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Photosynthesis & Cellular Respiration

Total questions: 53

Worksheet time: 28mins

Name
Class
Date
1.
What are the raw materials of photosynthesis?
a)
oxygen and carbon dioxide
b)
oxygen and glucose
c)
carbon dioxide and water
d)
water and glucose
2.
What are the products of photosynthesis?
a)
oxygen and carbon dioxide
b)
oxygen and glucose
c)
carbon dioxide and water
d)
water and glucose
3.
In which organelle does photosynthesis occur?
a)
mitochondria
b)
cell membrane
c)
nucleus
d)
chloroplasts
4.
Because plants carry out photosynthesis, they are considered _____.
a)
heterotrophs
b)
autotrophs
c)
consumers
d)
unicellular
5.
What is the chemical formula for glucose?
a)
C6H12O6
b)
C6H6O12
c)
C12H6O12
d)
C6O2H6
6.
What is the chemical formula for water?
a)
H2O
b)
HO2
c)
CHO2
d)
CO2H
7.
What is the chemical formula for carbon dioxide?
a)
H2O
b)
CO2
c)
CHO2
d)
CO2H
8.
What is the chemical formula for oxygen?
a)
H12O2
b)
C6O2
c)
O3
d)
O2
9.

Why do plants need sunlight for photosynthesis?

a)

The light creates heat needed for photosynthesis to occur

b)

The light provides the energy needed to power photosynthesis

c)

Plants can't absorb carbon dioxide in darkness

d)

Plants can't absorb water in darkness

10.

Why are plants usually green?

a)

Because the chlorophyll reflects green light

b)

Because the chlorophyll absorbs green light

c)

Because the accessory pigments combine to make green

d)

Because the accessory pigments only absorb green light

11.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
12.

Does the following definition describe photosynthesis or cellular respiration?

"The process by which plants capture energy from the sun and use it to make food"

a)

photosynthesis

b)

cellular respiration

13.

Does the following definition describe photosynthesis or cellular respiration?

"The process by which cells obtain energy from glucose"

a)

photosynthesis

b)

cellular respiration

14.

Does the following equation refer to photosynthesis or cellular respiration? glucose + oxygen --> carbon dioxide + water + energy

a)

photosynthesis

b)

cellular respiration

15.

Does the following equation refer to photosynthesis or cellular respiration? sunlight + carbon dioxide + water --> glucose + oxygen

a)

photosynthesis

b)

cellular respiration

16.

Cellular Respiration's goal is to

a)

make water

b)

make energy

c)

make glucose

d)

make oxygen

17.
What gas is released into the air during cellular respiration?
a)
oxygen
b)
carbon dioxide
c)
water 
d)
glucose
18.

What gas is released into the air during photosynthesis?

a)

oxygen

b)

carbon dioxide

c)

water

d)

glucose

19.

C6H12O6 is the chemical formula for

a)

Carbon Dioxide

b)

Water

c)

Oxygen

d)

Glucose

20.

Is OXYGEN a product of photosynthesis or cellular respiration?

a)

photosynthesis

b)

cellular respiration

21.

O2 is the chemical formula for

a)

Oxygen

b)

Carbon Dioxide

c)

Glucose

d)

Water

22.

Is CARBON DIOXIDE a product of photosynthesis or cellular respiration?

a)

photosynthesis

b)

cellular respiration

23.

Is GLUCOSE a reactant of photosynthesis or cellular respiration?

a)

photosynthesis

b)

cellular respiration

24.

Is WATER a reactant of photosynthesis or cellular respiration?

a)

photosynthesis

b)

cellular respiration

25.

What are the reactants of cellular respiration? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

energy

26.

What are the products of cellular respiration? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

energy

27.

What are the reactants of photosynthesis? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

sunlight

28.

