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Photosynthesis and Respiration

Total questions: 69

Worksheet time: 2hrs 42mins

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.

Which is a molecule is a reactant in photosynthesis?

a)

Water

b)

Chlorophyll

c)

Glucose

d)

Oxygen

5.

Which is a molecule is a product in photosynthesis?

a)

Water

b)

Chlorophyll

c)

Glucose

d)

Carbon Dioxide

6.

Which of the following is a reactant in respiration?

a)

H2O

b)

CO2

c)

C6H12O6

d)

CH3

7.

Which of the following is a product in respiration?

a)

O2

b)

CO2

c)

C6H12O6

d)

CH3

8.

Why does a plant have both chloroplast and mitochondria?

a)

The chloroplast makes glucose that the mitochondria uses to make ATP.

b)

Photosynthesis can not produce ATP

c)

When its dark photosynthesis stops and the mitochondria produces glucose

d)

Chloroplasts are found in the roots of the plant and mitochondria is found in the leaves.

9.

Plant cells make their own food by taking in

a)

oxygen and water.

b)

oxygen and hydrogen.

c)

carbon dioxide and water.

d)

carbon dioxide and oxygen.

10.
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
11.

What is the green pigment that "traps" sunlight?

a)

Chlorophyll

b)

Chloroplasts

c)

Photosynthesis

d)

ATP

12.

In what organelle does photosynthesis take place?

a)

chlorophyll

b)

chloroplast

c)

mitochondria

d)

nucleus

13.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
14.

Which of the following is the correct equation for RESPIRATION

a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)

O2 + sugar --> CO2 + H2O + ATP

d)

CO2 + H2O --> ATP + Sugar + O2

15.
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
16.

During photosynthesis the carbon atoms from the carbon dioxide molecule are turned into

a)

oxygen

b)

glucose

c)

water

d)

hydrogen

17.

Is Oxygen a Raw Material (Ingredient) or Product of Photosynthesis?

a)

Product

b)

Raw Material

c)

Niether

d)

What's Photosynthesis?

18.

Is Glucose (C6H12O6) a Raw Material (Ingredient) or Product of Photosynthesis?

a)

Product

b)

Raw Material

c)

Niether

d)

What's Photosynthesis?

19.

Is Carbon Dioxide (CO2) a Raw Material (Ingredient) or Product of Photosynthesis?

a)

Product

b)

Raw Material

c)

Niether

d)

What's Photosynthesis?

20.

Is Water (H2O) a Raw Material (Ingredient) or Product of Photosynthesis?

a)

Product

b)

Raw Material

c)

Niether

d)

What's Photosynthesis?

21.

Water is transported from roots to shoots and leaves in:

a)

Xylem

b)

Phloem

c)

Stomata

d)

Cholorophyll

22.

What is transpiration?

a)

The evaporation and diffusion of water from inside leaves

b)

The uptake of water through root hair cells

c)

The loss of water from leaves by osmosis

d)

The uptake of water through stem cells

23.

What happens to the transpiration rate as light intensity increases?

a)

It changes

b)

It stays the same

c)

It decreases

d)

It increases

24.

Look at the diagram above!

the function of the structure A is ....

a)

transfer glucose

b)

transfer carbon dioxide

c)

transfer soil

d)

transfer water

25.

How do water enter the roots from the soil?

a)

diffusion

b)

osmosis

c)

transpiration

d)

active transport

26.

Root hairs cells are specialised cells for plant growth because

a)

they keep growing until they reach water and nutrients

b)

they have a large surface area to allow for greater photosynthesis

c)

they have a large surface area for absorbing water and nutrients

d)

they keep growing until they reach sunlight for photosynthesis

27.

Which is NOT belong to the group

a)

Iron

b)

Nitrogen

c)

Phosphorus

d)

Potassium

28.

Stimulates growth of the leaves and stems

a)

Phosphorus

b)

Potassium

c)

Nitrogen

d)

Manganese

29.

It helps in the production of seeds.

a)

Nitrogen

b)

Phosphorus

c)

Potassium

d)

Iron

30.

Recall the main function of a xylem cell.

a)

To transport nutrients (mainly sucrose) to different parts of a plant.

b)

To make energy for the plant via photosynthesis.

c)

To transport carbon dioxide to the leaves for photosynthessis.

d)

To transport water to different parts of plant.

31.

Recall what substance is used to thicken and strengthen xylem walls in woody plants.

a)

Protein

b)

Mineral ions

c)

Lignin

d)

Glucose

32.

What does the Xylem transport?

a)

Water and Minerals

b)

Glucose

c)

Blood

d)

Chlorophyll

33.

What does the Phloem transport?

a)

Water and Minerals

b)

Sucrose and Amino Acids

c)

Blood

d)

Chlorophyll

34.

Which is BIDIRECTIONAL? (transports both ways around a plant)

a)

Xylem

b)

Phloem

35.

What is water used for in the leaves of the plant?

a)

Drinking

b)

Respiration

c)

Photosynthesis

d)

Transport

36.

Xylem tubes are made of...

a)

Dead cells

b)

Living cells

37.

Phloem tubes are made of...

a)

Dead cells

b)

Living cells

38.

Phloem tubes transport substances in which direction?

a)

Up

b)

Up and down

39.

Xylem tubes transport substances in which direction?

a)

Up

b)

Up and down

40.

