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Cell Energy

Total questions: 40

Worksheet time: 21mins

Name
Class
Date
1.

What is one of the most important differences between plants and animals?

a)

Plants don't need water, but animals do.

b)

Animals can make their own food using sunlight.

c)

Plants do not move, but animals can.

d)

Plants can produce their own food using sunlight.

2.

The green structures found in plant cells that capture sunlight and use it to produce food for the cells are called ...

a)

chloroplasts.

b)

cytoplasm.

c)

vacuoles.

d)

ribosomes.

3.

The green pigment in plant cells that helps to trap the energy of sunlight is ...

a)

chlorophyll.

b)

nucleus.

c)

chloroplast.

d)

melanin.

4.

What do plants need to perform photosynthesis?

a)

oxygen

b)

water

c)

carbon dioxide

d)

sunlight

5.

What are the products of cellular respiration?

a)

Water

b)

Glucose

c)

Oxygen

d)

Carbon Dioxide

6.

The sugar or food molecule produced during photosynthesis is called ...

a)

carbon dioxide.

b)

glucose.

c)

oxygen.

d)

ATP.

7.

How do carbon dioxide and oxygen move into and out of a plant?

a)

Through the roots.

b)

Through large holes in the stem.

c)

Through tiny openings in the leaves called stomata.

8.

In which organelle does cellular respiration occur?

a)

chloroplasts

b)

ribosomes

c)

mitochondria

d)

vacuoles

9.
What are the reactants of photosynthesis?
a)
Glucose and Water
b)
Glucose and Oxygen
c)
Carbon Dioxide and Water
d)
Carbon Dioxide and Glucose
10.
What would stop photosynthesis from occuring?
a)
a very sunny day
b)
not enough carbon dioxide
c)
having too much water
d)
having excess ATP
11.

Anaerobic cellular respiration occurs when not enough oxygen is available to make energy.

a)

True

b)

False

12.
The main form of energy for a cell is
a)
sugar
b)
candy
c)
ATP
d)
GTP
13.
What color is chlorophyll?
a)
Red
b)
Green
c)
Blue
d)
Yellow
14.
What are the products of photosynthesis?
a)
glucose and carbon dioxide
b)
sugar and carbon dioxide
c)
glucose and oxygen
d)
oxygen and water
15.

Organisms that are able to make their own food are called:

a)

heterotrophs

b)

autotrophs

16.

Organisms that have to eat other things in order to get energy are called

a)

heterotrophs

b)

autotrophs

17.

What process occurs inside of mitochondria?

a)

mitochondresis

b)

fermentation

c)

photosynthesis

d)

cellular respiration

18.

If your body needed to do anaerobic respiration what would be the side effect?

a)

extra energy

b)

lucid muscles

c)

build up of lactic acid

d)

constant hunger

19.
What term means without oxygen?
a)
aerobic
b)
hydrophobic
c)
anaerobic
d)
hydrophillic
20.

Photosynthesis gives what to humans?

a)

oxygen

b)

food

c)

energy

d)

all of these

21.

Which organelle performs photosynthesis?

a)

Chloroplast

b)

Mitochondria

22.

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

23.
What process occurs when light energy is captured in autotrophs and converted into sugar?
a)
Photosynthesis
b)
Cellular Respiration
24.

What is the ultimate ORIGINAL source of energy for living things?

a)

Mars

b)

Sun

c)

Moon

d)

Earth's core

25.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
26.

Which of the following is an example of an autotroph?

a)

Appletree

b)

Dog

c)

Mushroom

d)

Human

27.

Which of the following is an example of a heterotroph?

a)

Grass

b)

Algae

c)

Lemon Tree

d)

Bear

28.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
29.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
30.
What is photosynthesis?
a)
The process in which humans eat their food
b)
When a photographer takes a photo.
c)
To get your pictures from the photo lab.
d)
The process in which plants make their food.
31.
Leaves look green because.....
a)
they eat their vegetables
b)
to blend into their environment
c)
they contain a molecule named chlorophyll
d)
they are sick
32.
Where does cellular respiration take place in the cell?
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Vacuole
33.
What is the purpose of cellular respiration?
a)
to break down food
b)
to create energy in the body
c)
to release energy from food
d)
there is none; it's a waste of time
34.

Cellular respiration happens in which two places?

a)

cytoplasm and mitochondria

b)

chlorplast and mitochondria

c)

chloroplast and stomata

d)

chloroplast and cytoplasm

35.
How are photosynthesis and cellular respiration related?
a)
They have opposite equations
b)
they have the same equation
c)
they both produce carbon dioxide
d)
they both produce oxygen
36.
What gas is released into the air during cellular respiration?
a)
oxygen
b)
carbon dioxide
c)
water 
d)
glucose
37.
The mitochondria is responsible for ...
a)
photosynthesis
b)
anaerobic respiration
c)
aerobic respiration
d)
fermentation
38.

True or False:

Both plant cells and animal cells depend on cellular respiration for their energy needs.

a)

True

b)

False

39.

Which type of cellular respiration is faster?

a)

anaerobic

b)

aerobic

40.

Which type of cellular respiration produces much more ATP energy?

a)

aerobic

b)

anaerobic

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