What are the products of photosynthesis? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

sunlight

29.
What is the sugar that carbs are broken down to?
a)
sucrose
b)
maltose
c)
glucose
d)
lactose
30.
What main food group do we get most of our energy from?
a)
proteins
b)
carbs
c)
meats
d)
nucleic acids
31.
What is the energy molecule?
a)
DNA
b)
ATP
c)
RNA
d)
AAA
32.
What is the energy organelle?
a)
nucleus
b)
mitochondria
c)
ribosomes
d)
lysosomes
33.
The splitting of the glucose molecule is called?
a)
synthesis
b)
denaturalization
c)
glycolysis
d)
dissolving
34.
To get the most ATP molecules for energy in cellular respiration, you have to have lots of ?
a)
hydrogen
b)
oxygen
c)
carbon dioxide
d)
water
35.
The waste gas given off by cellular respiration is?
a)
oxygen
b)
carbon dioxide
c)
nitrogen
d)
methane
36.
After cellular respiration is complete, on 38% of the energy in glucose is used. What happens to the rest of the energy?
a)
released as heat
b)
stored for later use
c)
eliminated by the digestive system
d)
turned into protein
37.
The purpose of cellular respiration is to produce ?
a)
energy
b)
oxygen
c)
sugar
d)
protein
38.

In which way are photosynthesis and cellular respiration similar?

a)

Both processes destroy energy.

b)

Both create energy.

c)

Photosynthesis breaks down sugar while cellular respiration produces sugar.

d)

Both processes transfer energy from one form to another.

39.

What is the correct equation for cellular respiration?

a)

oxygen + sugar -> carbon dioxide + water + Energy

b)

carbon dioxide + sugar + Energy -> carbon dioxide + water

c)

carbon dioxide + water -> oxygen + sugar + Energy

d)

carbon dioxide + water + Energy -> oxygen + sugar

40.

What is important about cellular respiration?

a)

It produces energy from the sun.

b)

It forms sugar.

c)

It transforms sugar into a usable form of energy (ATP)

d)

Only plants perform this process.

41.

What's the chemical formula for glucose?

a)

6C6H12O6

b)

C12H6O12

c)

C6H12O6

d)

CHO

42.

Which organ excretes (gets rid of) carbon dioxide?

a)

Lungs

b)

Liver

c)

Heart

d)

Kidney

43.
What happens to your breathing rate when you exercise?
a)
It increases
b)
It decreases
c)
It stays the same
44.

One molecule needed for cellular respiration is

a)

carbon dioxide

b)

glucose

c)

water

d)

chlorophyll

45.

One molecule produced by animals during cellular respiration is

a)

carbon dioxide

b)

glucose

c)

oxygen

d)

chlorophyll

46.

Cellular respiration is

a)

a chemical reaction and NOT the same as breathing

b)

the movement of air in and out of the lungs

c)

not a chemical reaction

47.

Number of times we breathe in a minute is called

a)

Breathing rate

b)

Heart rate

c)

pulse

d)

exhalations

48.
The following diagram shows the relationship between photosynthesis and respiration.  What products of photosynthesis are starting material for cellular respiration?
a)
glucose and oxygen
b)
heat energy and ATP
c)
carbon dioxide and water
d)
light energy and chlorophyll
49.
How are plant cells different from animal cells?
a)
Only plant cells can grow
b)
Only animal cells can reproduce
c)
Only animal cells can store energy
d)
Only plant cells can perform photosynthesis
50.

Your food is digested into ______________.

a)

Hamburgers

b)

Glucose

c)

Fructose

d)

Sucrose

51.

Glucose molecules store _____________.

a)

chemical energy

b)

kinetic energy

c)

gravitational potential energy

d)

heat energy

52.

The energy stored in glucose is transferred to ________________.

a)

A molecule known as ATP

b)

A molecule known as ADP

c)

water molecules

d)

oxygen molecules

53.

Where does aerobic cellular respiration occur in cells?

a)

Mitochondria

b)

cytoplasm

c)

nucleus

d)

Chloroplast

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