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Photosynthesis

Total questions: 89

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

Where does photosynthesis take place in the plant cell?

a)

Nucleus

b)

cytoplasm

c)

Chloroplasts

d)

Mitochondria

2.

What are the two products of photosynthesis?

a)

Oxygen and Carbon dioxide

b)

Oxygen and Sugar

c)

Sunlight and Sugar

3.

Pigment in green plants that captures the energy in sunlight is called __________.

a)

pigment

b)

chlorophyll

c)

stomata

d)

green thing

4.

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

5.

Which part of the plant cell transforms light into glucose to use as food?

a)

Mitochondria

b)

Vacuoles

c)

Chloroplasts

d)

Nucleus

6.

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

7.

What are the products of photosynthesis?

a)

water and carbon dioxide

b)

oxygen and glucose

c)

oxygen and carbon dioxide

d)

oxygen and water

8.

What are the reactants of photosynthesis?

a)

carbon dioxide and oxygen

b)

water and oxygen

c)

carbon dioxide and water

d)

water and glucose

9.

 

This is the chemical formula for a molecule of...

a)

oxygen

b)

carbon dioxide

c)

Glucose

d)

Water

10.

What is the purpose of photosynthesis?

a)

to release energy

b)

to create glucose

c)

to grow

d)

To get oxygen for respiration

11.

Most plants appear green because chlorophyll

a)

absorbs green light

b)

absorbs violet light

c)

reflects green light

d)

does not absorb violet light

12.

What is a producer?

a)

organisms that can make their own food

b)

organisms that can break down dead organisms

c)

organisms that eats other organisms for food and energy

13.

 

What part of the plant soaks up water for photosynthesis?

a)

roots

b)

petals

c)

leaf

d)

stem

14.

 

What is the food manufacturing process in plants?

a)

respiration

b)

chlorophyll

c)

glucose

d)

photosynthesis

15.

The openings that are found in the leaves of plants are called:

a)

stomata

b)

chlorophyll

c)

Xylem

d)

Chloroplast

16.
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
17.
What are the two products of the light reactions that are needed for the calvin cycle?
a)
NAD and NADPH
b)
NADP + and Glucose
c)
NADPH and ATP
d)
Oxygen and NADPH
18.

Select all that are raw materials for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

19.

Select all that are products of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

20.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
21.
Which of the following is an example of an AUTOTROPH?
a)
Appletree
b)
Dog
c)
Mushroom
d)
Human
22.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
23.

What is the pigment in chloroplasts that performs photosynthesis?

a)

Chlorosynthesis

b)

Chlorophyll

c)

Chloroplast

d)

Green

24.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
25.
The ____________ is the most photosynthetic part of a plant.
a)
leaf
b)
flower
c)
roots
d)
stem
26.
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
27.
Glucose is a ...
a)
sugar
b)
carbohydrate
c)
source of quick energy
d)
all are correct
28.
The formula for glucose is...
a)
C12 H22 O11
b)
NaCl
c)
NaOH
d)
C6 H12 O6
29.

What role does NADPH play in cellular respiration

a)

It is long term energy storage

b)

it is a high-energy hydrogen carrier

c)

it breaks down glucose

d)

it is an enzyme

30.

what are the products of the light reactions

a)

thylakoid

b)

oxygen

c)

ATP

d)

NADPH

31.

what are the inputs of the calvin cycle?

a)

NADPH

b)

ATP

c)

CO2

d)

H2O

e)

chlorophyll

32.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
33.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
34.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
35.
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.
36.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
37.
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
38.
Which plant part absorbs water and nutrients?
a)
Leaf
b)
Stem
c)
Roots
d)
Flower
39.

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

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

40.
____________________ provides the energy necessary for photosynthesis.
a)
water
b)
sunlight
c)
glucose
d)
soil
41.

Photosynthesis is used to produce food for plants in the form of glucose. In the process, oxygen is released. As shown in the diagram, plants require water and carbon dioxide (from the air). What else is required for photosynthesis and what role does it play?

a)

Light is required to provide energy for photosynthesis.

b)

ATP is required as an energy source for photosynthesis.

c)

Glucose is required as an energy source for photosynthesis

d)

Oxygen is required to split water molecules in photosynthesis.

