Respiration — Important Questions
Telangana Board · Class 10 · Biology
45 important questions from Respiration for Telangana Board Class 10 Biology, with answers. Includes multiple choice and multiple correct questions.
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Important Questions from Respiration
Which of the following are products of aerobic respiration?
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Carbon dioxide, Water, Energy (ATP)
Aerobic respiration produces CO₂, H₂O, and ATP energy. Lactic acid and ethanol are products of anaerobic respiration.
In which organelle does cellular respiration mainly occur?
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Mitochondria
Mitochondria are called 'powerhouses of the cell' because cellular respiration occurs here, producing ATP energy.
Which of these statements about breathing are correct?
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Inspiration increases chest cavity volume, Diaphragm contracts during inhalation, Rib cage moves up during inspiration
During inspiration, diaphragm contracts, rib cage moves up and out, increasing chest volume. Normal expiration is passive.
What happens to lactic acid produced during vigorous exercise?
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It is removed when oxygen becomes available
Lactic acid causes muscle pain during exercise. When oxygen becomes available after rest, it is oxidized and removed from muscles.
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