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The Mullberry Tree and the Silkworm

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

What process allows producers to make energy storage molecules?

a)

Cellular respiration

b)

Photosynthesis

c)

Fermentation

d)

Digestion

2.

Why do producers need to use energy storage molecules?

a)

To perform photosynthesis

b)

To release energy through cellular respiration

c)

To absorb sunlight

d)

To produce oxygen

3.

What do producers do with extra energy storage molecules?

a)

Store them indefinitely

b)

Use them to build stems, leaves, and roots

c)

Convert them into oxygen

d)

Release them into the atmosphere

4.

What is an important food source for silkworms?

a)

Oak trees

b)

Pine trees

c)

Mulberry trees

d)

Maple trees

5.

What must mulberry trees do to support silkworms?

a)

Release more carbon dioxide than they take in

b)

Take in more carbon dioxide than they release

c)

Use more energy storage molecules than they make

d)

Release more oxygen than they take in

6.

How do silkworms obtain energy storage molecules?

a)

By eating leaves from mulberry trees

b)

By absorbing sunlight

c)

By drinking water

d)

By breathing air

7.

Photosynthesis occurs in:

a)

Mitochondria

b)

Chloroplasts

c)

Humans

d)

Animals

8.

What are the reactants in Photosynthesis?

a)

Sun, CO2, glucose

b)

glucose and oxygen

c)

sun, carbon dioxide, water

d)

water, glucose

9.

For photosynthesis, a plant needs water, sun, and...

a)

oxygen

b)

carbon dioxide

c)

glucose

d)

mitochondria

10.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO+ light + H2O --> O+ Sugar
b)
CO+ sugar + H2O --> O+ light
c)
O2 + light + H2O --> CO+ Sugar
d)
CO+ O2 + H2O --> Light+ Sugar
11.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
12.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport