Biology
Assertion (A): Kreb's cycle occurs in the cytoplasm of a cell and releases energy.
Reason (R): Glycolysis and kreb's cycle are the two steps of respiration. They both occur in the mitochondria and release energy.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Plants Respiration
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Answer
Both A and R are False.
Reason — The Krebs cycle occurs in the mitochondria, not in the cytoplasm. While glycolysis and the Krebs cycle are both part of aerobic respiration, but glycolysis occurs in the cytoplasm.
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Related Questions
Assertion (A): End products of anaerobic respiration in plants are ethyl alcohol and carbon dioxide.
Reason (R): Incomplete breakdown of cellulose occurs in the anaerobic respiration of plants.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Assertion (A): In many respects, respiration and photosynthesis in plants are distinctly opposite processes.
Reason (R): In photosynthesis, food is oxidised; whereas in respiration, food is manufactured.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Assertion (A): Lenticels are the openings found on the surface of roots.
Reason (R): Lenticels help in the diffusion of gases.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Fill in the blanks:
…………… are the openings found on older stems.
Glycolysis occurs in the …………… of the cells.
…………… is a respiratory substance.
Rate of …………… is more than the rate of …………… in the daytime in the case of green plants.
…………… is a chemical substance which absorbs oxygen of the air.
…………… is used to create vacuum to show anaerobic respiration.