Select the correct term for the following definition:

"The nutrient transport system in plants."

• Enzyme

• Guard cells

• Phloem

• Proteins

Recall the main funtion of a phloem cell.

• To transport nutrients (mainly sucrose) to different parts of a plant.

• To transport water to different parts of a plant.

• To make energy for the plant via photosynthesis.

• To provide structural support to a plant.

Tags

NGSS.MS-LS1-2

Recall which of the following form part of the phloem.

• Sieve-tube elements

• Trachieds

• Vessels

• Companion cells

Recall that the movement of food in the phloem is called.

• Translocation

• Transpiration stream

• Evaporation

• Respiration

Structure of phloem consists all below, except?

• Sieve tube element

• Tracheids

• Companion cell

• Sieve plate

Cells which transport assimilates in the plant are called ..........?

• Inorganic

• sieve elements

• key elements

• phloem elements

What is the most abudant solute in phloem sap?

• amino acids

• hormones

• sucrose

• minerals

What is the best words to describe sugar source and sugar sink

• Both are plants organ and act as storage

• Sugar sink can be either roots, fruit or mature leaves and sugar source is shoots

• Sugar source act as site for sugar production and sugar sink will store sugar

• Companion tube carry food from a sugar source to a sugar sink

Tags

NGSS.MS-LS1-6

Movement of sugar from source to other parts of plant is acheieved through...?

• active transport

• diffusion

• mass flow

• capillary action

All events below occurs in sink tissue, except

• Water potential increases

• Water enters sieve elements from xylem

• Higher(+ve) solute potential

• Phloem turgor pressure decrease

Tags

NGSS.MS-LS1-2

NGSS.MS-LS2-3