Question 1

What is cellular respiration?

Accepted Answer

an exothermic reaction that occurs in the mitochondria to release energy from glucose

Answer

an exothermic reaction that occurs continuously in the cytoplasm of living cells to release energy from glucose

Answer

an endothermic reaction that occurs in the nucleus to release energy from glucose

Answer

an endothermic reaction that occurs in the mitochondria to release energy from glucose

Question 2

Which of these is NOT a use of energy in animals?

Accepted Answer

diffusion of molecules into cells

Answer

chemical reactions to build larger molecules

Answer

keeping warm

Answer

muscle contraction for movement

Question 3

There are two main types of respiration, aerobic and anaerobic. Which type of respiration uses oxygen?

Accepted Answer

aerobic

Answer

anaerobic

Question 4

There are two main types of respiration, aerobic and anaerobic. Which type of respiration occurs without oxygen?

Accepted Answer

anaerobic

Answer

aerobic

Question 5

There are two main types of respiration, aerobic and anaerobic. Which type of respiration generates more ATP?

Accepted Answer

aerobic

Answer

anaerobic

Question 6

Complete the word equation for aerobic respiration: glucose + oxygen → ________ ________ + water

Accepted Answer

carbon dioxide

Question 7

Complete the word equation for anaerobic respiration in muscles: glucose → ________ _____

Accepted Answer

lactic acid

Question 8

Which of these choices is the correct, balanced equation for aerobic respiration?

Accepted Answer

$	ext C_6	ext H_{12}	ext O_6+6	ext O_2 ightarrow 6	ext {CO}_2+6	ext H_2	ext O$

Answer

$	ext C_6	ext H_{12}	ext O_6+6	ext{CO}_2 ightarrow 6	ext O_2+6	ext H_2	ext O$

Answer

$6	ext {CO}_2+6	ext H_2	ext O ightarrow 	ext C_6	ext H_{12}	ext O_6+6	ext O_2$

Answer

$	ext C_6	ext H_{12}	ext O_6+3	ext{CO}_2 ightarrow 3	ext O_2+3	ext H_2	ext O$

Question 9

Why does aerobic respiration release more energy than anaerobic respiration?

Accepted Answer

oxidation of glucose is complete in aerobic respiration

Answer

reduction of glucose is incomplete in aerobic respiration

Answer

respiration of glucose is complete in aerobic respiration

Answer

oxidation of glucose is complete in anaerobic respiration

Question 10

What is anaerobic respiration in yeast cells called?

Accepted Answer

fermentation

Answer

distillation

Answer

cellular respiration

Answer

fumentation

Question 11

Complete the word equation for anaerobic respiration in yeast and plant cells: glucose → ________ + carbon dioxide

Accepted Answer

ethanol

Question 12

Which of these in NOT a response of the body to supply the muscles with more oxygenated blood during exercise?

Accepted Answer

temperature increase

Answer

breath volume increase

Answer

heart rate increase

Answer

breathing rate

Question 13

What substance builds up in the muscles during anaerobic respiration?

Accepted Answer

lactic acid

Answer

oxygen

Answer

carbon dioxide

Answer

urea

Question 14

Which of these events does NOT happen to muscles during extended periods of aerobic respiration?

Accepted Answer

build up of carbon dioxide in the body

Answer

muscles become fatigued

Answer

build up of lactic acid in the muscles

Answer

muscles stop contracting efficiently

Question 15

What is term used to describe the amount of oxygen the body needs after exercise to react with the accumulated lactic acid and remove it from cells?

Accepted Answer

oxygen debt

Answer

breathing rate

Answer

respiration deficit

Answer

aerobic respiration

Question 16

The lactic acid formed after anaerobic respiration is converted back to glucose. Where does this conversion take place?

Accepted Answer

liver

Answer

kidneys

Answer

lungs

Answer

heart

Question 17

What term describes the sum of all the reactions in a cell or the body?

Accepted Answer

metabolism

Answer

catabolism

Answer

anabolism

Answer

cellular respiration

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