science chaoter 12

what is photosynthesis?

Answer explanation

the process by which green plants, in the presence of light energy and chlorophyll, make glucose^_(food) from carbon dioxide and water.

what is the end product on photosynthesis?

What's the raw materials necessary for photosynthesis

what is the conditions required for photosynthesis

Answer explanation

the presence of sunlight and chlorophyll are the conditions required

why do we need food? (mem all pls)

• repair worn out tissues

• maintain a healthy body

• grow new cells and tissues

• rovide us with energy for our daily activities (like walking)

why do we need food?

Answer explanation

to repair worn out tissues

to maintain a healthy body

to grow new cells and tissues

it provides us with energy for our daily activities

list all the 7 types of nutrients

Answer explanation

proteins

carbohydrates

fats

fibre

vitamins

mineral salts

water

what are the three main types of foods that supply our body with energy

proteins make up about _% of our total body mass

• 30

• 16

• 13

• 26

importants of protein (mem)

• provide us with energy

• build new cells for body growth

• repair worn out tissued