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AQA Bioenergetics

Total questions: 67

Worksheet time: 59mins

Name
Class
Date
1.
What does chlorophyll capture?
a)
Chlorophyll captures water from the air.
b)
Chlorophyll captures carbon dioxide from the air.
c)
Chlorophyll captures the energy of sunlight.
d)
Chlorophyll captures baseballs.
2.

Which organelle is responsible for making food (Glucose) using sunlight?

a)

Cell Membrane

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

3.

Select all that are products of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

4.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

carbon dioxide + water + sunlight --> glucose + oxygen

b)

carbon dioxide + sugar + water --> oxygen + sunlight

c)

oxygen + sunlight + water --> carbon dioxide + sugar

d)

carbon dioxide + oxygen + water --> Sunlight+ Sugar

5.

Which organisms perform photosynthesis?

a)

Only Autotrophs

b)

Only Heterotrophs

c)

Autotrophs and Heterotrophs

6.
Which of the following is an example of an AUTOTROPH?
a)
Appletree
b)
Dog
c)
Mushroom
d)
Human
7.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)

reflects green light.

d)
does not absorb violet light.
8.
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
9.

What gas is released by plants during photosynthesis?

a)

nitrogen

b)

carbon dioxide

c)

oxygen

d)

hydrogen

10.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
11.

Cellular Respiration's goal is to

a)

make water

b)

make ATP

c)

make glucose

d)

make oxygen

12.

Select all that are reactants for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

13.

Select all that are products of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

14.

Select all that are products of Cellular Respiration.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

ATP (Cellular Energy)

e)

Glucose (Sugar/food)

15.

Select all that are reactants for Cellular Respiration.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

16.

Explain how the process of photosynthesis and cellular respiration are related

a)

The products of photosynthesis are the reactants for cellular respiration

b)

The reactants of photosynthesis are the reactants of cellular respiration

c)

The products of cellular respiration are the products of photosynthesis

d)

The products of cellular respiration are the reactants of photosynthesis

17.

What type of organism makes its own food?

a)

Autotroph

b)

Heterotroph

c)

Consumer

d)

Omnivore

18.

This is referred to as the energy currency of the cell.

a)

ADP

b)

ATP

c)

Mitochondria

d)

Nucleus

19.

Aerobic respiration is different from anaerobic respiration in that aerobic respiration needs oxygen.

a)

chlorophyll

b)

carbon dioxide

c)

glucose

d)

oxygen

20.

Metabolic process that does not require oxygen.

a)

Aerobic Process

b)

Anaerobic Process

c)

Glycolysis

d)

Krebs Cycle

21.

The primary source of energy for life on Earth is __

a)

ATP Energy

b)

Kinetic Energy

c)

Oxygen

d)

Sunlight

22.

True or False. All forms of life use ATP energy for cellular functions.

a)

True

b)

False

23.

Plants (Select all that apply)

a)

Perform photosynthesis

b)

Perform cellular respiration

c)

Lactic Acid Fermentation

d)

Ethanol Fermentation

24.

What organelle does aerobic respiration take place in?

a)

chloroplast

b)

mitochondria

c)

ribosome

d)

ATP

25.

Photosynthesis (a)   energy, while cellular respiration (b)   energy.

Choose from the below words

stores

releases

26.

Photosynthesis is an exothermic reaction.

a)

True

b)

False

27.

What are the products of photosynthesis?

a)

glucose

b)

oxygen

c)

carbon dioxide

d)

water

28.

What is the pigment responsible for absorption of light in photosynthesis?

a)

Chlorophyll

b)

Chloroplasts

c)

Carotenoids

d)

Chromophore

29.

Name the cell layer that is responsible for most photosynthesis in the leaf.

a)

Palisade

b)

Mesophyll

c)

Guard cell

d)

Epidermis

30.

Glucose combines with ammonia to form amino acids.

a)

True

b)

False

31.

Name the molecule used to build cell walls.

a)

Cellulose

b)

Starch

c)

Glycogen

d)

Protein

32.

What part of the plant is involved in gas exchange?

a)

Leaf

b)

Stem

c)

Roots

33.

What class of molecule is found in seeds as an energy store?

a)

Lipids

b)

Protein

c)

Carbohydrate

d)

Mineral ions

34.

Aerobic respiration transfers more energy from glucose than anaerobic respiration.

a)

True

b)

False

35.

Anaerobic respiration releases energy

a)

True

b)

False

36.

Yeast respire anaerobically to produce lactic acid.

a)

True

b)

False

37.

Light intensity is directly proportional to distance.

a)

True

b)

False

38.

Why is glucose not stored in the leaf?

a)

it is soluble

b)

it is sweet

c)

it is reactive

39.

