Respiration in Plants MCQs | NCERT Biology
Chapter-wise Multiple Choice Questions on 'Respiration in Plants' for NEET Exam, based on NCERT Biology Class-11 (Chapter-12) with Answer Key and Solutions.
1.
Read the book NCERT Biology class-11 (chapter- 12): Respiration in Plants from here.
1. Question
Which of the following statements is true for one turn of Krebs cycle?
One molecule of FADH2 is synthesized
Three molecules of NADH + H+ are oxidised to NAD+
Three molecules of FADH2 are oxidised to FAD+
Only one molecule of NAD+ is reduced to NADH + H+
Correct Answer
Wrong Answer
2. Question
Pick the odd one from the following statements.
The terminal electron acceptor of ETS is oxygen
The electrons are transported in the ETS by the electron carrier proteins
The protons move from mitochondrial matrix to the cytoplasm during the movement of electrons in the ETS.
Complex V of the ETS is involved in ATP synthesis
Correct Answer
Wrong Answer
3. Question
- The F1 head piece is a transmembrane protein complex which contain the site of ATP synthesis.
- F0 is an integral membrane protein complex which forms the channel through which proton cross the outer membrane of mitochondria.
Only A is correct
Only B is correct
Both A & B are correct
Both A & B are incorrect
Correct Answer
Wrong Answer
4. Question
The Calvin cycle proceed in given three stages:
- Carboxylation
- Reduction
- Regeneration
Which column is not correctly matched ?
| Column-I (Process) | Column-II (Requirement) |
|---|---|
| (1) A and B | CO2 + ATP + NADPH2 |
| (2) B | NADPH2 + ATP |
| (3) C | ATP |
| (4) A, B and C | CO2 + ATP + O2 + NADPH2 |
1st
2nd
3rd
4th
Correct Answer
Wrong Answer
5. Question
Which intermediate of Krebs cycle is used as a substrate for amino acid biosynthesis ?
Citric acid
α-ketoglutarate
Succinyl-CoA
All of the above
Correct Answer
Wrong Answer
6. Question
FAD is an electron acceptor during oxidation of which of the following ?
α-ketoglutaric acid → succinyl Co-A
Succinic acid → Fumaric acid
Succinyl CoA → Succinic acid
Fumaric acid → Malic acid
Correct Answer
Wrong Answer
7. Question
The metabolic breakdown of carbohydrates, fatty acids and amino acids is connected through :
Acetyl–CoA
Pyruvic acid
PGAL
α-ketoglutarate
Correct Answer
Wrong Answer
8. Question
Which is the connecting link between glycolysis and Kreb's cycle :
Iso-citric acid
α-ketoglutaric acid
Glucose
Acetyl Co-A
Correct Answer
Wrong Answer
9. Question
The correct sequence of electron acceptor in ATP synthesis is :
Cyt, b, c, a3 , a
Cyt, c, b, a, a3
Cyt. a, a, b, c
Cyt. b, c1 , c, a, a3
Correct Answer
Wrong Answer
10. Question
Select the incorrect match:
C4 plant → Sorghum
C4 plant → RuBiSCO
RuBP → 7 carbon containing compound
PEP, PGA → 3 carbon containing compound
Correct Answer
Wrong Answer
11. Question
Given below are two statements:
Statement I: The TCA cycle starts with the condensation of acetyl group with oxaloacetic acid and water to yield oxalosuccinic acid.
Statement II: The metabolic pathway through which the electron posses from one carrier to another is called the electron transport system.
Choose the correct answer from the option given below:
Both Statement I and Statement II are incorrect
Statement I is correct but Statement II is incorrect
Statement I is incorrect but Statement II is correct
Both Statement I and Statement II are correct
Correct Answer
Wrong Answer
12. Question
The process of oxidative phosphorylation takes place in :
Mitochondria
Chloroplasts
Ribosomes
Cytoplasm
