Respiration questions and Answers with pdf download

Respiration questions and Answers with pdf manages cell breath or the component of the breakdown of food materials inside the cell to deliver energy and the catching of this energy for the blend of ATP. The concepts of Glycolysis, Aerobic Respiration, The Respiratory Balance Sheet, Fermentation, Amphibolic Pathway, and Respiratory Quotient are covered in the topic.

Respiration questions and Answers with pdf Download

1 Dough kept overnight in warm place becomes soft and spongy due to:
(A) Osmosis
(B) Absorption of CO2
(C) Cohesion
(D) fermentation

2 Chemiosmotic theory of ATP synthesis in chloroplasts and mitochondria is based on:
(A) Membrane potential
(B) Accumulation of Na+ ions
(C) Accumulation of K+ ions
(D) Proton gradient

Answer:Proton gradient
3 The process by which ATP is produced in the inner membrane of a mitochondrion. The electron transport system transfers from the inner compartment to the outer, as the proton flow back to the inner compartment, the energy of thgeir movement is used to add phosphate to ADP , forming ATP,
(A) Chemiosmosis
(B) Phosphorylation
(C) Glycolysis
(D) Fermentation

Answer: Chemiosmosis
4 In photophorylation ,under the circumstances when NADP is not longer available as acceptor the electrons are passed to :
(A) Cytochrome f
(B) Plastocyanin
(C) Cytochrome B6
(D) Quinone

Answer: Cytochrome B6
5 In citric acid cycle, the step which is not mediated by dehydrogense enzyme is :
(A) Oxaloacetic acid to citric acid
(B) Citric acid to ?-keto glutaric acid
(C) Succinic acid to fumaric acid
(D) malic acid to oxaloacetic acid

Answer: Oxaloacetic acid to citric acid
6 Alpha-ketoglutarate dehydrogenase results in
(A) Oxidation and Decarboxylation
(B) Reduction
(C) Oxidation
(D) None of the above

Answer:Oxidation and Decarboxylation
7 _________ is a product of aerobic respiration
(A) Malic acid
(B) Pyruvate
(C) Ethylene
(D) Lactose

Answer: Malic acid
8 Energy gained during aerobic respiration is _______ times more than anaerobic respiration.
(A) 8
(B) 12
(C) 19
(D) 32

9 Glycolysis is also known as ________
(A) EMP pathway
(B) TCA pathway
(C) carbon sequestration
(D) None of the above

Answer: EMP pathway
10 On oxidation of 1 molecule of glucose, ______ ATP is produced through aerobic respiration
(A) 10
(B) 25
(C) 30
(D) 38

Answer: 38

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