Plant Nutrition

Question 1

Photosynthesis

Answer 1

The process by which plants make carbohydrates from raw materials of water and carbon dioxide, using light energy from the sun.

Question 2

Photosynthesis equation

Answer 2

Written
carbon dioxide + water light (over) chlorophyll glucose + oxygen

chemical
6CO2 + 6H2O light (over) chlorophyll C6H1206 + 6O2

Question 3

Chlorophyll

Answer 3

Absorbs sunlight

Question 4

Glucose

Answer 4

Made during photosynthesis. Used as food for the plant.

Question 5

Upper and Lower epidermis

Answer 5

Used to support and protect the leaf

Question 6

Cuticle

Answer 6

Prevents water loss through the top of the leaf

Question 7

Palisade mesophyll

Answer 7

Contains chloroplasts for photosynthesis

Question 8

Spongy mesophyll

Answer 8

Provides air space so gases can diffuse to and from the plant

Question 9

Air spaces (what do the allow?)

Answer 9

Allows diffusion of gases

Question 10

Xylem

Answer 10

Brings in water

Question 11

Phloem

Answer 11

Transports glucose throughout the plant

Question 12

Guard cells

Answer 12

Opens and closes the stomata

Question 13

Stomata

Answer 13

Where gas exchange takes place, not a cell itself, located at the bottom of the leaf in the gap between the guard cells