Assertion: Protons or hydrogen ions produced by photolysis of water accumulate in the lumen of thylakoids.

Reason: Photolysis of water takes place in inner membrane of thylakoid.

• If both assertion and reason are true and reason is the correct explanation of assertion

• If both assertion and reason are true but reason is not the correct explanation of assertion

• If assertion is true but reason is false

• If both assertion and reason are false.

Assertion : Glycolysis is the first step of respiration in which glucose completely breaks into CO₂ and H₂O.

Reason : In this process, there is net gain of twenty four molecules of ATP.

• If both assertion and reason are true and reason is the correct explanation of assertion

• If both assertion and reason are true but reason is not the correct explanation of assertion

• If assertion is true but reason is false

• If both assertion and reason are false

Which of the following is the connecting link between glycolysis and Krebs cycle?

• Acetyl Co- A

• Oxalosuccinic acid

• Pyruvic acid

• Citric acid

Assertion: F_i particles are present in the inner mitochondrial membrane.

Reason: An electron gradient formed on the inner mitochondrial membrane, forms ATP.

• If both assertion and reason are true and reason is the correct explanation of assertion

• If both assertion and reason are true but reason is not the correct explanation of assertion

• If assertion is true but reason is false

• If both assertion and reason are false.

Biological oxidation in Krebs cycle involves :

• O₂

• N₂

• CO₂

• SO₂

The name of process of aerobic respiration, in which energy is provided in steps in electron transport chain, is :

• EMP-pathway

• decarboxylation

• photophosphorylation

• oxidative phosphorylation

37.

In which of the following process 36 ATP molecules are produced by per hexose molecule

• Glycolysis

• Krebs' cycle

• Direct oxidation pathway

• None of the above

The value of RQ at compensation point is

• unity

• infinity

• > 1 

• zero

FAD is electron acceptor during oxidation of which of the following

• ketoglutarate ➔ Succinyl Co-A

• Succinic acid➔ Fumaric acid

• Succinyl Co-A ➔ Succinic acid

• Fumaric acid ➔ Malic acid

How many ATP molecules are obtained from fermentation of 1 molecule of glucose

• 2 

• 4

• 3

• 5