MCQ Questions

Chapter

Question No. 1

What is a balanced diet? Why there isn’t a standard balanced diet for everyone?

Answer :

trachea, larynx, bronchi, bronchioles, alveoli

trachea, larynx, bronchioles, bronchi, alveoli

) larynx, trachea, bronchi, bronchioles, alveoli

larynx, trachea, bronchioles, bronchi, alveoli

Question No. 2

The scientific name for the voice box is–

Answer :

trachea

epiglottis

vocal fold

larynx

Question No. 3

The scientific name for the windpipe is–

Answer :

trachea

larynx

oesophagus

alveolus

Question No. 4

Which of the following is not produced in aerobic respiration?

Answer :

water

carbon dioxide

lactic acid

energy

Question No. 5

Which of the following is not true about breathing?

Answer :

It is a physical process.

It consumes energy

It involves the diaphragm.

It releases energy

Question No. 6

The exhaled air has

Answer :

21% oxygen

100 % oxygen

0.04 % oxygen

16% oxygen

Question No. 7

Intercostal muscles can be found–

Answer :

between the alveoli

in the diaphragm

in the trachea

between the ribs

Question No. 8

Where can we find the larynx?

Answer :

Above the epiglottis

In the alveolus

Below the diaphragm

Below the epiglottis

Question No. 9

Which of the following is not true for exhalation?

Answer :

Diaphram relaxes and moves up (towards the lungs) and becomes like a dome.

Intercostal muscles relax, so the ribs move inwards.

Volume of chest cavity decreases, the lungs contract and there is a rise in air pressure inside the lungs.

Because of low pressure air from the lungs is forced out

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