Botany Snow Day ch. 25

which part of the plant moved the colored water up to the top of the plant

• xylem
• phloem
• roots
• flower

function of phloem

• transports water
• stores water
• transports sugar
• stores sugar

The role of the guard cell is to

• help control the temperature of the plant
• control how much water enters the leaf
• control how much glucose is stored
• control the movement of water vapour & gases 

The leaf has a shiny, waxy cuticle around it to

• increase the rate of photosynthesis
• attract more light
• control water loss
• stop carbon dioxide and oxygen gases escaping

Recall which of the following form part of the phloem.

• Sieve-tube elements

• Trachieds

• Vessels

• Companion cells

Small openings called ______ are found on the underside of leaves and allow gases to enter or leave the plant cells.

• Phloem
• Chloroplasts
• Xylem
• Stomata

Which of the following correctly orders the organization in plants and animals from least to complex?

• Cell --> Organ --> Tissue --> Organ System --> Organism
• Atom --> Cell --> Organ --> Tissue --> Organism
• Cell --> Tissue --> Organ --> Organ System --> Organism
• Organism --> Organ System --> Organ --> Tissue --> Cell

Structure of phloem consists all below, except?

• Sieve tube element

• Tracheids

• Companion cell

• Sieve plate

What is the purpose of root hairs?

• To improve the plants structure

• To keep the roots warm

• To increase surface area for water absorption

• To open the stoma

What is the name given to the openings in a leaf?

• Guard Cells

• Stomata

• Epidermis

• Waxy Cuticle