark reaction occurs
1.
only in light
2.
only in the absence of light
3.
independent of light
4.
both (1) and (3).
Subtopic: Â Dark Reaction: Biosynthetic Phase |
Level 3: 35%-60%
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
Hill reaction occurs in:
1. high altitude plants
2. total darkness
3. absence of water
4. presence of ferricyanide
Subtopic: Â Light Reaction: Photophosphorylation |
Level 3: 35%-60%
AIIMS - 2003
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NEET 2026 - Target Batch - Vital
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Which one of the following categories of organisms do not evolve oxygen during photosynthesis?
| 1. | Red algae |
| 2. | Photosynthetic bacteria |
| 3. | C4 plants with Kranz anatomy |
| 4. | Blue green algae |
Subtopic: Â Historical View: Experiments |
Level 3: 35%-60%
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NEET 2026 - Target Batch - Vital
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Subtopic: Â Light Reaction: Photophosphorylation |
Level 4: Below 35%
AIIMS - 2001
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
Subtopic: Â Photosystems |
Level 4: Below 35%
AIIMS - 2001
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
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