Dark reaction occurs

(1) only in light

(2) only in the absence of light

(3) independent of light

(4) both (1) and (3).

Subtopic:  Dark Reaction: Biosynthetic Phase |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Photorespiration, usually occurs in

(1) one cell organelle

(2) two cell organelles

(3) three cell organelles

(4) four cell organelles.

Subtopic:  Photorespiration |
 67%
AIIMS - 2001
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NEET 2023 - Target Batch - Aryan Raj Singh
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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:  Photosystems |
 69%
AIIMS - 2001
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NEET 2023 - Target Batch - Aryan Raj Singh
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Blackman's law is related to 

(1) respiration

(2) transpiration

(3) root pressure

(4) photosynthesis.

Subtopic:  Historical View: Experiments |
 88%
From NCERT
AIIMS - 2001
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Who discovered photophosphorylation?

(1) Arnon et. al.

(2) Von Mayer

(3) Clavin et.al.

(4) Hill

Subtopic:  Light Reaction: Photophosphorylation |
AIIMS - 2001
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NEET 2023 - Target Batch - Aryan Raj Singh
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Photosynthetic bacteria do not contain

(1) quantasome

(2) PS-I and PS-II

(3) PS-I

(4) PS-II.

Subtopic:  Photosystems |
AIIMS - 2001
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NEET 2023 - Target Batch - Aryan Raj Singh
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The photorespiratory carbon-oxidation cycle involves the interaction of

1. chloroplast

2. mitochordria

3. peroxisomes

4. all of these.

Subtopic:  Photorespiration |
 91%
AIIMS - 2002
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NEET 2023 - Target Batch - Aryan Raj Singh
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Photorespiration in C3 plants starts from:

(1) phosphoglycerate

(2) phosphoglycolate

(3) Glycerate

(4) glycine.

Subtopic:  Photorespiration |
AIIMS - 2003
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NEET 2023 - Target Batch - Aryan Raj Singh
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Hill reaction occurs in:

(1) high altitude plants

(2) total darkness

(3) absence of water

(4) presence of ferricyanide

Subtopic:  Light Reaction: Photophosphorylation |
AIIMS - 2003
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NEET 2023 - Target Batch - Aryan Raj Singh
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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:  Historical View: Experiments |
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NEET 2023 - Target Batch - Aryan Raj Singh
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