Respiration (Exchange Gases; Cellular Respiration-Glycolysis, Fermentation (Anaerobic), TCA Cycle and Electron Transport System (Aerobic); Energy Relations- Number of ATP Molecules Generated; Amphibolic Pathways; Respiratory Quotient) NEET Questions

Biology - Plant Physiology

Respiration (Exchange Gases; Cellular Respiration-Glycolysis, Fermentation (Anaerobic), TCA Cycle and Electron Transport System (Aerobic); Energy Relations- Number of ATP Molecules Generated; Amphibolic Pathways; Respiratory Quotient) MCQ Questions


1.
Which of the following organelles is known as the 'powerhouse of the cell'?
A.
Ribosome
B.
Chloroplast
C.
Golgi apparatus
D.
Mitochondria
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ANSWER :
D. Mitochondria
2.
Plants do not have specialized organs for gas exchange because:
A.
Plants have lungs in roots
B.
Plants only respire at night
C.
Each plant part takes care of its own gas exchange needs and there is little transport of gases from one part to another
D.
Plants do not respire
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ANSWER :
C. Each plant part takes care of its own gas exchange needs and there is little transport of gases from one part to another
3.
Which gas is taken up during respiration and which is released?
A.
CO2 taken up; O2 released
B.
O2 taken up; N2 released
C.
N2 taken up; CO2 released
D.
O2 taken up; CO2 released
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ANSWER :
D. O2 taken up; CO2 released
4.
Glycolysis occurs in:
A.
Mitochondrial matrix
B.
Inner mitochondrial membrane
C.
Cytoplasm
D.
Chloroplast stroma
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ANSWER :
C. Cytoplasm
5.
The end product of glycolysis is:
A.
Lactic acid
B.
Acetyl CoA
C.
Citric acid
D.
Pyruvic acid
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ANSWER :
D. Pyruvic acid
6.
How many ATP molecules are net produced during glycolysis from one glucose molecule?
A.
4
B.
36
C.
8
D.
2
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ANSWER :
D. 2