UNIT 7 PHOTOSYNTHESIS

The main source of energy for all life comes from …

• the earth

• the sun

• the food we eat/make

How do plants get their energy?

• they make their own food  

• they eat other plant

• they keep their food in the root

Plants use light energy from the sun to produce the food they need to survive. What do we call this process?

• fertilisation

• photosynthesis

• pollination

What do plants need to carry out Photosynthesis?

• sugar, oxygen, sunlight

• oxygen, water, sunlight

• carbon dioxide, water, sunlight

Which statement about photosynthesis is correct?

• Plants get the energy they need for photosynthesis from water

• Plants get the energy they need for photosynthesis from sunlight

• Plants get the energy they need for photosynthesis from soil

What do plants absorb from the air during photosynthesis?

• oxygen

• carbon dioxide

• minerals

What do plants release into the air during photosynthesis?

• oxygen

• carbon dioxide

• water

Which of the statement below is not true about photosynthesis?

• it makes the water for our planet  

• it captures and makes the sun's energy available to all species

• it turns deadly carbon dioxide into oxygen for us to breath

Here some substances that has function to absorb sunlight for photosynthesis, Except ... 

• chloroplast

• thylakoid

• chlorophyll

Which of the following is the correct process of Photosynthesis?

• carbon dioxide + light + water --> oxygen+ sugar

• carbon dioxide + sugar + water --> oxygen + light

• carbon dioxide + oxygen + water --> light+ sugar