Science Form 3_Chap 3.4 Transport System in Plants

Transpiration is a process of

• water gain in the form of liquid

• water loss in the form of water vapour

• water gain in the form of water vapour

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Where is evaporation takes place at a plant?

• trunk

• root

• under the leaves

• surface of leaves

Epidermis of a leaf is made up of

• single layer of epidermal cells

• double layer of epidermal cells

• triple layer of epidermal cells

Where are the epidermal cells cover at a plant

• upper surface of a leaf

• lower surface of a leaf

• both upper and lower surfaces of a leaf

What is the use of waxy cuticle

• covers the outer surface of the leaf

• reduce water loss during transpiration

• reduce the heat cause by the sun

• increase the activity of photosynthesis

Water loss during transpiration through...

• root

• flower

• stomatal pores found in the epidermis

• fruit

When photosynthesis takes place during the day, stomata will...

• open

• close

• static

• hot

When is the hydathodes usually open?

• at day

• at night

• when the humidity is hight

• when the humidity is low

What are the factors affecting the rate of transpiration in plant?

• temperature

• light intensity

• air humidity

• movement of air

• all

The plant tissue that carries food materials DOWNWARD from the leaves to the rest of the pant is the ______.

• Phloem
• Stomata
• Chlorophyll
• Xylem