Free Printable 2.o Respiration

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2.o Respiration

Total questions: 18

Worksheet time: 9mins

Name

Class

Date

The place in the lungs where oxygen and carbon dioxide are exchanged

Diaphragm

Alveolus

Bronchi Tube

Trachea

When you breathe, your lungs take in ___ and remove ___.

air/oxygen

oxygen/carbon dioxide

carbon dioxide/waste

waste/air

The two main branches from the trachea (one to each lung)

bronchi

alveoli

capillaries

bronchioles

Letter D is pointing to which Respiratory organ?

Alveoli

Diaphragm

Lung

Bronchi

What type of cells carry oxygen?

red blood cells

white blood cells

neurons

What does the cilia do in the respiratory syestem ?

The cilia carries food and air through the respiratory system.

The cilia is known to be part of a cell.

Cilia filters particles that enter the nose.

Cilia contains the vocal chords.

When inhaling, the diaphragm muscle contracts causing the volume of the chest cavity to _____________, which causes pressure in the lungs to ________________, and air to move _______.

increase / decrease / in

increase / increase / in

decrease / increase / out

decrease / decrease / out

When exhaling, the diaphragm muscle relaxes causing the volume of the chest cavity to _____________, which causes pressure in the lungs to ________________, and air to move _______.

increase / decrease / in

increase / increase / in

decrease / increase / out

decrease / decrease / out

What is cellular respiration?

the use of oxygen and glucose to release energy

the breakdown of glucose to release nutrients

the breakdown of glucose to release oxygen

10.

The composition of the oxygen in inhaled air is

21%

16%

0.04%

11.

What is diffusion process?

Molecules move from a region of lower concentration to a region of higher concentration

Molecules move from a region of higher concentration to a region of lower concentration

12.

What is the name of the compound found in the red blood cells

Oxyhaemoglobin

Haemoglobin

Hormones

Enzymes

13.

How do plants breathe?

Through the stem

Through the stomata

Through the chloroplast

14.

Name this process

respiration

photosynthesis

gaseous exchange

15.

Diagram 2 shows an insect. The insect respiratory system is through the organ of

Lungs

Trachea

Membrane cell

Alveolus

16.

What is represented by cotton in Diagram 3?

Trachea

Bronchus

Lungs

Diaphragm

17.

What is Y?

Stomata

Guard cell

Nucleus

Mitochondria

18.

Stoma will _________ in the presence of light (photosynthesis process) and __________ when it becomes dark or too much water loss especially on a hot day.

close , close

close , open

open , open

open, close

100 %

2.o Respiration

Total questions: 18

Worksheet time: 9mins

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