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Respiratory System Quiz_Grade 5_BES

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

Which part of the respiratory system is primarily responsible for filtering air?

a)

Windpipe

b)

Lungs

c)

Nose

d)

Diaphragm

2.

The windpipe is also known as:

a)

Larynx

b)

Trachea

c)

Bronchus

d)

Pharynx

3.

Where does gas exchange primarily occur in the respiratory system?

a)

Nose

b)

Lungs

c)

Windpipe

d)

Throat

4.

What is the function of the alveoli in the lungs?

a)

To warm the air

b)

To produce mucus

c)

To exchange oxygen and carbon dioxide

d)

To filter particles

5.

Which part of the respiratory system connects the throat to the lungs?

a)

Nose

b)

Windpipe

c)

Alveoli

d)

Bronchi

6.

The primary role of the nose in the respiratory system is to:

a)

Control breathing

b)

Filter, warm, and humidify air

c)

Exchange gases

d)

Produce sounds

7.

The lungs are divided into how many lobes in the right lung?

a)

One

b)

Two

c)

Three

d)

Four

8.

What structure prevents food from entering the windpipe during swallowing?

a)

Trachea

b)

Epiglottis

c)

Alveoli

d)

Bronchi

9.

What happens when the diaphragm contracts?

a)

The lungs collapse

b)

The chest cavity expands

c)

Air is pushed out of the lungs

d)

The nose filters air

10.

Which part of the respiratory system is responsible for producing sound?

a)

Nose

b)

Windpipe

c)

Larynx

d)

Bronchi

11.

How does the nose contribute to respiration?

a)

By cooling the air

b)

By filtering and humidifying the air

c)

By contracting and expanding

d)

By producing mucus only

12.

The windpipe branches into two main tubes called:

a)

Alveoli

b)

Bronchi

c)

Lobes

d)

Trachea

13.

The lungs are located in which part of the body?

a)

Abdomen

b)

Thoracic cavity

c)

Pelvic cavity

d)

Cranial cavity

14.

What is the function of mucus in the respiratory system?

a)

To facilitate gas exchange

b)

To trap dust and microorganisms

c)

To help in sound production

d)

To provide oxygen to the blood

15.

When you breathe out, the diaphragm:

a)

Contracts

b)

Expands

c)

Relaxes

d)

Stays the same

16.

The part of the respiratory system that helps with the exchange of oxygen and carbon dioxide is called:

a)

Bronchi

b)

Alveoli

c)

Windpipe

d)

Larynx

17.

The primary role of the bronchi is to:

a)

Produce sound

b)

Filter the air

c)

Conduct air into each lung

d)

Exchange gases

18.

Which part of the respiratory system is responsible for olfaction (sense of smell)?

a)

Lungs

b)

Windpipe

c)

Nose

d)

Alveoli

19.

Which structure separates the thoracic cavity from the abdominal cavity?

a)

Lungs

b)

Diaphragm

c)

Windpipe

d)

Bronchi

20.

What happens to the rib cage during inhalation?

a)

It collapses

b)

It expands

c)

It remains the same

d)

It hardens