Question 1 of 10

Biology

1. Point out the FALSE statement about respiration:

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

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

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

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

Question 1 of 10

Question 2 of 10

2. 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 2 of 10

Question 3 of 10

3. What type of blood vessels surrounds the alveoli?

1.Capillary

2.Artery

3.Arteriole

4.Vein

Question 3 of 10

Question 4 of 10

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

1.Two

2.Many

3.One

4.None

Question 4 of 10

Question 5 of 10

5. The process of gaseous exchange involves:

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

2.Breakdown of C-H bonds to yield energy

3.Getting oxygen from the air and removing carbon dioxide

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

Question 5 of 10

Question 6 of 10

6. Where does the gaseous exchange occur in humans?

1.Alveoli

2.Bronchi

3.Trachea

4.Pharynx

Question 6 of 10

Question 7 of 10

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

1.Oxygen in muscles

2.Oxygen in blood

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

1.Pneumonia

2.Bronchitis

3.Asthma

4.Emphysema

Question 9 of 10

Question 10 of 10

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

1.Nasal cavity

2.Diaphragm

3.Bronchus

4.Bronchiole

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

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