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Complex II

Choose correc...

Question

Choose correct option with respect to anaerobic respiration.

A

The first oxidation step occurs in mitochondria

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B

All reactions occur in the cytoplasm

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C

They require oxygen only at one step

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D

First step of reaction occurs first in cytoplasm then in mitochondria

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Solution

The correct option is B All reactions occur in the cytoplasm
Anaerobic respiration occurs only in the cytoplasm of the cell. Glucose is not completely broken down, so much fewer ATP molecules are produced as compared to aerobic respiration. Anaerobic respiration does not need oxygen.

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Similar questions

Q. Assertion :Glycolysis occurs in cytoplasm Reason: Enzymes for glycolysis are found in cytoplasm, it is common in aerobic/anaerobic respiration

Q. Assertion :Aerobic respiration is bioenergetically more efficient than anaerobic respiration. Reason: Aerobic respiration takes place in mitochondria, whereas anaerobic respiration occurs in the cytoplasm.

Q. Which combination of statement is correct?
(i) In aerobic respiration , glycolysis occurs in the cytoplasm of a cell.
(ii) In aerobic respiration, glycolysis cannot occur without the presence of oxygen.
(iii) In the process of glycolysis, glucose molecules are oxidised to produce the molecules of pyruvate.
(iv) In aerobic respiration , glycolysis occurs in the mitochondria of a cell.
(v) In aerobic respiration, oxidation of pyruvate molecules to produce

C O_{2}, H_{2} O

and energy, occurs in mitochondria.

Q. What is correct about the following statements
a) Glycolysis occurs in cytoplasm of the cell
b) Aerobic respiration occurs inside mitochondria
c) ETS occurs in outer mitochondrial membrane
d)

C_{51} H_{98} O_{6}

is tripalmitin
e) R.Q. = volume of

O_{2}

evolved / volume of

C O_{2}

Q. Assertion: Glycolysis is the only process in aerobic respiration.
Reason: It is partial oxidation of glucose that occurs in the cytoplasm of the cell of all living organisms.

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