Plant Physiology - Respiration in Plants

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Q1. In which part of the plant does respiration primarily occur? (2020)

Solution:

Respiration occurs in all parts of the plant, including roots, leaves, and stems.

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Q2. Which of the following is NOT a product of respiration? (2021)

Solution:

Glucose is not a product of respiration; it is a reactant that is broken down during the process.

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Q3. Which of the following is NOT a stage of cellular respiration? (2021)

Solution:

The Calvin cycle is part of photosynthesis, not cellular respiration.

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Q4. Which of the following is NOT a product of cellular respiration? (2021)

Solution:

Glucose is not a product of cellular respiration; it is a reactant that is broken down to produce ATP, water, and carbon dioxide.

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Q5. What is the significance of the electron transport chain in respiration? (2023)

Solution:

The electron transport chain is significant in respiration as it generates ATP through oxidative phosphorylation.

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Q6. What is the main purpose of respiration in plants? (2023)

Solution:

The main purpose of respiration in plants is to release energy from glucose, which is essential for various cellular processes.

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Q7. In which part of the plant does most of the respiration occur? (2020)

Solution:

Most of the respiration occurs in the roots, where energy is needed for nutrient uptake and growth.

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Q8. Which gas is released during the process of respiration in plants? (2022)

Solution:

Carbon dioxide is released as a byproduct during the process of respiration in plants.

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Q9. What is the main substrate for respiration in plants? (2023)

Solution:

Glucose is the main substrate for respiration in plants, as it is broken down to release energy.

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Q10. What is the net gain of ATP molecules from one molecule of glucose during aerobic respiration? (2023)

Solution:

The net gain of ATP molecules from one molecule of glucose during aerobic respiration is approximately 30-32 ATP.