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Cellular Respiration and the Carbon Cycle

Total questions: 29

Worksheet time: 18mins

Name
Class
Date
1.

The reactants of photosynthesis are

a)

sugar and water.

b)

sugar and oxygen.

c)

carbon dioxide and water.

d)

carbon dioxide and oxygen.

2.
What are the products of photosynthesis?
a)
Carbon dioxide and water
b)
Carbon dioxide and oxygen
c)
Glucose and oxygen
d)
Glucose and water
3.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
6CO2 + 6H2O --> 6O2 + C6H12O6
b)
6CO2 + C6H12O6 + 6H2O --> O2 
c)
6O2 + 6H2O --> 6CO2 + C6H12O6
d)
C6H12O6 + 6O2 ---> 6H2O + 6CO2 
4.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
5.
What gas is released by plants during photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
6.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
7.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
8.
What are the reactants in the equation for cellular respiration?
a)
oxygen and lactic acid
b)
carbon dioxide and water
c)
glucose and oxygen
d)
water and glucose
9.
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
10.
What is cellular respiration?
a)
the breakdown of glucose  to release ATP
b)
the breakdown of glucose to release NADH
c)
the breakdown of glucose to release FADH
d)
the breakdown of glucose to release carbon
11.
All living things do which of the following?
a)
Chemosynthesis
b)
Respiration
c)
photosynthesis
d)
all of the answers
12.
How does the carbon in grass become part of a lion?
a)
The lion eats the grass
b)
Carbon from grass doesn't end up in a lion. 
c)
The carbon ends up in the lion's food chain. 
d)
The lion breathes in carbon given out by the plant
13.

oxygen is a gas produced by _____ and used by ________

a)

plants and animals

b)

photosynthesis and carbon dioxide

c)

animals and plants

d)

carbon dioxide and photosynthesis

14.
carbon dioxide is a gas produced  by ________ and used by __________
a)
plants and animals 
b)
carbon and photosynthesis
c)
animals and plants 
d)
photosynthesis
15.

How do plants affect the air that animals and people breathe?

a)

Plants use oxygen from the air to make their own food

b)

Plants release pollution into the air

c)

Plants take in carbon dioxide and release oxygen

d)

Plants take in oxygen and release carbon dioxide

16.

Which describes the relationship between plants and animals in the carbon cycle?

a)

Plants produce and release oxygen that animals need

b)

Plants produce and release carbon dioxide that animals need

c)

Animals produce and release oxygen that plants need

d)

Animals produce oxygen that plants turn into carbon dioxide

17.

Living systems obey the law of conservation of energy. Which of the following statements does NOT summarize a

key idea of this law?

a)

During an ordinary chemical reaction no energy is created.

b)

Energy can be changed in form during a chemical reaction.

c)

During an ordinary chemical reaction no energy is destroyed.

d)

Energy can be destroyed during an ordinary chemical reaction.

18.
What are the REACTANTS for cellular respiration?
a)
oxygen and carbon dioxide
b)
water and glucose
c)
carbon dioxide and water
d)
glucose and oxygen
19.
What are the PRODUCTS for cellular respiration?
a)
oxygen and ATP (energy)
b)
water and glucose and ATP (energy)
c)
carbon dioxide and water and ATP (energy)
d)
glucose and oxygen
20.
The products of photosynthesis are the
a)
products of cellular respiration.
b)
reactants of cellular respiration.
c)
products of glycolysis.
d)
reactants of fermentation.
21.
How are cellular respiration and photosynthesis almost opposite processes?
a)
Photosynthesis releases energy, and cellular respiration stores energy.
b)
Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back.
c)
Photosynthesis removes oxygen from the atmosphere, and cellular respiration puts it back.
d)
all of the above
22.
What process occurs when light energy is captured in autotrophs and converted into sugar?
a)
Photosynthesis
b)
Cellular Respiration
23.
What process occurs when sugar is converted into ENERGY (ATP)
a)
Photosynthesis
b)
Cellular Respiration
24.
A consumer gets energy by doing what?
a)
Making it themselves.
b)
Breaking down biotic wastes and dead organisms and returning raw materials to the ecosystem.
c)
Soaking it up from the ground.
d)
Feeding on other organisms.
25.
The energy role that break down biotic wastes and dead organisms is?
a)
Consumer
b)
Producer
c)
Scavenger
d)
Decomposer
26.
Which of the following organisms are typical decomposers?
a)
grasses and ferns
b)
mushrooms and bacteria
c)
mice and deer
d)
lions and snakes
27.
Where do producers get their energy?
a)
the ground
b)
other animals
c)
decomposers
d)
The Sun
28.

what process releases carbon into the atmosphere?

a)

Cellular Respiration

b)

Photosynthesis

c)

Burning fossil fuels

d)

Both A and C

29.

If a plant can not take in sunlight or perform photosynthesis which of the following will happen

a)

it will stop releasing CO2

b)

it will use its roots to find other energy sources

c)

growth will slow down or stop

d)

it will develop longer stems to take in more sunlight

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