Question 1 of 10

Biology

1. The process of gaseous exchange involves:

1.Breakdown of C-H bonds to yield energy

2.Getting oxygen from the air and removing carbon dioxide

3.Physical movements that take air in and out of Body

4.Transport of oxygen by the blood to different parts of the body

Question 1 of 10

Question 2 of 10

2. Which structure actively helps in taking the air out of lungs?

1.Bronchus

2.Diaphragm

3.Bronchiole

4.Nasal cavity

Question 2 of 10

Question 3 of 10

3. Which process does NOT occur in the nasal cavity?

1.Humidification of the inhaled air

2.Exchange of gases

3.Warming of the inhaled air

4.Trapping of large dust particles

Question 3 of 10

Question 4 of 10

4. Point out the FALSE statement about respiration:

1.Dust particles can damage the lung by irritating the inner alveoli surface

2.Gases can easily pass through the walls of the alveoli

3.In emphysema the walls of alveoli break and there is more surface area

4.Gas exchange in lungs is very efficient because lungs provide large surface area

Question 4 of 10

Question 5 of 10

5. How many bronchi are there in the air passageway?

1.Two

2.Many

3.None

4.One

Question 5 of 10

Question 6 of 10

6. A disease involving the breakdown of air sacs of the lungs is:

1.Asthma

2.Pneumonia

3.Bronchitis

4.Emphysema

Question 6 of 10

Question 7 of 10

7. The primary chemical stimulus for breathing is the concentration of:

1.Oxygen in blood

2.Oxygen in muscles

3.Carbon dioxide in blood

4.Carbon dioxide in muscles

Question 7 of 10

Question 8 of 10

8. Most of the gaseous exchange in a leaf occurs through:

1.General surface

2.Cuticle

3.Lenticels

4.Stomata

Question 8 of 10

Question 9 of 10

9. What type of blood vessels surrounds the alveoli?

1.Arteriole

2.Capillary

3.Artery

4.Vein

Question 9 of 10

Question 10 of 10

10. Where does the gaseous exchange occur in humans?

1.Pharynx

2.Alveoli

3.Bronchi

4.Trachea

Question 10 of 10

Test By Subject	Punjab
Test By Topics	10th Class Biology

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Punjab 10th Class Biology Chapter 1 Gaseous Exchange Mcqs Test Online

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Punjab 10th Class Biology Chapter 1 Gaseous Exchange Mcqs Test Online

Punjab 10th Class Biology Chapter 1 Gaseous Exchange MCQs Preparations Online

Biology

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