Worksheets2023 2024 Photosynthesis and Respiration test
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
Organisms convert energy stored in food into a form of energy that cells can use through a process called ____.
a)
photosynthesis
b)
respiration
2.
Plant cells make glucose molecules from
a)
carbon dioxide and oxygen
b)
glucose
c)
water and hydrogen
d)
carbon dioxide and water
3.
The energy that powers photosynthesis comes from _____.
a)
light given off by the sun
b)
collisions of gas molecules in the air
c)
the breakdown of sugar molecules inside plant cells
d)
chlorophyll absorbed through the soil
4.
The process by which energy from the sun is transformed into chemical energy is
a)
Photosynthesis
b)
Chloroplasts
c)
Glucose
5.
The molecule in which the chemical energy is stored in cells after photosynthesis
a)
Photosynthesis
b)
Chloroplasts
c)
Glucose
6.
Where in the cell does photosynthesis take place?
a)
Photosynthesis
b)
Chloroplasts
c)
Glucose
7.
Glucose and oxygen are the _____ of photosynthesis. (Does photosynthesis REquire them or PRODuce them?)
a)
Photosynthesis
b)
Products
c)
Chloroplasts
d)
Reactants
8.
The _____ gives off energy that is received by the Earth's surface.
a)
sun
b)
plants
c)
chloroplasts
d)
moon
9.
Plant cells contain organelles called ______ that are filled with chlorophyll.
a)
chloroplasts
b)
mitochondria
c)
nuclei
10.
During photosynthesis, plants take in sunlight, _____, and _______, and produce _____ and oxygen. (Choose the answer that has the responses listed in the correct order to fill in the blanks.)
a)
glucose, water, carbon dioxide
b)
water, carbon dioxide, glucose
c)
carbon dioxide, glucose, water
11.
The process of respiration takes place in
a)
animals
b)
plants
c)
both plants and animals
d)
neither plants nor animals
12.
Why is photosynthesis important to plants?
a)
They make food.
b)
They produce oxygen.
c)
They use up carbon dioxide.
d)
They gather energy from the sun.
13.
Why is photosynthesis important to animals?
a)
So they can make food.
b)
It's how they produce oxygen.
c)
It's how they use carbon dioxide.
d)
It's how they access energy from the sun.
14.
Why is respiration important to plants?
a)
They make food.
b)
They produce oxygen.
c)
They use up carbon dioxide.
d)
They get energy from the food.
15.
Which of the following is true?
a)
Plants release CO2 during respiration.
b)
Plants release CO2 during photosynthesis.
c)
Humans release CO2 during photosynthesis.
d)
Humans release oxygen during respiration.
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