Gaseous Exchange – Online MCQs – Biology 10th

Biology Class 10th Online MCQs of Chapter 1 Gaseous Exchange for Sindh Board Science Group

Below Here to find Online MCQs Test of Chapter 1 (Gaseous Exchange) Biology Class 10th Science Group – Sindh Board. According to New Examination Pattern / Syllabus 2023-24 of Sindh Board Karachi Hyderabad Larkana Sukkur and Mirpurkhas.

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You have 10 minutes to complete the test consist of 20 Questions which are randomly selected from this Chapter.

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Chap 1 - Gaseous Exchange - Biology 10th

Science Group - Sindh Board

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1. The total surface area of the respiratory surface in human is about.

2 / 20

2. Each lung is made up of millions of:

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3. Which of the following disorder is associated with inflammation of air passageways?

4 / 20

4. It is an allergic response to pollens, dust, smoke, fur, feathers and several other substances.

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5. Inspiration involves:

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6. The opening of larynx is known as:

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7. In the lower part of the thorax, lies a sheet of muscles called:

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8. The amount of molecular oxygen present in water is about:

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9. Each lung is soft, spongy and:

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10. The process of breathing consists of:

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11. Stomata are present in:

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12. The amount of molecular oxygen present in the air is about:

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13. Larynx is located on:

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14. The gaseous exchange takes place at the level of alveoli. This gaseous exchange involves:

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15. we use normally about __________ of the air coming into the lungs.

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16. The opening of larynx has a lid like cover called:

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17. These are microscopic openings present in the epidermis of leaves.

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18. The internal opening of nasal sacs opens into a long tube called:

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19. Respiratory surface possesses the following property:

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20. The biological functions which perform gaseous exchange:

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