Photosynthesis

Question 1

Define photosynthesis

Answer 1

The process that produces ‘food’ in plants. The ‘food’ it produces is glucose.

Question 2

Word equation for photosynthesis

Answer 2

Carbon dioxide + water –> glucose + oxygen

Question 3

Why is photosynthesis important?

Answer 3

It converts light energy to chemical energy, which is stored in glucose.

Question 4

What are the 5 layers of a plant

Answer 4

1) Palisade mesophyll
2) Spongy mesophyll
3) Upper epidermis
4) Lower epidermis
5) Waxy cuticle

Question 5

6 adaptations of a leaf for photosynthesis

Answer 5

1) They are broad, so there’s a large surface area exposed to light.
2) There are chloroplasts in the Palisade layer so that they are near the top of the leaf where they can get the most light.
3) The upper epidermis is transparent so that light can pass through it to the palisade layer.
4) Leaves have a network of vascular bundles-these are the transport vessels xylem and phloem which deliver water, nutrients, and ions around the plant.
5) The waxy cuticle prevents the entry of disease and helps to reduce water loss by evaporation.
6) There are lower surface has little holes called stomata which let CO2 diffuse into the leaf.