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Photosynthesis

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

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

a)

Cell Membrane

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

2.

Select all the reactants (inputs) for Photosynthesis that are matter.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

3.

Select all that are products of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

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.
Why do plants conduct photosynthesis?
a)
To make light
b)
To make mitochondria
c)
To make glucose
d)
To release carbon dioxide
6.

Which of these conditions would decrease the rate of photosynthesis in a plant?

a)

Above average precipitation

b)

Changing the daylight hours from 14 hrs to 10 hrs

c)

Changing the CO2 concentration from 380 ppm to 410 ppm

d)

All of these choices

7.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

light + carbon dioxide + water --> glucose + oxygen

b)

carbon dioxide + sugar + water --> oxygen + light

c)

oxygen + light + water --> carbon dioxide + sugar

d)

carbon dioxide + oxygen + water --> Light+ Sugar

8.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
9.

What molecule (pigment) absorbs sunlight for photosynthesis?

a)

chloroplast

b)

thylakoid

c)

grana

d)

chlorophyll

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.
Glucose is a ...
a)
sugar
b)
carbohydrate
c)
source of quick energy
d)
all are correct
13.
The leaf structure that allows carbon dioxide to enter the leaf and Oxygen to exit the leaf is...
a)
phloem
b)
stomata
c)
vein
d)
stem
14.

The Law of Conservation of Mass states that the total amount of matter stays the same during any physical or chemical change.

a)

True

b)

False