Photosynthesis

Photosynthesis is the process in which [1] __________  use [2] __________  energy to make food, especially in the [3] __________ .

• 1 plants

  2 light

  3 leaves

• 1 light

  2 plant

  3 leaves

• 1 leaves

  2 light

  3 plants

State the word and symbol equation which represents photosynthesis.

[1] __________ dioxide + water + [2] __________ energy → [3] __________ + oxygen

• 1 carbon

  2 glucose

  3 light

• 1 carbon

  2 light

  3 glucose

• 1 light

  2 carbon

  3 oxygen

From the following list which is NOT needed for photosynthesis to take place?

• oxygen

• carbon dioxide

• water

• chlorophyll

Answer explanation

plants produce and release oxygen

Which process from the choices below takes place during photosynthesis

• energy is released as light

• oxygen is released

• glucose is converted to carbohydrates

• starch is broken down into carbon dioxide

Where does all the energy in food originate from?

• soil

• air

• sunlight

• water

Which of these two facts is correct about glucose during photosynthesis?

• Some of the glucose made during photosynthesis is converted into insoluble starch.

• Part of the glucose made during photosynthesis is used to release energy during  respiration.

Answer explanation

trick question both are correct

Is photosynthesis an exothermic (gives heat out) or endothermic (takes heat in) reaction?

• Endothermic

• Exothermic

Where is chlorophyll mainly found in a plant?

• stem

• chloroplasts

• roots

What part of the plant soaks up water for photosynthesis?

• roots

• petals

• leaf

• stem

True or False: Plants make their own food and use the energy from the food that is made.

• True

• False