Which type of muscle can tire?

a)

Smooth muscle

b)

Cardiac muscle

c)

Skeletal muscle

40.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
41.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
42.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
43.
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.
44.
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
45.
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
46.
Which of these will not affect photosynthesis?
a)
Light
b)
Temperature
c)
Glucose Availability
d)
Carbon Dioxide
47.
If a plant receives more carbon dioxide, what happens to the rate of photosynthesis?
a)
Increases
b)
Decreases
c)
Stays the same
48.

Which of the following would affect the rate of photosynthesis?

a)

amount of water

b)

carbon dioxide concentration

c)

temperature

d)

all of these

49.

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

a)

A

b)

B

c)

C

d)

D

50.
What is the correct equation for photosynthesis?
a)
Carbon Dioxide + Water + Light --> Glucose + Oxygen
b)
Light + Carbon Dioxide --> Water + Glucose + Oxygen
c)
Carbon Dioxide + Glucose + Light --> Water + Oxygen
51.

Look at the diagram. Which gas would most likely be found in the greatest amount in the bubbles?
a)
oxygen
b)
nitrogen
c)
ozone
d)
carbon dioxide
52.

Which lettered graph represents the effect of temperature on photosynthetic rate?

a)

A

b)

B

c)

C

d)

D

53.
What will happen to the photosynthesis rate if you increase the intensity of light?
a)
Photosynthesis rate will increase.
b)
Photosynthesis rate will decrease.
c)
Photosynthesis rate will remain the same.
d)
Photosynthesis will stop.
54.
Glucose (sugar) is also produced during photosynthesis. What do plants use glucose for?
a)
Source of energy.
b)
Supports plant growth and development.
c)
Keeps plants warm.
d)
Prevents plants from dying.
55.
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.
56.
How is the leaf adapted to do photosynthesis?
a)
The leaf's upper layer is thin and transparent to allow light to pass through.
b)
The leaf's palisade layer has the most chloroplast to absorb the maximum amount of light possible.
c)
The leaf's lower layer has many stomata to allow gases to diffuse.
d)
All of the descriptions above are true.
57.
This diagram is a leaf cell. Which of the following refers to letter D?
a)
Nucleus
b)
Vacuole
c)
Chloroplast
d)
Cell wall
58.

What are the 2 products of photosynthesis?

a)

Carbon Dioxide

b)

Glucose

c)

Water

d)

Oxygen

e)

Chlorophyll

59.

A student measured her breathing rate at rest when walking and when jogging. The bar chart shows her results.

Which of the following statements are true? (Pick 3)

a)

The breathing rate when walking is twice that at rest.

b)

The breathing rate when walking is 2.5 times that at rest.

c)

The breathing rate when jogging is 4 times that at rest

d)

The breathing rate when jogging is 5 times that at rest

e)

The breathing rate when jogging is 2.5 times that when walking

60.

A test for starch is used to show that a plant has photosynthesised.

How does the presence of starch show that photosynthesis has taken place?

a)

The oxygen (produced in photosynthesis) is converted into starch.

b)

The glycogen (produced in photosynthesis) is converted into starch.

c)

The glucose (produced in photosynthesis) is converted into starch.

d)

The chlorophyll (produced in photosynthesis) is converted into starch.

61.

A student investigated where starch was made in a leaf.

She used a leaf that was part green and part white as shown in the diagram.

Look at the leaf in the diagram.

What colour would part A stain with iodine solution after the starch test?

(a)  

62.

A student investigated where starch was made in a leaf.

She used a leaf that was part green and part white as shown in the diagram.

Look at the leaf in the diagram.

What colour would part B stain with iodine solution after the starch test?

(a)  

63.

Give two uses of energy transferred by respiration.

a)

Maintaining body temperature.

b)

Diffusion

c)

Muscle contraction.

d)

Osmosis

64.

Muscle cells and plant cells can respire anaerobically.

Which of the following statements are true?

a)

When muscle and plant cells respire anaerobically they both produce carbon dioxide.

b)

Muscle cells produce only lactic acid when they respire anaerobically,

c)

Plant cells produce ethanol and carbon dioxide when they respire anaerobically.

d)

Anaerobic respiration happens without oxygen in both plant and animal cells.

e)

Anaerobic respiration happens without glucose in both plant and animal cells.

65.

Metabolic rate is affected by the amount of activity a person does.

Give two other factors that may affect a person’s metabolic rate.

a)

Genetics

b)

Vitamin C

c)

Gender

d)

Exercise

66.

Which metabolic process produces water?

a)

Breakdown of protein to amino acids

b)

Changing glycogen into glucose

c)

Digestion of fat

d)

Respiration of glucose

67.

An aphid feeds by inserting its sharp mouthpiece into the stem of a plant.

After feeding, the mouthpiece of an aphid contains a high concentration of dissolved sugars.

Which part of the plant was the aphid feeding from?

a)

Palisade layer

b)

Phloem

c)

Stomata

d)

Xylem

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