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Photosynthesis and respiration

Total questions: 100

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

The process in which plants and some other organisms use the energy in sunlight to make food.

a)

photosynthesis

b)

cellular respiration

c)

osmosis

d)

diffusion

2.

The process that occurs when the chemical energy of "food" molecules, carbohydrates, fats, and proteins, is released and partially captured in the form of adenosine triphosphate (ATP).

a)

photosynthesis

b)

diffusion

c)

osmosisi

d)

cellular respiration

3.

An organelle in plant and algae cells that converts energy from sunlight into chemical energy that the plant can use

a)

chlorophyll

b)

chloroplast

c)

mitochondria

d)

nucleus

4.

An organelle in eukaryotic cells that is the site of cellular respiration and generates most of the cell’s ATP

a)

chlorophyll

b)

chloroplast

c)

mitochondria

d)

nucleus

5.

Why are many plants green?

a)

plant cells are green

b)

plants absorb green light

c)

chlorophyll reflects green light

d)

rigid cell walls are green

6.
Chloroplasts are...
a)
A type of pigment used for photosynthesis
b)
The location inside a plant cell where photosynthesis happens
c)
The location where cellular respiration happens
d)
Green beans
7.
Plants need ________from the air for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
8.
The products of photosynthesis are
a)
water and carbon dioxide
b)
oxygen and water
c)
sugar and cabon dioxide
d)
oxygen and sugar (glucose)
9.
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
10.
Mitochondria are...
a)
The location in cells where photosynthesis happens
b)
Kidney beans
c)
The location in cells where cellular respiration happens
d)
A type of pigment used for cellular respiration
11.
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
12.
What is the molecule called that mitochondria produce when they respire glucose?
a)
ATP
b)
ADP
c)
DNA
d)
80p
13.
Plants can...
a)
Only use photosynthesis
b)
Only use cellular respiration
c)
Use photosynthesis and cellular respiration
14.
Animals can...
a)

Only use photosynthesis

b)

Only use cellular respiration

c)

Use photosynthesis and cellular respiration

15.
During cellular respiration, what do animal cells use to produce energy from food?
a)
sunlight
b)
meat
c)
water
d)
oxygen
16.
During photosynthesis, what gas do plants release?
a)
oxygen
b)
carbon dioxide
c)
water
d)
nitrogen
17.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
18.

Which statement about photosynthesis is correct?

a)

Plants get the energy they need for photosynthesis from water.

b)

Plants get the energy they need for photosynthesis from soil.

c)

Plants get the energy they need for photosynthesis from sunlight.

d)

Plants do not require energy to perform photosynthesis.

19.
How do plants get their energy?
a)
through a reaction called chlorophyll 
b)
by a process called photosynthesis 
c)
by absorbing mineral nutrients from soil 
d)
by eating other organisms 
20.
Three main things plants need to survive. 
a)
sunlight, oxygen, soil
b)
soil, carbon dioxide, sunlight 
c)
sunlight, air, soil 
d)
sunlight, air, water 
21.
The source of energy plants use to make food
a)
photosynthesis 
b)
air 
c)
sunlight 
d)
soil 
22.
What two materials are used in photosynthesis?
a)
carbon monoxide and water 
b)
carbon dioxide and soil 
c)
carbon dioxide and oxygen
d)
carbon dioxide and water 
23.
Stomata is found in the _______. 
a)
stems 
b)
roots 
c)
leaves 
d)
flower 
24.
The green pigment in leaves that captures the energy from the sun. 
a)
borophyll 
b)
chlorophyll 
c)
photosynthesis 
d)
leaves 
25.
Where does carbon dioxide for photosynthesis come from?
a)
soil 
b)
air 
c)
sun 
d)
water 
26.
Which plant part is responsible for capturing sunlight and carrying out photosynthesis?
a)
leaves 
b)
stem
c)
flower
d)
roots 
27.

During the day, plants take in _______ and give out _____ to make food through photosynthesis.

a)

oxygen ... carbon dioxide

b)

carbon dioxide ... oxygen

c)

carbon dioxide ... carbon dioxide

d)

oxygen ... oxygen

28.

In plant , during respiration, _______________ is taken in and _______________ is removed.

a)

oxygen ... carbon dioxide

b)

carbon dioxide ... oxygen

c)

carbon dioxide ... carbon dioxide

d)

oxygen ... oxygen

29.

What is the structure in leaves that allows gases to diffuse either into or out of plant cells to the atmosphere?

a)

Chloroplast

b)

Cuticle

c)

Stomata

d)

Phloem

30.

The main function of stomata is to ________________

a)

take in water

b)

allows gas exchange

c)

tells the guard cells to open or close

d)

carry out photosynthesis

31.

What are the major food-producing organs of plants and the sites of photosynthesis?

a)

chloroplasts

b)

roots

c)

stems

d)

leaves

32.

What cells make up the top and bottom layers of a leaf and are flat, irregularly shaped cells?

a)

mesophyll

b)

epidermal

c)

chlorophyll

d)

chloroplast

33.

