Quiz about AQA - Biology - Anaerobic and Aerobic Respiration

Question 1

Which of the following is a product of anaerobic respiration in yeast?

Accepted Answer

Ethanol

Answer

Carbon dioxide

Answer

Lactic acid

Answer

Water

Question 2

What is the main difference between aerobic and anaerobic respiration?

Accepted Answer

Aerobic respiration requires oxygen, while anaerobic respiration does not.

Answer

Anaerobic respiration produces more energy than aerobic respiration.

Answer

Aerobic respiration occurs in the cytoplasm, while anaerobic respiration occurs in the mitochondria.

Answer

Anaerobic respiration produces carbon dioxide, while aerobic respiration does not.

Question 3

During vigorous exercise, muscles may switch to anaerobic respiration. What is the main by-product of this process in human muscles?

Accepted Answer

Lactic acid

Answer

Ethanol

Answer

Carbon dioxide

Answer

Water

Question 4

Which of the following equations correctly represents aerobic respiration?

Accepted Answer

$$C_6H_{12}O_6 + 6O_2 ightarrow 6CO_2 + 6H_2O + ext{energy}$$

Answer

$$C_6H_{12}O_6 ightarrow 2C_2H_5OH + 2CO_2 + ext{energy}$$

Answer

$$C_6H_{12}O_6 ightarrow 2C_3H_6O_3 + ext{energy}$$

Answer

$$C_6H_{12}O_6 + 6O_2 ightarrow 2C_2H_5OH + 2CO_2 + ext{energy}$$

Question 5

Which of the following is NOT a characteristic of anaerobic respiration?

Accepted Answer

It produces more energy than aerobic respiration.

Answer

It occurs in the absence of oxygen.

Answer

It produces lactic acid in human muscles.

Answer

It occurs in the cytoplasm of cells.

Question 6

In which part of the cell does aerobic respiration primarily take place?

Accepted Answer

Mitochondria

Answer

Cytoplasm

Answer

Nucleus

Answer

Ribosomes

Question 7

What is the main advantage of aerobic respiration over anaerobic respiration?

Accepted Answer

It produces more energy.

Answer

It produces ethanol.

Answer

It does not produce carbon dioxide.

Answer

It occurs faster.

Question 8

Which of the following is a common use of fermentation in anaerobic respiration?

Accepted Answer

Baking bread

Answer

Producing oxygen

Answer

Generating ATP in mitochondria

Answer

Synthesising proteins

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