LIFE PROCESSES

Question 1

word equation for aerobic respiration

Answer 1

glucose + oxygen -> carbon dioxide + water + (energy)

Question 2

which system does the body get glucose for respiration

Answer 2

the digestive system

Question 3

in which part of our cells does respiration mainly occur

Answer 3

mitochondria

Question 4

products of respriration

Answer 4

carbon dioxide, water

Question 5

test for carbon dioxide

Answer 5

limewater turns cloudy

Question 6

the word aerobic indicates the presence of which gas

Answer 6

oxygen

Question 7

which unit is energy usually measured in

Answer 7

joules, J

Question 8

how many joules in a kilojoule

Answer 8

1000J

Question 9

symbol for kilojoule

Answer 9

kJ

Question 10

if a food is high in energy then what nutrient/s is it likely to contain

Answer 10

lipids/fats, carbs

Question 11

7 nutrients

Answer 11

carbohydrates
proteins
lipids
vitamins
minerals
water
fibre

Question 12

foods high in which nutrient help repair muscles

Answer 12

protein

Question 13

why do we need fibre

Answer 13

to add bulk to the food and help it pass through the digestive system (prevents constipation)

Question 14

what can we get if we don’t get enough vitamin c

Answer 14

scurvy

Question 15

2 sources of vitamin c

Answer 15

fruit and veg

Question 16

examples of carbs

Answer 16

rice, potato and bread

Question 17

examples of protein

Answer 17

meat, fish and nuts

Question 18

sugar and starch are both types of

Answer 18

carbs

Question 19

which test do we use to detect the presence of starch

Answer 19

iodine