What are the small openings on the bottom epidermal layer of most leaves?

a)

mesophyll

b)

epidermal

c)

stomata

d)

chlorophyll

34.

What is the waxy covering produced by epidermal cells?

a)

mesophyll

b)

epidermal

c)

cuticle

d)

chlorophyll

35.

Where does the first step of photosynthesis occur?

a)

chlorophyll

b)

mesophyll

c)

chloroplasts

d)

epidermal

36.

What are the two types of mesophyll cells?

a)

spongy

b)

chlorophyll

c)

palisade

d)

mesophyll

37.

What are the chemicals that can absorb and reflect light?

a)

pigment

b)

chlorophyll

c)

chloroplast

d)

mesophyll

38.

What is the most common plant pigment?

a)

green

b)

chloroplast

c)

chlorophyll

d)

yellow

39.

What do plants capture during the first step of photosynthesis?

a)

sugars

b)

light energy

c)

oxygen

d)

carbon dioxide

40.

Why do plants appear green?

a)

Chlorophyll absorbs green light

b)

Because they are green

c)

Chlorophyll reflects green light

d)

Because of the water

41.

What is made during the second step of photosynthesis?

a)

sugars

b)

chlorophyll

c)

mesophyll

d)

cuticle

42.

What are two examples of plant structures where excess sugar is stored?

a)

potatoes

b)

pizza

c)

carrots

d)

french fries

43.

Why is photosynthesis important?

a)

Plants provide us with oxygen to breathe

b)

Plants take in oxygen from the environment

c)

Plants provide us with food

d)

Plants take in carbon dioxide from the environment

44.

Which of the following is NOT a producer in this food web?

a)

grass

b)

shrub

c)

fungi

d)

tree

45.

In this food web, which 2 animals will compete for the same source of energy (food)?

a)

grasshopper and rabbit

b)

deer and insect-eating bird

c)

shrew and squirrel

d)

snake and grasshopper

46.

Which animal in this food web gets its energy INDERECTLY from the tree?

a)

deer

b)

rabbit

c)

grasshopper

d)

hawk

47.

The berries and plantain are best known as

a)

producers

b)

primary consumers

c)

secondary consumers

d)

decomposers

48.

What will both the rat and goat compete for?

a)

a rabbit

b)

the owl

c)

a tomato plant

d)

nothing

49.

How much energy is transferred from one organism to another?

a)

only 10%

b)

all of it, 100%

c)

only 50%

d)

20%

50.

1 Which of the following correctly shows how energy flows through a food chain?

a)

A) Sun --> carnivores --> producers --> herbivores

b)

B) Sun --> producers --> herbiovres --> carnivores

c)

C) Sun --> herbivores --> carniviores --> herbivores

d)

D) Sun --> producers --> carnivores --> herbivores

51.

2) Which organism in this food chain is a producer?

a)

A) Plant

b)

B) Beetle

c)

C) Catfish

d)

D) Hawk

52.

3) Which organism in this food chain gets its energy, indirectly, from prairie grass?

a)

A) Squirrel

b)

B) Mountain Lion

c)

C) Robin

d)

D) Eagle

53.

4) What is the role of a consumer in the flow of energy through a food chain?

a)

A) Obtaining necessary nutrients from the soil

b)

B) Transforming the Sun's energy to make food

c)

C) Gaining energy by eating other living things.

d)

D) Decomposing the remains of living things.

54.

What is this equation:



C6H1206?

a)

Water

b)

Carbon Dioxide

c)

Glucose

d)

Energy

55.

Which of the following allows us to describe energy movement in this Pyramid

a)

As you go higher the energy increases

b)

There is less energy at the producer level then consumer level

c)

No energy is transferred

d)

Energy is transferred but only in small amounts up the pyramid

56.

What is NOT shown in the food chain?

a)

Herbivore

b)

Consumer

c)

Decomposer

d)

Producer

57.

What do the arrows represent in the Food Chain?

a)

The direction of energy flow through organisms

b)

The order of the size of organisms

c)

The importance of an organism

d)

The energy increases as you move left to right

58.

What is this equation above?

a)

Cellular Respiration

b)

Photosynthesis

59.
Why is a deer classified as a herbivore?
a)
A deer makes its own food.
b)
A deer eats only plants.
c)
A deer eats only animals.
d)
A deer eats plants and animals.
60.
Why is a racoon classified as an omnivore?
a)
A racoon eats only animals.
b)
A racoon eats only plants.
c)
A racoon makes its own food.
d)
A racoon eats plants and animals.
61.
What are organisms that use other organisms for food in order to gain energy?
a)
decomposers
b)
producers
c)
herbivores
d)
consumers
62.
What type of organism makes its own food?
a)
consumer
b)
carnivore
c)
producer
d)
animal
63.
Which are decomposers?
a)
humans
b)
trees
c)
red wolves
d)
worms
64.
A red wolf is a __________ and a ________.
a)
producer and hunter
b)
consumer and carnivore
c)
decomposer and carnivore
d)
decomposer and omnivore
65.
From where do producers get their energy?
a)
the ground
b)
other animals
c)
decomposers
d)
the sun
66.
A living organism that puts materials from dead  plants and animals back to the soil is called a ____________?
a)
carnivore
b)
decomposer
c)
herbivore
d)
omnivore
67.
What do the arrows represent in this diagram?
a)
who is being eaten
b)
the flow of energy
c)
the decomposition of organisms
d)
what things can change into
68.

