Plant Nutrition

Question 1

Cellulose

Answer 1

Cellulose is the main substance found in plant cell walls and helps the plant to remain stiff and strong.

Question 2

Nitrate

Answer 2

Plants use nitrates as a supply of nitrogen, which is needed to make proteins for healthy growth

Question 3

phosphates

Answer 3

Phosphorus is needed to make DNA and cell membranes

Question 4

potassium

Answer 4

Potassium is needed in enzymes involved in respiration and photosynthesis

Question 5

Stoma

Answer 5

They control water loss and gas exchange by opening and closing

Question 6

Waxy cuticle

Answer 6

They can also reduce the rate of transpiration by blocking air flow across the leaf surface.

Question 7

upper epidermis

Answer 7

The upper surface is covered with a waxy, waterproof cuticle, which serves to reduce water loss from the lea

Question 8

xylem

Answer 8

_on top

Water and minerals from roots -> Transpiration stream (the flow of water through a plant, from the roots to the leaves)

Question 9

Phloem

Answer 9

_below

Sucrose and amino acids -> Translocation (The transport of dissolved materials within a plant)

Question 10

Photosynthesis

Answer 10

Is the process that plants use to manufacture carbohydrates(glucose) from raw materials (Carbon and water) using energy from the sun

Question 11

Photosynthesis equations

Answer 11

Carbon dioxide + water = Glucose and Oxygen

_6CO2 + 6H2O -> C6H12O6 + 6O2