42.
Where does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
43.
What absorbs energy from visible light?
a)
Chlorophyll
b)
Chloroplast
c)
Stroma
d)
Carbon Dioxide
44.
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
45.
6CO2 + 6H20 + light energy    -> C6H12O6 + 6O2
In this chemcial equation, the highlight red is called the ______. 
a)
product
b)
reactant
c)
yields
d)
production
46.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + glucose
b)
CO2 + glucose + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + glucose
d)
CO2 + O2 + H2O --> Light+ glucose
47.
Chlorophyll absorbs _____ and _______ light from the light.
a)
purple and green
b)
red and blue
c)
black and orange
d)
yellow and green
48.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
49.
A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C. The gas being collected is probably ________.
a)
oxygen
b)
carbon dioxide
c)
ATP
d)
glucose
50.
If carbon dioxide is completely removed from a plant’s environment, what would you expect to happen to the plant’s production of high-energy sugars (rate of photosynthesis)?
a)
Sugar production will likely increase.
b)
Sugars will not be produced.
c)
The rate of sugar production will decrease .
d)
Fewer sugars will be produced at first, but then the plant will recover.
51.
The raw materials or reactants of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
52.
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.
53.
Which conclusion best matches the trends shown on the graph?
a)
Bean plants produce more ATP than corn plants.
b)
Corn plants require more oxygen than bean plants.
c)
Corn plants release more carbon dioxide than bean plants.
d)
Corn plants produce sugars at a faster rate than bean plants.
54.
What molecule absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
55.
Which of the following carry out photosynthesis?
a)
bees
b)
red algae
c)
humans
d)
mushrooms
56.
Autotroph or heterotroph?
a)
Autotroph
b)
Heterotroph
57.
Autotroph or Heterotroph?
a)
Autotroph
b)
Heterotroph
58.
Which of the following is an example of a HETEROTROPH?
a)
Grasses
b)
Algae
c)
Lemon Tree
d)
Bush Mouse
59.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
60.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
61.
What are the bubbles rising in the test tube?
a)
nitrogen gas
b)
carbon dioxide gas
c)
glucose
d)
oxygen gas
62.

During photosynthesis, the energy from the sun is used to split water molecules into hydrogen and oxygen.

a)

True

b)

False

63.

Which of the following statements best describes the term photosynthesis?

a)

When plants absorb the energy from the sun.

b)

How plants reproduce.

c)

The process by which plants make their own food.

d)

The process by which animals make their own food.

64.

Which of the following is needed for the process of photosynthesis?

a)

Water

b)

Oxygen

c)

Starch

d)

Carbon dioxide

65.

Which of the following is needed for the process of photosynthesis?

a)

Water

b)

Oxygen

c)

Starch

d)

Carbon dioxide

66.

Which of the following is produced by the process of photosynthesis?

a)

Water

b)

Oxygen

c)

Starch

d)

Carbon dioxide

67.

Chlorophyll is:

a)

The substance that makes plants green.

b)

Found inside the chloroplast cells.

c)

Used to absorb energy from the sun.

d)

All of the above.

68.

The openings that are found in the leaves of plants are called:

a)

Stomata

b)

Chlorophyll

c)

Xylem

d)

Chloroplast

69.

The tubes that carry water through the roots and stems are called:

a)

Stomata

b)

Chlorophyll

c)

Xylem

d)

Chloroplast

70.

Which of the following substances are needed to make carbohydrates?

a)

Hydrogen

b)

Oxygen

c)

Carbon

d)

All of the above.

71.

The process of photosynthesis takes place in the:

a)

Leaves of the Plant.

b)

Stem of the plant.

c)

Roots of the plant.

d)

All of the above.

72.

Plants store food in:

a)

Leaves

b)

Stems

c)

Roots

d)

All of the above.

73.

What part of the plant soaks up water for photosynthesis?

a)

roots

b)

petals

c)

leaf

d)

stem

74.

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

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

75.

What is the food manufacturing process in plants?

a)

respiration

b)

chlorophyll

c)

glucose

d)

photosynthesis

76.

True or False: Plants make their own food and use the energy from the food that is made.

a)

True

b)

False

77.

What two things are the product (end result) of photosynthesis?

a)

chloroplast

b)

glucose

c)

oxygen

d)

carbon dioxide

78.

True or False: Animals can make their own food inside themselves.

a)

True

b)

False

79.

What is the waste product of photosynthesis?

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

chlorophyll

80.

What time of day (24 hour period) do plants photosynthesize?

a)

nighttime only

b)

daytime only

c)

daytime and nighttime

d)

only in the summer months

81.

Where do the leaves and stems of plants get their green color from?

a)

glucose

b)

oxygen

c)

carbon dioxide

d)

chlorophyll

82.

Which of the following is NOT needed for a plant to survive and do photosynthesis?

a)

sunlight

b)

water

c)

pesticides

d)

carbon dioxide

83.

REVIEW QUESTION: Which lab tool is used to measure mass?

a)

graduated cylinder

b)

hand lens

c)

pan balance

d)

scale

84.

REVIEW QUESTION: Which lab tool is used to make tiny objects look much bigger?

a)

telescope

b)

microscope

c)

scale

d)

graduated cylinder

85.

REVIEW QUESTION: What does a graduated cylinder measure?

a)

mass

b)

weight

c)

density

d)

volume

86.

REVIEW QUESTION: Which step of the scientific method is a "If...then..." statement?

a)

hypothesis

b)

question

c)

conclusion

d)

experiment

87.

REVIEW QUESTION: Which lab tool measures weight?

a)

pan balance

b)

microscope

c)

telescope

d)

scale

88.

REVIEW QUESTION: Which lab tool allows us to better see things that are far away?

a)

microscope

b)

hand lens

c)

telescope

d)

scale

89.

REVIEW QUESTION: Which lab tool measures heat?

a)

thermometer

b)

telescope

c)

microscope

d)

scale

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