NEET Biology Respiration plants mcqs,pdfs,model,mock exams

Respiration in plants Mock Test-7

Question No:1

RQ of sprouting potato tubers will be

[A] 1
[B] < 1
[C] > 1
[D] 0



Question No:2

RQ in anaerobic respiration is

[A] 0
[B] infinite
[C] 1
[D] > 1



Question No:3

Assertion: Glycolysis occurs in cytoplasm.
Reason: Enzymes for glycolysis are found in cytoplasm.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:4

Assertion: Power house of cell is mitochondria.
Reason: ATP is produced in mitochondria.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:5

Assertion: The inner membrane of mitochondria contains enzymes of Kreb’s cycle
Reason: The mitochondrial matrix contains systems involving electron transport.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:6

Assertion: Respiration is an amphibolic pathway.
Reason: Respiratory pathway is involved in both catabolism and anabolism.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:7

Assertion: The breakdown of glucose to pyruvic acid is called glycolysis.
Reason: For complete oxidation of glucose organism adopt Kreb’s cycle.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:8

Assertion: Substrate level phosphorylation is present in glycolysis.
Reason: Substrate level phosphorylation causes synthesis of ATP.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:9

Assertion: Under anaerobic conditions, pyruvate gives rise to lactate in some bacteria.
Reason: Under anaerobic condition, pyruvate gives rise to acetyl Co A.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:10

Assertion: When carbohydrates are used as substrate and are completely oxidised, the RQ will be l.
Reason: Equal amount of CO2, and O2 are evolved and consumed during above process.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:11

Assertion: In ETS the ultimate acceptor of electrons is O2
Reason: Substrate level phosphorylation also occur in Kreb’s cycle.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:12

Assertion: F1 particles are present in the inner mitochondria! membrane.
Reason: The passage of protons through the channel is coupled to the catalytic site of the F1, component for the production of ATP.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:13

The energy-releasing metabolic process in which substrate is oxidised without an external electron acceptor is called

[A] Glycolysis
[B] Fermentation
[C] Aerobic respiration
[D] Photorespiration



Question No:14

Which of the metabolites is common to respiration mediated breakdown of fats, carbohydrates and proteins?

[A] Glucose – 6 – phosphate
[B] Fructose 1,6 – bisphosphate
[C] Pyravic acid
[D] Acetyl Co A



Question No:15

In which one of the following processes CO2 is not released?

[A] Aerobic respiration in plants
[B] Aerobic respiration in animals
[C] Alcoholic fermentation
[D] Lactate fermentation



Question No:16

Cytochromes are found in:

[A] Matrix of mitochondria
[B] Outer wall of mitochondria
[C] Cristae of mitochondria
[D] Lysosomes