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SCIENCE CLASS-7 RESPIRATION IN ORGANISMS

Total questions: 15

Worksheet time: 7mins

Name
Class
Date
1.

Air tubes in insects are also called ___________.

a)

Trachea

b)

Lungs

2.

Frogs breath through ___________ when they have tadpoles

a)

Leg

b)

Muscles

c)

Gills

3.

What is the organ used in plants for respiration ?

a)

Gills

b)

Stomata

c)

Lungs

4.

Trachea is used in cockroach for exchange of gasses.

a)

True

b)

False

5.

What are the products of aerobic respiration?

a)

Carbon Dioxide and Energy

b)

Lactic Acid

c)

Water and Carbon Dioxide

d)

Glycogen and Carbon Dioxide

6.

During inhalation diaphragm moves

a)

Down

b)

Left

c)

Right

d)

Up

7.

What are the products of anaerobic respiration in a human cell?

a)

Energy and Lactic Acid

b)

Lactic Acid

c)

Lactic Acid and Carbon Dioxide

d)

Carbon Dioxide and Water

8.

During heavy exercise when supply of oxygen to our muscles is insufficient food breakdown is by

a)

anaerobic respiration

b)

aerobic respiration

c)

cellular respiration

9.

Lungs are present in the

a)

Chest Cavity

b)

Nasal cavity

c)

Respiration

d)

Diaphragm

10.

Cellular Respiration takes place in

a)

anaerobes

b)

Cells of all organisms

c)

Animals

d)

Humans

11.

When breakdown of glucose occurs with the use of oxygen it is called

a)

aerobic respiration

b)

anaerobic respiration

c)

cellular respiration

d)

anaerobes

12.
What is the organ "x"
a)
Heart
b)
Lungs
c)
Diaphragm
d)
Trachea
13.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
14.
Anaerobic respiration.....
a)
doesn't require CO2
b)
requires CO2
c)
doesn't require oxygen
d)
requires oxygen
15.

The process of breaking down of food in the cell with release of energy is called

a)

Digestion

b)

Cellular respiration

c)

Circulation

d)

Excretion