MULTIPLE CHOICE ANSWERS( CHAPTER 1 gaseous exchange) 10TH CLASS

REVIEW QUESTIONS
MULTIPLE CHOICE

1. The process of gaseous exchange involves,

a) Breakdown of C-H bonds to yield energy

b) physical movements that take air in and out of body

c) Getting oxygen from the air and removing carbon dioxide

d) Transport of oxygen by the blood to different parts of the parts of the body

2. Most of the gaseous exchange in a leaf occurs through

a) Stomata

b) Cuticle

c) General surtace

d) Lenticels

3: how  many bronchi are there in the air passageway?

a) One

b) Two

c) Many

d)None

4)where does the gaseous exchange occur human?

a) Pharynx

b) Trachea 

c) Bronchi

d) Alveoli

5 Which structure actively helps in taking the air out of lungs

a) Nasal cavity

b) Bronchus

C) Bronchiole

D) Diaphragm

6) the primary chemical stmulus for breathing is the concentration of,

a) Carbon dioxide in blood

b) Oxygen in blood

c) Carbon dioxide in muscles

d) Oxygen in muscles

7.Point Out the FALSE statement about respiration.

a) Gases can easily pass through the walls of the alveoli

b)Gas exchange in lungs is very efficient because lungs provide large surface area

C) in emphysema ,  the walls of alveoli break and there is more surface area

d) Dust particles can damage the lung by irritating the inner alveoli surface

8. a disease involving the breakdown of air sacs of the lungs is

a)pneumonia 

b) Bronchitis

C)Asthma

d) Emphysema

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

a) Trapping of large dust particles

b) Humidification of the inhaled air

c) Warming of the inhaled air

d) Exchange of gases

10. What type of blood vessels surrounds the alveoli?

a)Artery

b) Arteriole

c)Capillary

d) vein