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7.4 Mid Unit Review

Total questions: 20

Worksheet time: 13mins

Name
Class
Date
1.
What is photosynthesis?
a)
The process plants use to turn carbon dioxide and water into food.
b)

The process plants use to make chlorophyll and air. 

c)
The process plants use to turn sunlight and chlorophyll into soil.
d)
The process plants use to turn chocolate and milk into chocolate milk.
2.

(a)   is a simple sugar that is produced in photosynthesis.

3.
Where does photosynthesis take place?
a)
The leaves.
b)
The roots.
c)
The branches.
d)
The kitchen.
4.

How does most of the water needed by the plant get into its leaves?

a)

It enters through the stomata

b)

The roots absorb it and then it travels up the stem

c)

It's made during a chemical reaction in the leaf

d)

The flowers capture water and deliver it to the leaves

5.

Carbon dioxide gets into the leaves of a plant through the (a)   .

6.

Select all that are products (produced by) of photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

7.

Which organelle is responsible making food (glucose) using sunlight?

a)

Cytoplasm

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

8.

The energy contained in sugar was once energy from what?

a)

Water

b)

Air

c)

Sun

d)

Battery

9.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
10.

New water molecules are created during photosynthesis.

a)

TRUE

b)

FALSE

11.

Water is an output of Photosynthesis.

a)

TRUE

b)

FALSE

12.

In which organelle does photosynthesis take place?

a)

Nucleus

b)

Mitochondria

c)

Chloroplast

d)

Ribosome

13.
What is the primary role of photosynthesis in plants?
a)
A. Producing oxygen for animals
b)
B. Breaking down food for energy
c)
C. Recycling nutrients in the soil
d)
D. Converting light energy into food
14.
Which of these are plant inputs for photosynthesis?
a)
water
b)
carbon dioxide
c)
sunlight
d)
oxygen
15.

Plants create their own (a)   molecules through photosynthesis.

16.

Whole food molecules do not enter or exit plants.

a)

True

b)

False

17.

What structures in plant cells move around in response to sunlight?

a)

Chloroplasts

b)

Stomata

c)

Mitochondria

d)

Cell membrane

18.

What is a chemical reaction?

a)

cells blow up and create new cells

b)

molecules break apart and atoms are rearranged to create new stuff.

c)

two chemicals mixed together make two new chemicals

d)

All chemical reactions need sunlight in order to work.

19.

What chemical reaction is happening here?

(a)  

20.

Which of the following are plant OUTPUTS? (Physically leave the plant)

a)

Oxygen

b)

Carbon Dioxide

c)

Water

d)

Sunlight

e)

Glucose