C4-plants are more efficient in photosynthesis than C3-plants due to:

1. higher leaf area
2. presence of larger number of chloroplasts in the leaf cells
3. presence of thin cuticle
4. lower rate of photorespiration

Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
AIPMT - 2010
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NEET 2023 - Target Batch - Aryan Raj Singh
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Stroma in the chloroplasts of higher plants contains:

1. light-independent reaction enzymes

2. light-dependent reaction enzymes

3. ribosomes

4. chlorophyll

Subtopic:  Chloroplast Structure |
 70%
AIPMT - 2009
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NEET 2023 - Target Batch - Aryan Raj Singh
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Cyclic -photophosphorylation results in the formation of:
1. NADPH
2. ATP and NADPH
3. ATP, NADPH, and O2
4. ATP

Subtopic:  Light Reaction: Photophosphorylation |
 78%
From NCERT
AIPMT - 2009
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

'Sun basket' is:

1. The device to utilize sun rays directly to meet the requirement of heat energy

2. The sufficient amount of sunlight stored in a cell

3. A device for taking sunbath

4. All of the above

Subtopic:  Introduction |
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The net requirement of assimilatory power for the formation of 6 hexose molecules in maize plant is:

1. 72 ATP, 48 NADPH

2. 90 ATP, 60 NADPH

3. 108 ATP, 72 NADPH

4. 180 ATP, 72 NADPH

Subtopic:  Dark Reaction: Biosynthetic Phase |
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Kranz anatomy can be observed in leaves of:

1. sorghum

2. spinach

3. mustard

4. tulip

Subtopic:  C4 Cycle (Hatch & Slack Pathway) | C4 Plants Examples |
 86%
From NCERT
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Light reaction in stroma lamellae of the chloroplast results in the formation of:

1. NADPH2

2. ATP+NADPH2

3. ATP

4. O2

Subtopic:   WHERE ARE THE ATP AND NADPH USED |
 54%
From NCERT
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In photosynthesis carbon dioxide is converted to carbohydrates. It is a ......... process.

1. Reductive

2. Oxidative

3. Catabolic and exergonic

4. None of the above

Subtopic:  Dark Reaction : Calvin Cycle |
From NCERT
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Which of the following characteristics is exhibited by C4 plants? 

I. Kranz anatomy. 
II. The first product of photosynthesis is oxaloacetic acid. 
III. Both PEP carboxylase and ribulosebiphosphate carboxylase act as carboxylating enzymes. 

The correct option is:

1. I and III, but not II

2. I and II, but not III

3. II and III, but not I

4. All are correct

Subtopic:  C4 Cycle (Hatch & Slack Pathway) | C4 Plants Examples |
 69%
From NCERT
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CAM helps the plants in:
1. secondary growth 2. disease resistance
3. reproduction 4. conserving water
Subtopic:  CAM Pathway |
 84%
AIPMT - 2011
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NEET 2023 - Target Batch - Aryan Raj Singh
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