What is the name of the microscopic holes in leaves that are opened and closed to allow water to TRANSPIRE?

a)

water doors

b)

stomata

c)

leaf eyes

d)

transpiration holes

41.
Xylem and Phloem are both __.
a)
Transpiration
b)
Absorption
c)
Photosynthesis
d)
Vascular tissue
42.

What are sieve tube elements ?

a)

are elongated cells that are joined end to end to form long tubes

b)

dead cells that are joined end to end to form long tubes

c)

are long tubes that contain nucleus, golgi body and ribosomes

d)

long tubes that don't contain cytoplasm

43.

The end walls of sieve tubes (the cells in phloem tissue) are called...

a)

vessels

b)

cellulose

c)

sieve plates

d)

plasmodesmata

44.

The main function of stomata is to

a)

capture sunlight

b)

protect leaves from insects

c)

allow gases to move rapidly in/out of leaves

d)

release sugars into the atmosphere

45.

When we added red food coloring to the water, what did that prove?

a)

That the celery leaves caught the evaporating red water.

b)

That the celery was absorbing all the red water.

c)

That the water was passing through the celery all the way up to the leaves.

46.

Foods synthesized in the process of Photosynthesis by plants is stored as

a)

Starch

b)

Protein

c)

Vitamins

d)

Fats

47.

Which solution is used to test for starch?

a)

soda lime

b)

iodine solution

c)

sodium hydrogen carbonate solution

d)

ethanol

48.

What does a positive result in the starch test look like?

a)

The leaf turns black-blue

b)

The leaf turns white

c)

The leaf stays green

d)

The leaf turns yellow-brown

49.

What is the test that we can do to check whether photosynthesis has happened?

a)

The starch test

b)

The sugar test

c)

The protein test

d)

The lipids test

50.

What is the function of chlorophyll??

a)

To absorb light

b)

To absorb heat

c)

To absorb water

d)

To absorb oxygen

51.

Select all adaptions leaves have from the list below.

a)

They have a large surface area

b)

They are thin

c)

They have lots of chloroplasts

d)

They have veins

e)

They are thick

52.
Why would temperature affect the rate of photosynthesis?
a)
Enzymatic activity is usually temperature dependent
b)
plant cells expand with temp, have greater surface area
c)
More CO2 dissolved in the water
d)
More glucose needed for respiration at higher temperatures
53.
How would the concentration of CO2 in water affect photosynthesis?
a)
The higher the CO2, the greater the rate
b)
The higher the CO2, the lower the rate
c)
CO2 concentration doesn't affect photosynthesis
d)
a greater rate of photosynthesis causes higher CO2 concentrations 
54.
How would light intensity generally affect the rate of photosynthesis?
a)
Increases the rate, up to a point
b)
Increases the rate
c)
Decreases the rate
d)
No relationship to the rate
55.

Which lettered graph represents the affect of light intensity on photosynthetic rate?

a)

A

b)

B

c)

C

d)

D

56.
What is a limiting factor?
a)
The factor which increases the rate of a reaction
b)
The factor that limits the reaction rate
c)
The factor that limits the rate at which an enzyme is destroyed
57.
How would the concentration of CO2 in water affect photosynthesis?
a)
The higher the CO2, the greater the rate
b)
The higher the CO2, the lower the rate
c)
CO2 concentration doesn't affect photosynthesis
d)
a greater rate of photosynthesis causes higher CO2 concentrations 
58.

What happens when temperatures are too cold?

a)

Chemical reactions speed up - higher frequency of collisions

b)

Chemical reactions slow down - less frequency of collisions

59.

What happens when temperatures are optimal?

a)

Chemical reactions work fastest - particles move faster and collide most frequently

b)

Chemical reactions work slowest - particles move slow and collide infrequently

60.

What happens when temperature is very high?

a)

Enzymes controlling the reaction break down and the reaction stops happening.

b)

The reaction gets even faster since particles are moving even faster and collide more frequently.

c)

The reaction gets slower since the particles move slower and collide less frequently.

61.

Which of the following DOES NOT affect the rate of photosynthesis?

a)

Light

b)

Temperature

c)

Glucose Availability

d)

Carbon Dioxide

62.
When it is chilly and raining outside, there is no photosynthesis taking place. What is the limiting factor?
a)
Temperature
b)
Rainfall
c)
Carbon Dioxide
63.
Increasing temperature can increase enzyme activity to a certain point. Then what happens?
a)
The enzymes have completed all the reactions so stop
b)
The enzymes have been denatured or destroyed
c)
Nothing - the rate continues to increase all the time
64.
How does temperature affects photosynthesis rate?
a)
As temperature increases, photosynthesis rate also increases.
b)
As temperature decreases, photosynthesis rate also decreases.
c)
Plants cannot photosynthesis if the temperature is too cold or too hot. 
d)
All of the statements are true.
65.

What does the plant need magnesium for?

a)

For the production of chlorophyll

b)

For the production of amino acids

c)

For the production of glucose

d)

For the production of starch

66.

Deficiency in Nitrogen will leads to

a)

chlorosis

b)

stunted growth

c)

red spots on leaf

d)

unhealthy root growth

67.

Pale green or yellow plants due to lack of chlorophyll would indicate a deficiency in__________

a)

Nitrogen

b)

Phosphorus

c)

Potassium

68.

Discoloured blue-purple leaves indicates a deficiency in _________________

a)

Nitrogen

b)

Phosphorus

c)

Potassium

69.

Scorching of leaves (browning) along leaf margins indicates a deficiency in _______________________

a)

Nitrogen

b)

Potassium

c)

Phosphorus

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