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Photosynthesis & Respiration

Total questions: 23

Worksheet time: 23mins

Name
Class
Date
1.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
2.
What is the name of the simple sugar that is produced in photosynthesis?
a)
Sucrose
b)
Dextrose
c)
Glucose
d)
Lactose
3.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
4.
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.
5.

Where do plants get the energy for photosynthesis to take place?

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

6.
Which sentence correctly describes photosynthesis. (assume there is enough sunlight)
a)
CO2 and water combine and make O2 and glucose
b)
O2 and water combine to make glucose and CO2
c)
O2 and CO2 combine to make water and glucose
d)
CO2 and glucose combine to make O2 and water
7.
What characteristic sets heterotrophs apart from autotrophs?
a)
Heterotrophs can be classified only as mammals.
b)
Heterotrophs use energy from the sun to make their own food.
c)
Heterotrophs obtain food from consuming other living or once-living things.
d)
Heterotrophs obtain food through the process of photosynthesis.
8.
What is the organelle that contains the chlorophyll used in photosynthesis ?
a)
mitochondria
b)
ribosome
c)
chloroplast
d)
nucleus
9.
What is the "waste" gas (product) produced during photosynthesis?
a)
oxygen
b)
nitrogen
c)
helium
d)
hydrogen
10.

What are autotrophs?

a)

organisms that make their own food using photosynthesis

b)

organisms that cannot make their own food

11.

What are heterotrophs?

a)

Organisms that can use make food using photosynthesis

b)

Organisms that cannot use photosynthesis

12.

Which organism go through cellular respiration?

a)

animals

b)

plants

c)

both animals and plants

d)

none

13.

Cellular Respiration occurs in what cell organelle?

a)

chloroplast

b)

cytoplasm

c)

mitochondria

d)

animal

14.
The waste gas given off by cellular respiration is?
a)
oxygen
b)
carbon dioxide
c)
nitrogen
d)
methane
15.

Which of these is an input for cellular respiration?

a)

Oxygen

b)
Carbon Dioxide
c)
Sunlight
d)
Water
16.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
17.

Every time you exhale (breathe out), your body is getting rid of __________________

a)

glucose

b)

protein

c)

carbon dioxide

d)

oxygen

18.

If carbon dioxide is removed from a plant’s environment, what would you expect to happen to its production

of high-energy sugars?

a)

More sugars will be produced.

b)

No sugars will be produced.

c)

The same number of sugars will be produced but without carbon dioxide.

d)

Carbon dioxide does not affect the production of high-energy sugars in plants.

19.

Photosynthesis is to chloroplasts as cellular respiration is to

a)

chloroplasts.

b)

cytoplasm.

c)

mitochondria.

d)

nucleus.

20.

Which of the following is released during cellular respiration?

a)

oxygen

b)

air

c)

energy

d)

lactic acid

21.

Cellular respiration releases energy by breaking down

a)

food molecules.

b)

ATP.

c)

carbon dioxide.

d)

water.

22.

Which of these is a product of cellular respiration?

a)

oxygen

b)

water

c)

glucose

d)

all of the above

23.

The products of photosynthesis are the

a)

products of cellular respiration.

b)

reactants of cellular respiration.

c)

products of glycolysis.

d)

reactants of fermentation.