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Respiration In Plants
Quiz 3
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Q.1
In plants, energy is obtained from the sun in the form of solar energy and stored in the form of complex organic matter. Where is it used?
used for carrying unuseful tissues out of the plant
used for seeing the stomata easily with a microscope
used for performing various essential functions of life by the plant
plants only know
Q.2
Which of the following is the key compound in the intermediary metabolism of carbohydrates, lipid and proteins
PEP
PGA
Acetyl CoA
α\alphaα -ketoglutarate
Q.3
First respiratory substrate :
Lipid
Protein
Carbohydrate
Both (a) and (c)
Q.4
Pyruvate which is formed by the glycolytic catabolism of carbohydrates in the cytosol, after it enters into mitochondrial matrix it undergoes :
Reductive amination
Oxidation decarboxylation
Reductive carboxylation
Reductive decarboxylation
Q.5
How many oxidation step take place during glycolysis, link reaction and Kreb’s cycle.
1, 1 and 1
1, 1 and 4
1, 1 and 3
1, 1 and 8
Q.6
What is the role of NAD+ in cellular respiration?
It is a nucleotide source for ATP synthesis.
It functions as an electron carrier.
It functions as an enzyme
It is the final electron acceptor for anaerobic respiration.
Q.7
When a molecule of pyruvic acid is subjected to fermentation and forms lactic acid, there is
Gain of 2 ATP
Loss of 3 ATP
Loss of 6 ATP
Gain of 3 ATP
Q.8
What do stomata takes during the photosynthesis?
O
Carbon dioxide
oxygen
All of above
Q.9
Breathing generates energy
False
True
Q.10
What gas is needed in order to perform respiration at the cellular level?
oxygen
carbon dioxide
hydrogen
nitrogen
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