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Respiration In Plants Mock Tests

19 questions available

Respiration In Plants Mock Test 1

Questions: 19

Sample Questions

Class 11 Biology
The respiratory quotient (RQ) is defined as the ratio of:
A CO₂ produced to O₂ consumed
B O₂ consumed to CO₂ produced
C CO₂ consumed to O₂ produced
D O₂ produced to CO₂ consumed
Class 11 Biology
The Krebs cycle (TCA cycle) occurs in which part of the mitochondrion?
A Outer membrane
B Inner membrane
C Intermembrane space
D Matrix
Class 11 Biology
During glycolysis, glucose is broken down into which of the following end products?
A Two molecules of pyruvate
B One molecule of acetyl-CoA
C Two molecules of lactic acid only
D Six molecules of carbon dioxide
Class 11 Biology
The respiratory quotient (RQ) for lipid metabolism is approximately:
A 1.0
B 0.7
C 0.8
D 4.0
Class 11 Biology
In the glycolysis pathway, glucose is broken down into two molecules of pyruvate. During this process, the net gain of ATP molecules is:
A 4 ATP
B 2 ATP
C 6 ATP
D 38 ATP
Class 11 Biology
The electron transport chain (ETS) in the inner mitochondrial membrane pumps protons (H⁺) into the intermembrane space. Which of the following is the correct sequence of electron carriers in the ETS?
A Complex I → CoQ → Complex II → Cytochrome c → Complex III
B Complex I → CoQ → Complex III → Cytochrome c → Complex IV
C Complex II → CoQ → Complex I → Cytochrome c → Complex III
D CoQ → Complex I → Complex III → Complex IV → Cytochrome c
Class 11 Biology
How many ATP molecules are consumed during the preparatory phase of glycolysis per glucose molecule?
A 1
B 2
C 3
D 4
Class 11 Biology
In the electron transport chain (ETC) located in the inner mitochondrial membrane, which molecule acts as the final electron acceptor?
A Carbon dioxide (CO₂)
B NAD⁺
C Oxygen (O₂)
D Ubiquinone

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