Respiration

Question 1

We need energy for …

Answer 1

Movement

Question 2

Humans and other mammals need energy to …

Answer 2

Keep warm

Question 3

We also need energy for chemical reactions to build …

Answer 3

Larger molecules

Question 4

Proteins are made by …
And how does this link to respiration ?

Answer 4

Chemically joining amino acids

This links to respiration because it requires energy

Question 5

The energy we need is supplied by what process ?

Answer 5

Cellular respiration

Question 6

Respiration is a what type of reaction ?

Answer 6

Exothermic

Question 7

Why is respiration an exothermic reaction ?

Answer 7

It releases energy

Question 8

Respiration takes place in all living cells , true or false ?

Answer 8

True

Question 9

Fill in the blank :

…. + oxygen —-> carbon dioxide + water
( and energy )

Answer 9

Glucose

Question 10

Fill in the blank :

Glucose + …. —-> carbon dioxide + water
( and energy )

Answer 10

Oxygen

Question 11

Fill in the blank :

Glucose + oxygen —-> … + water
( and energy )

Answer 11

Carbon dioxide

Question 12

Fill in the blank :

Glucose + oxygen —-> carbon dioxide + ….
( and energy )

Answer 12

Water

Question 13

Fill in the blank :

Glucose + oxygen —-> carbon dioxide + water
( and …. )

Answer 13

Energy

Question 14

Aerobic respiration releases lots of what ?

Answer 14

Energy

Question 15

In aerobic respiration , the glucose molecule is not fully oxidised

True or false ?

Answer 15

False

Question 16

The chemical symbol for glucose is …

Answer 16

C6 H12 06

Question 17

The symbol for oxygen is …

Answer 17

02

Question 18

The symbol for carbon dioxide is …

Answer 18

C02

Question 19

The symbol for water is …

Answer 19

H20

Question 20

What happens during respiration if there isn’t enough oxygen ?

Answer 20

Anaerobic respiration takes place

Question 21

In muscles , cells need lots of energy for ….

Answer 21

Contraction

Question 22

If the energy is limited in muscle cells , what takes place ?

Answer 22

Anaerobic respiration

Question 23

Glucose —-> lactic acid is the equation for …
( and energy )

Answer 23

Anaerobic respiration

Question 24

Glucose + oxygen —-> carbon dioxide + water is the equation for …

Answer 24

Aerobic respiration

Question 25

Fill in the blanks : …. —> lactic acid ( and energy )

Answer 25

Glucose

Question 26

Fill in the blanks : Glucose —> …. ( and energy )

Answer 26

Lactic acid

Question 27

Fill in the blanks : Glucose —> lactic acid ( and … )

Answer 27

Energy

Question 28

Anaerobic respiration requires oxygen - true or false ?

Answer 28

False

Question 29

Which one produced more energy , anaerobic or aerobic respiration ?

Answer 29

Aerobic respiration

Question 30

Why doesn’t anaerobic respiration release as much energy ?

Answer 30

This is because in anaerobic respiration , the glucose isn’t fully oxidised True

Question 31

Anaerobic respiration can take place in :

Answer 31

Plant cells , yeast cells and muscle cells

Question 32

The equation Glucose —> ethanol + carbon dioxide ( and energy ) Is for ?

Answer 32

Anaerobic respiration in plant and yeast cells

Question 33

Fill in the blanks : …. —> ethanol + carbon dioxide ( and energy )

Answer 33

Glucose

Question 34

Fill in the blanks : Glucose —> … + carbon dioxide ( and energy )

Answer 34

Ethanol

Question 35

Fill in the blanks : Glucose —> ethanol + …. ( and energy )

Answer 35

Carbon dioxide

Question 36

Fill in the blanks : Glucose —> ethanol + carbon dioxide ( and … )

Answer 36

Energy

Question 37

Why is anaerobic respiration in the case of yeast useful ?

Answer 37

Fermentation , as we use this to make alcoholic drinks such as beer due to the ethanol in it

Question 38

What is fermentation ?

Answer 38

Anaerobic respiration in yeast cells

Question 39

We use yeast to make …

Answer 39

Alcohol and bread

Question 40

In the case of bread , what in the produce of fermentation is useful ?

Answer 40

The carbon dioxide

Question 41

The carbon dioxide in bread from fermentation causes ….

Answer 41

The bubbles in the dough to rise