Which of the following combinations is required for chemiosmosis? 
 
1. Proton pump, electron gradient, NADP synthase. 
2. Membrane, proton pump, proton gradient, ATP synthase. 
3. Membrane, proton pump, proton gradient, NADP synthase 
4. Proton pump, electron gradient, ATP synthase 

Subtopic:  Chemiosmotic hypothesis |
 77%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

 Match List - I with List - II
List - I List - II
(A) Chlorophyll a (I) Yellow to yellow orange
(B) Chlorophyll b (II) Yellow green
(C) Xanthophyll (III) Blue green
(D) Carotenoids (IV) Yellow
Choose the correct answer from the options given below:
Options: (A) (B) (C) (D)
1. III II IV I
2. III I IV II
3. II III I IV
4. IV III II I
Subtopic:  Pigments |
 82%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

Given below are two statements :
Statement I: RuBisCO is the most abundant enzyme in the world.
Statement II:  Photorespiration does not occur in C4 plants.
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is correct but Statement II is incorrect
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Subtopic:  Photorespiration |
 83%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

Which out of the following statements is incorrect?
1. Grana lamellae have both PS I and PS II
2. Cyclic photophosphorylation involved both PS I and PS II
3. Both ATP and NADPH + H+ are synthesised during non-cyclic photophosphorylation
4. Stroma lamellae lack PS II and NAP reductase
Subtopic:  Light Reaction: Electron Transport |
 80%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

How many ATP and NADPH are required for the synthesis of one molecule of Glucose during Calvin cycle?
1. 18 ATP and 16 NADPH2 2. 12 ATP and 12 NADPH2
3. 18 ATP and 12 NADPH2 4. 12 ATP and 16 NADPH2
Subtopic:  Dark Reaction : Calvin Cycle |
 86%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

The reaction centre in PS II has an absorption maxima at:
1.780 nm2.680 nm
3.700 nm 4.660 nm
Subtopic:  Light Reactions |
 87%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

Identify the correct statements regarding chemiosmotic hypothesis:
 
a. Splitting of the water molecule takes place on the inner side of the membrane.
b. Protons accumulate within the lumen of the thylakoids.
c. The primary acceptor of electrons transfers the electrons to an electron carrier.
d. NADP reductase enzyme is located on the stroma side of the membrane.
e. Protons increase in number in stroma.

Choose the correct answer from the options given below:
1. (a), (b) and (e) 2. (a), (b) and (d)
3. (b), (c) and (d) 4. (b), (c) and (e)
Subtopic:  Chemiosmotic hypothesis |
 74%
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

When one CO2 molecule is fixed as one molecule of triose phosphate, which of the following photochemically made, high energy chemical intermediates are used in the reduction phase?
1. 1 ATP + 1 NADPH
2. 1 ATP + 2 NADPH
3. 2 ATP + 1 NADPH
4. 2 ATP + 2 NADPH
Subtopic:  Dark Reaction : Calvin Cycle |
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 ratio of carbon dioxide fixation between C4 plants and C3 plants is : 

1.2:1 2.2: 3 
3.1:1 4.1:2 
Subtopic:  Dark Reaction : Calvin Cycle |
 59%
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The products of light reaction in photosynthesis are: 
1. ATP, NADPH and \(O_2\)
2. ATP, NADPH, \(O_2\) and \(H_2O\)
3.  ATP, NADPH , and \(H_2O\)
4.  ATP, NADPH ,  and \(CO_2\)

Subtopic:  Light Reaction: Electron Transport | Light Reactions |
 77%
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