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SEHS Energy systems

Total questions: 22

Worksheet time: 11mins

Name
Class
Date
1.

Which processes require the presence of oxygen to produce adenosine triphosphate (ATP)? I. Glycolysis by the lactic acid system II. Glycolysis followed by the Krebs cycle and electron transport chain III. Beta oxidation of fatty acids followed by the Krebs cycle and electron transport chain

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

2.

What is the role of the Golgi apparatus in the cell?

a)

It is the site of aerobic respiration.

b)

It contains chromosomes and nucleolus.

c)

It packages proteins for secretion.

d)

It contains digestive enzymes.

3.

What is the main fuel source for an elite athlete in a 400 m running race?

a)

Creatine phosphate

b)

Glycogen

c)

Lactic acid

d)

Amino acid

4.

Which processes require the presence of oxygen to produce adenosine triphosphate (ATP)? I. Glycolysis by the lactic acid system II. Glycolysis followed by the Krebs cycle and electron transport chain III. Beta oxidation of fatty acids followed by the Krebs cycle and electron transport chain

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

5.

What is the role of the Golgi apparatus in the cell?

a)

It is the site of aerobic respiration.

b)

It contains chromosomes and nucleolus.

c)

It packages proteins for secretion.

d)

It contains digestive enzymes.

6.

Which cellular respiration process generates the most adenosine triphosphate (ATP) from one glucose molecule?

a)

Anaerobic glycolysis

b)

Beta oxidation

c)

Electron transport chain

d)

Krebs cycle

7.

Which processes metabolize glucose and fat? I. Krebs cycle II. Glycolysis III. Oxidative phosphorylation

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

8.

Which processes metabolize glucose and fat? I. Krebs cycle II. Glycolysis III. Oxidative phosphorylation

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

9.

Which component of the aerobic energy system also occurs in the anaerobic system?

a)

Krebs cycle

b)

Electron transport chain

c)

Glycolysis

d)

There are no common components

10.

Which component of the aerobic energy system also occurs in the anaerobic system?

a)

Krebs cycle

b)

Electron transport chain

c)

Glycolysis

d)

There are no common components

11.

Which metabolic process produces the greatest ATP yield?

a)

ATP–CP system

b)

Anaerobic glycolysis

c)

Krebs cycle

d)

Electron transport chain

12.

Which represents the production of adenosine triphosphate (ATP) via the aerobic glycolysis system?

a)

PC + ADP → 1ATP + C

b)

glucose → pyruvate → 2 ATP + lactate + H

c)

glucose → pyruvate + O → acetylCoA → Krebs cycle → electron transport chain → 38 ATP + HO + CO + heat

d)

ADP + P = ATP

13.

The diagram shows an animal cell. What is the function of X?

a)

Protein synthesis

b)

Controlling gene expression

c)

Cell respiration

d)

Ingestion and removal of waste

14.

Which donates a phosphate group to adenosine diphosphate (ADP) during the initial stages of intense exercise to regenerate adenosine triphosphate (ATP)?

a)

Glycogen

b)

Glucose-6-phosphate

c)

Amino acid

d)

Creatine phosphate

15.

What is the definition of cell respiration?

a)

The controlled release of energy in the form of adenosine triphosphate (ATP) from organic compounds in cells

b)

The controlled release of energy in the form of adenosine diphosphate (ADP) from organic compounds in cells

c)

The controlled release of energy in the form of glycogen from organic compounds in cells

d)

The controlled release of energy in the form of carbon dioxide from organic compounds in cells

16.

Which energy system is the predominant contributor of ATP for a runner participating in a marathon?

a)

ATP–PC system

b)

Anaerobic system

c)

Lactic acid system

d)

Aerobic system

17.

The diagram shows the ultrastructure of a generalized animal cell. What is the main function of the organelle labelled X?

a)

Protein synthesis

b)

Digestion of macromolecules

c)

Cellular respiration

d)

DNA storage

18.

What are the products of anaerobic glycolysis?

a)

2 ATP per glucose molecule and lactic acid

b)

2 ATP per glucose molecule and no lactic acid

c)

34−36 ATP per glucose molecule and no lactic acid

d)

34−36 ATP per glucose molecule and lactic acid

19.

Which type of athlete receives the majority of their energy during performance through aerobic respiration?

a)

Weightlifter

b)

Gymnast

c)

100 m swimmer

d)

1500 m runner

20.

Which energy system is the most rapid to resynthesize ATP?

a)

Anaerobic glycolysis

b)

Aerobic glycolysis

c)

Lactic acid

d)

Creatine phosphate

21.

What is the net amount of ATP molecules produced from one glucose molecule in the lactic acid system?

a)

36

b)

4

c)

2

d)

1

22.

Which describes the lactic acid system?

a)

Anaerobic energy system that produces 1 ATP

b)

Aerobic energy system that produces 36 ATP

c)

Catabolic reaction that uses one molecule of phosphocreatine

d)

Energy system that can fuel high-intensity work for 90 seconds