Gaseous Exchange – MDCAT Biology, Chapter 13 – Level 1

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Gaseous Exchange - Level 1

Chapter 13 - MDCAT Biology - Test Preparation MCQs

Read these Multiple Choice Questions of Gaseous Exchange MDCAT Chapter 13 and start the online test.

  1. A complex process of oxidation-reduction in which food is oxidized to release energy is?Respiration
  2. Atmospheric air contains:21% oxygen
  3. In higher plants, gas exchange through entire surface of leaves and stem is prevented due to external, waxy covering called.Cuticle
  4. Stomata is formed by two modified epidermal bean-shaped:Guard Cells
  5. In woody stems, respiratory gases can move freely In and out of stem through:Lenticels
  6. Plants in which photorespiration occurs are termed biochemically asC3 plants
  7. Enzyme present in the process of photorespiration is:Rubisco
  8. Regarding "Hydra", which statement is incorrect?Body has three layers of cells.
  9. Earth worm respires through:Moist Skin
  10. Respiratory organ of cockroach is:Tracheae

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1. “Stomata” is formed by two modified epidermal bean-shaped:

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2. In higher plants, gas exchange through entire surface of leaves and stem is prevented due to external, waxy covering called.

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3. Plants in which photorespiration occurs are termed biochemically as

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4. Enzyme present in the process of photorespiration is:

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5. Regarding "Hydra", which statement is incorrect?

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6. Atmospheric air contains:

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7. Earth worm respires through:

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8. A complex process of oxidation-reduction in which food is oxidized to release energy is?

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9. In woody stems, respiratory gases can move freely In and out of stem through:

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10. Respiratory organ of cockroach is:

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