WorksheetsPhotosynthesis
Total questions: 13
Worksheet time: 9mins
Name
Class
Date
1.
How many raw materials (ingredients) does photosynthesis require?
a)
1
b)
2
c)
3
d)
4
2.
How many products are produced during photosynthesis?
a)
1
b)
2
c)
3
d)
4
3.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
4.
Select all that are raw materials for Photosynthesis.
a)
Water
b)
Carbon Dioxide
c)
Oxygen
d)
Sunlight (Light Energy)
e)
Glucose (Sugar/food)
5.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
6.
The process by which plants release water through the pores in their leaves is called...
a)
accumulation
b)
dormancy
c)
photosynthesis
d)
transpiration
7.
Which factor would not increase the production of glucose by photosynthesis in plants?
a)
freezing temperatures
b)
extra rainfall
c)
increased carbon dioxide levels
d)
increased sunlight exposure
8.
CO2 is a greenhouse gas, therefore it can impact climate by:
a)
Allow plants to grow really well
b)
Breaking down ozone
c)
Trap heat in the atmosphere
d)
Stabilize earth's seasonal variations
9.
Which layer in the atmosphere protects us form harmful UV radiation?
a)
Ozone
b)
Troposphere
c)
Ionosphere
d)
Exosphere
10.
The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?
a)
lower levels of ozone in the atmosphere
b)
lower levels of nitrogen in the atmosphere
c)
higher levels of carbon dioxide and other greenhouse gases in the atmosphere
d)
higher levels of oxygen in the atmosphere
11.
At the highest levels in our atmosphere, the oxygen produced from photosynthesis transforms into
a)
Ozone
b)
Magnetic Field
c)
CO2
d)
H2O
12.
If carbon dioxide is completely removed from a plant’s environment, what would you expect to happen to the plant’s production of high-energy sugars (rate of photosynthesis)?
a)
Sugar production will likely increase.
b)
Sugars will not be produced.
c)
The rate of sugar production will decrease .
d)
Fewer sugars will be produced at first, but then the plant will recover.
13.
What are the bubbles rising in the test tube?
a)
nitrogen gas
b)
carbon dioxide gas
c)
glucose
d)
oxygen gas
100 %
