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Carbon dioxide and oxygen cycle

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

What is carbon dioxide used for?

a)

plants use it to make their food

b)

it's used to make oxygen

c)

people and animals use it to breathe

d)

it's used in baking cookies

2.

What is the chemical compound of carbon dioxide?

a)

CHO2

b)

H2O

c)

O2

d)

CO2

3.

What produces oxygen?

a)

People and animals

b)

All plants

c)

Only green plants

d)

All living organisms

4.

What is the process of plants taking in carbon dioxide and releasing oxygen called?

a)

Respiration

b)

Produce

c)

Photosynthesis

d)

Breathing

5.

What is the name of the food that plants make?

a)

Chlorophyll

b)

Gluten free

c)

Glucose

d)

Chloroplast

6.

What pigment gives plant leaves their green color?

a)

Chloroplast

b)

Chlorox

c)

Chlorophyll

d)

Chancla

7.

What is the action of breathing called?

a)

Respiration

b)

Breathing

c)

Inhaling

d)

Exhaling

8.

A gas that is produced by plants during photosynthesis that animals use for respiration.

a)

Carbon dioxide

b)

Water vapor

c)

Oxygen

d)

Toots

9.

A gas produced by animals during respiration that plants use for photosynthesis.

a)

Oxygen

b)

Toots

c)

Carbon dioxide

d)

Water vapor

10.

Carbon dioxide, water, _____ are used in photosynthesis to produce oxygen and glucose (plant food).

a)

Air

b)

Sunlight

c)

Water

d)

Glucose

11.

Plants and animals are interdependent of each other.

a)

True

b)

False

12.

A set of events that happen over and over.....

a)

Repetitive

b)

Cycle

c)

Loop

d)

Deja Vu