Which living thing is a producer?

a)

plankton

b)

animals

c)

plants

d)

bacteria

69.

Do all animals eat producers?

a)

Yes

b)

No

70.

Does a consumer make their own food?

a)

Yes

b)

No

71.

How do consumers get energy?

a)

by running fast

b)

by drinking water

c)

by sleeping

d)

by eating other organisms

72.

There are three types of consumers. What are they? Click on all three.

a)

herbivore

b)

spores

c)

carnivores

d)

omnivores

73.

I am the chef for the ecosystem because I am the only organism that can make my own food.

a)

consumer

b)

producer

c)

decomposer

74.

I rely on eating other organisms for the energy I need to function since I can not make my own food.

a)

consumer

b)

producer

c)

decomposer

75.

I am Mother Nature's recycler because I take dead things and turn them back into soil.

a)

consumer

b)

producer

c)

decomposer

76.

I am a consumer that eats only plants.

a)

carnivore

b)

omnivore

c)

herbivore

77.

I am a consumer that eats only meat.

a)

carnivore

b)

omnivore

c)

herbivore

78.

I am a consumer that eats both plants and animals.

a)

carnivore

b)

omnivore

c)

herbivore

79.

Which is an example of a producer?

a)
b)
c)
80.

What is an example of a consumer?

a)
b)
c)
81.

What is an example of decomposer?

a)
b)
c)
82.

What is an example of a properly ordered food chain?

a)

fungi, grass, grasshopper, bird

b)

grass, cow, bird

c)

grain, mouse, snake, hawk

83.

What is the primary role of chlorophyll in plants?

a)

To absorb sunlight

b)

To store energy

c)

To transport nutrients

d)

To provide structure

84.

What gas do plants take in during photosynthesis?

a)

oxygen

b)

carbon dioxide

c)

nitrogen

d)

hydrogen

85.

Fox squirrels are common in Texas. Fox squirrels primarily eat acorns and nuts from trees but also eat insects. Some predators of fox squirrels include owls, snakes, and bobcats.

Which diagram best represents how energy would flow to and from the fox squirrel?

a)
b)
c)
d)
86.

The diagram below shows an energy pyramid. In a marine ecosystem, algae carry out photosynthesis. Barracuda eat snapper fish. Reef sharks eat barracuda.

Which organism would be at the top of the energy pyramid?

a)

algae

b)

reef shark

c)

barracuda

d)

snapper fish

87.

The figure below shows a food chain that might exist in a meadow.

Which of the following best describes what the food chain represents?

a)

how an organism might change over time

b)

the movement of organisms throughout the ecosystem

c)

the increase in size among organisms in the ecosystem

d)

the path of energy transfer from producers to consumers

88.

The food web below shows some of the feeding relationships among organisms in Arctic waters.

Which organism would be least affected by overfishing for cod in Arctic waters?

a)

seals

b)

shrimp

c)

baleen whales

d)

toothed whales

89.

What happens to MOST of the energy an organism takes in?

a)

It is used for life processes.

b)

It is lost the the environment as heat.

c)

It is stored in the organism's body.

d)

It is transferred to other organisms.

90.

An organism that eats other organisms

a)

Predator

b)

Autotroph

c)

Consumer

d)

Phytoplankton

91.

An animal that eats other animals/meat

a)

Carnivore

b)

Predator

c)

Consumer

d)

Food web

92.

An animal that eats both plants and animals

a)

Omnivore

b)

Parasite

c)

Energy Pyramid

d)

Phytoplankton

93.

An animal that eats only plants

a)

Herbivore

b)

Parasite

c)

Producer

d)

Abiotic Factors

94.

The process by which dead plants and animals are broken down

a)

Abiotic factors

b)

Carnivore

c)

Decompose

d)

Biome

95.

A diagram that shows the amount of energy that moves from one feeding level to another in a food web

a)

10% rule

b)

Host

c)

Energy pyramid

d)

Omnivore

96.

A series of steps in which organisms transfer energy by eating and being eaten

a)

Energy pyramid

b)

Biome

c)

Food chain

d)

Phytoplankton

97.

An organism that can make its own food

a)

Predator

b)

Heterotroph

c)

Producer

d)

Prey

98.
a lion is an example of a...
a)
carnivore
b)
herbivore
c)
scavenger
d)
omnivore
99.
a human is an example of a...
a)
omnivore
b)
carnivore
c)
herbivore
d)
scavenger
100.
a tree is an example of a....
a)
producer
b)
consumer
c)
herbivore
d)
decomposer