plant nutrition

Question 1

photosynthesis

Answer 1

the process in which plants synthesise carbohydrates from raw materials using energy from light

Question 2

epidermis

Answer 2

the outer layer of tissue on a plant also the outer layer of an animals skin

Question 3

secrete

Answer 3

make a useful substance and then send it out of a cell where it is made, to be used in another part of the body

Question 4

cuticle

Answer 4

a think layer of wax that covers the upper surface of a leaf

Question 5

palisade mesophyll

Answer 5

the layer of cells immediately beneath the upper epidermis where most photosynthesis happens

Question 6

spongy mesophyll

Answer 6

the layer immediately beneath the palisade mesophyll we some photosynthesis happens the tissue contains a lot of air spaces

Question 7

stomata

Answer 7

openings on the surface of the leaf most commonly in the lower surface; they are surrounded by pairs of guard cells which control whether the stomata are open or closed

Question 8

guard cells

Answer 8

a pair of cells that surrounds a stomata and controls it’s openings; guard cells are the only cells in the epidermis that contain chloroplasts