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Respiration

Total questions: 20

Worksheet time: 14mins

Name
Class
Date
1.

Energy produced during respiration is

a)

ATP

b)

Heat

c)

Both

d)

None of the above

2.

Full form of ATP is

(a)  

3.

Wind pipe is also known as----------

(a)  

4.

With increase in altitude

a)

Oxygen level increases

b)

Oxygen level decreases

c)

No change in oxygen level

d)

Oxygen level increases and then decreases

5.

What is the process through which oxygen enters capillary from air sac

a)

Osmosis

b)

Electrolysis

c)

Diffusion

d)

Reverse osmosis

6.

Which part is also known as vocal cord

a)

Trachea

b)

Larynx

c)

Diaphragm

d)

Pharynx

7.

What is the level of organization of respiratory system

a)

Atomic level

b)

Tissue level

c)

Organ system level

d)

Organ level

8.

The air sac present in lungs are also called-------------

(a)  

9.

Lungs are the best organ for gas exchange because

a)

Large surface area

b)

Dense capillary network

c)

One layer thick air sacs

d)

all of the above

10.

Red color pigment in RBCs is

(a)  

11.

RBCs are efficient oxygen carriers because

a)

Very small size

b)

No nucleus

c)

No mitochondria

d)

No cell membrane

e)

large vacuole

12.

The process through which WBCs kill pathogens is called (a)  

13.

The chemicals released by WBCs to kill pathogens are -------------------

(a)  

14.

Compound used to identify presence of carbon dioxide

a)

Lime water

b)

Lime juice

c)

Sodium chloride

d)

Sodium hydroxide

e)

None of the above

15.

Thermal camera detects ______________

a)

Geothermal energy

b)

Electric waves

c)

Temperature

d)

Electromagnetic waves

e)

Colours

16.

What changes occur during inhalation

a)

Intercostal muscles contract

b)

Diaphragm return to its normal domed shape

c)

Chest cavity volume increases

d)

Air squeezed out of lungs

17.

Reactants in respiration are

a)

Glucose and Oxygen

b)

Glucose and Water

c)

Carbon dioxide and Water

d)

ATP and Oxygen

18.

The air we inhale contains

a)

More oxygen

b)

More carbon dioxide

c)

More water vapour

d)

Similar to air around us

19.

Exhaled air contains

a)

More carbon dioxide, less oxygen

b)

More oxygen , less carbon dioxide

c)

Only carbon dioxide

d)

Only oxygen

20.

RBCs are also known as---------

(a)