Photosynthesis

Question 1

What is Photosynthesis?

Answer 1

Photosynthesis is a chemical reaction that takes place in the chloroplasts to produce glucose.

Question 2

What is the equation for photosynthesis?

Answer 2

carbon dioxide + water ➞ oxygen + glucose

Question 3

What are the minerals plants need to grow?

Answer 3

1 nitrates for growth
2 phosphates for healthy roots
3 potassium for healthy leaves and flowers
4 magnesium for making chlorophyll

Question 4

What happens to a plant if it does not have enough of a mineral?

Answer 4

If a plant does not have enough of a mineral, it may suffer from a mineral deficiency. Farmers can use fertilisers to add missing minerals to the soil.

Question 5

How are leaves specially adapted for photosynthesis?

Answer 5

• have lots of green chlorophyll – absorb sunlight for photosynthesis • are thin – allow gases to diffuse in and out of the leaf
• have a large surface area – absorb as much light as possible
• have veins – xylem and phloem transport water and glucose