Given below are two statements: 
Statement I: The primary \(CO_2\) acceptor in \(C_4\) plants is phosphoenolpyruvate and is found in the mesophyll cells. 
Statement II: Mesophyll cells in \(C_4\) plants lack RuBisCO enzyme.
In the light of the above statements, choose the correct answer from the options given below : 
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II  are incorrect.
4. Statement I is correct but Statement II is incorrect.
Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
 80%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The first stable product of CO2 fixation in sorghum is:

1. Succinic acid

2. Phosphoglyceric acid

3. Pyruvic acid

4. Oxaloacetic acid

Subtopic:  C4 Cycle (Hatch & Slack Pathway) | C4 Plants Examples |
 78%
From NCERT
NEET - 2021
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following statements is incorrect?

1. RuBisCO is a bifunctional enzyme
2. In C4 plants, the site of RuBisCO activity is mesophyll cell
3. The substrate molecule for RuBisCO activity is a 5-carbon compound
4. RuBisCO action requires ATP and NADPH 

Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
 77%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In Hatch and Slack pathway, the primary CO2 acceptor is -

1. Oxaloacetic acid

2. Phosphoglyceric acid

3. Phosphoenol pyruvate

4. Rubisco

Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
 71%
From NCERT
NEET - 2019
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in:
1. C4 plants
2. C2 plants
3. C3 and C4 plants
4. C3 plants

Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
 82%
From NCERT
NEET - 2017
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant?
1. C4 2. CAM
3. Nitrogen –fixer 4. C3
Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
 87%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In Kranz anatomy, the bundle sheath cells have:

1. thick walls, many intercellular spaces and few chloroplasts
2. thin walls, many intercellular spaces and no chloroplasts
3. thick walls, no intercellular spaces and a large number of chloroplasts
4. thin walls, no intercellular spaces and several chloroplasts
Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
 89%
From NCERT
AIPMT - 2011
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Study the pathway given below:

65525

In which of the following options, correct words for all the three blanks A, B and C are indicated?

A B C
1. Fixation  Transamination Regeneration
2. Fixation  Decarboxylation  Regeneration
3. Carboxylation  Decarboxylation Reduction
4. Decarboxylation Reduction  Regeneration
Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
 74%
From NCERT
AIPMT - 2010
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In leaves of Cplants, malic acid synthesis during COfixation occurs in:
1. epidermal cells
2. mesophyll cells
3. bundle sheath
4. guard cells
Subtopic:  C4 Cycle (Hatch & Slack Pathway) | C4 Plants Examples |
 80%
From NCERT
AIPMT - 2008
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of:
1. mesophyll
2. bundle sheath
3. phloem
4. epidermis

Subtopic:  C4 Cycle (Hatch & Slack Pathway) | C4 Plants Examples |
 86%
From NCERT
AIPMT - 2007
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh