Respiration in Plants MCQs | Respiration in Plants Multiple Choice Questions (MCQs) with Answers

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Questions
1 In which of the following reaction related to plant peroxisomes are envolved:
A Gloxylate cycle
B Glycolate cycle
C Krebs cycle
D Bacterial respiration

Answer:Gloxylate cycle
2 For undergoing glycolysis ,glusose require priming with the help of ATP:
A 1
B 2
C 3
D 4

Answer: 2
3 Which among the following is the most appropriate reason for storing green coloured apples at low temperature?
A The rate of photosynthesis is reduced
B Respiration and photosynthesis are completely inhibited
C The rate of respiration is reduced
D The rates of photosynthesis and respiration are reduced

Answer: The rate of respiration is reduced
4 A net gain of glycolysis with a molecule of glucose is the formation of:
A 2NADH 2, 2ATP and 2 pyruvic acid molecules
B 2NADH 2, 2ATP and 1 pyruvic acid molecules
C 1NADH 2, 2ATP and 2 pyruvic acid molecules
D 2NADH 2, 4 ATP and 2 pyruvic acid molecules

Answer: 2NADH 2, 2ATP and 2 pyruvic acid molecules
5 The last electron acceptor of ETC during oxidative phosphorylation is:
A Cyt b
B Cyt a3
C H2
D CO2

Answer: Cyt a3
6 R.Q. of protein is
A 7
B 1.0
C 0.9
D more than one

Answer: 0.9
7 Which of the following carbon is anomeric in glucose:
A C 1
B C 2
C C 4
D C 5

Answer: C 1
8 Glycolysis term has originated from greek word :
A Glycose and lysis
B Glycos and lysis
C Glyco and lysis
D Glycose and lysis

Answer:Glycos and lysis
9 The cofactor of nitrate reductase is :
A Cu
B Zn
C Ca
D Mo

Answer:Mo
10 Which process makes direct use of oxygen ?
A Glycolysis
B Fermentation
C Electron transport
D Kreb’s cycle

Answer: Electron transport
11 Dough kept overnight in warm place becomes soft and spongy due to:
A Osmosis
B Absorption of CO2
C Cohesion
D fermentation

Answer:fermentation
12 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
13 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
14 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
15 In citric acid cycle, the step which is not mediated by dehydrogense enzyme is :
A Oxaloacetic acid to citric acid
B Citric acid to α-keto glutaric acid
C Succinic acid to fumaric acid
D malic acid to oxaloacetic acid

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

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

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

Answer:19
19 Glycolysis is also known as ________
A EMP pathway
B TCA pathway
C carbon sequestration
D None of the above

Answer: EMP pathway
20 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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