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Cellular Energy Review

Total questions: 19

Worksheet time: 14mins

Name
Class
Date
1.

Which of the following best compares autotrophs and heterotrophs?

a)

Autotrophs make their own food; heterotrophs consume other organisms.

b)

Autotrophs consume other organisms; heterotrophs make their own food.

c)

Both autotrophs and heterotrophs make their own food.

d)

Both autotrophs and heterotrophs consume only plants.

2.

What are the two main energy molecules used in cellular energy processes?

a)

Water and Carbon Dioxide

b)

DNA and RNA

c)

Glucose and Oxygen

d)

ATP and ADP

3.

How many phosphate groups are found in an ADP molecule?

a)

Three

b)

Two

c)

One

d)

Four

4.

How is energy released from an ATP molecule?

a)

By breaking down glucose

b)

By forming a phosphate bond

c)

By breaking a phosphate bond

d)

By combining with oxygen

5.

Which of the following correctly lists the reactants and products of photosynthesis?

a)

Reactants: CO₂ and H₂O; Products: C₆H₁₂O₆ and O₂

b)

Reactants: O₂ and C₆H₁₂O₆; Products: CO₂ and H₂O

c)

Reactants: H₂O and O₂; Products: CO₂ and C₆H₁₂O₆

d)

Reactants: C₆H₁₂O₆ and CO₂; Products: H₂O and O₂

6.

If you see a red leaf, what color is being reflected? What color(s) are being absorbed?

a)

Yellow is reflected; green and blue are absorbed

b)

Green is reflected; red and blue are absorbed

c)

Blue is reflected; red and green are absorbed

d)

Red is reflected; green and blue are absorbed

7.

What are the two reactions that make up photosynthesis?

a)

Glycolysis and fermentation

b)

Light-dependent and light-independent reactions

c)

Krebs cycle and electron transport chain

d)

Transcription and translation

8.

What are the reactants and products of the light dependent reaction? Where does this reaction take place?

a)

Reactants: Carbon dioxide and ATP; Products: Glucose and oxygen; Location: Thylakoid membrane

b)

Reactants: Glucose and oxygen; Products: Carbon dioxide and water; Location: Cytoplasm

c)

Reactants: Water and light; Products: Oxygen, ATP; Location: Thylakoid membrane

d)

Reactants: Nitrogen and hydrogen; Products: Ammonia; Location: Chloroplast stroma

9.

What is cellular respiration? Who can do cellular respiration?

a)

The process of breaking down glucose to produce ATP; all living organisms (plants, animals, fungi, and many bacteria)

b)

The process of making glucose from sunlight; only plants

c)

The process of absorbing water; only animals

d)

The process of DNA replication; only bacteria

10.

What is the chemical equation for cellular respiration?

a)

6O2 + 6H2O → C6H12O6 + 6CO2

b)

6CO2 + 6H2O → C6H12O6 + 6O2

c)

C6H12O6 + 6CO2 → 6O2 + 6H2O + Energy

d)

C6H12O6 + 6O2 → 6CO2 + 6H2O + Energy

11.

How can a cell release energy if no oxygen is present? What type of respiration is this?

a)

Through photosynthesis

b)

Through aerobic respiration

c)

Through anaerobic respiration

d)

Through cellular division

12.

What is the first step to cellular respiration, and where does it take place in the cell?

a)

Glycolysis; in the cytoplasm

b)

Krebs cycle; in the mitochondria

c)

Electron transport chain; in the nucleus

d)

Photosynthesis; in the chloroplast

13.

What process follows glycolysis in aerobic respiration?

a)

Fermentation

b)

Krebs cycle

c)

Photosynthesis

d)

Lactic acid production

14.

Compare the type of energy used in lactic acid fermentation and cellular respiration.

a)

Lactic acid fermentation is used for quick energy; respiration is used for long term energy

b)

Lactic acid fermentation produces more ATP than cellular respiration

c)

Both produce the same amount of ATP

d)

Cellular respiration does not produce ATP

15.

The reactant of glycolysis is ​ (a)   the product of glycolysis is ​ (b)   and ​ ​ (c)  

Choose from the below words
glucose
two pyruvate molecules
ATP
water
carbon dioxide
oxygen
ADP
16.

Put the steps of aerobic respiration in the correct order. (1 is the first step).

a)

Glycolysis

b)

Krebs Cycle

c)

Electron Transport Chain

1)
2)
3)
17.

Fill in the correct terms for the photosynthesis equation:

Water + (a)   +​ (b)   --->​ Glucose +​ (c)  

Choose from the below words
nitrogen
sugar
hydrogen
carbon dioxide
light energy
oxygen
18.

What is a reactant of aerobic respiration? (more than one right answer)

a)

Glucose

b)

Water

c)

Oxygen

d)

Carbon dioxide

19.

​ (a)   is a ​ (b)   of the Krebs cycle.

Choose from the below words
Pyruvate
reactant
Product
Glucose
Oxygen