Membranes And Transport worksheets
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What is the most abudant solute in phloem sap?
amino acids
hormones
sugar
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
Structure of phloem consists all below, except?
Sieve tube element
Tracheids
Companion cell
Sieve plate
Which of the following indicates the pathway of water through a plant?
root hair cell --> xylem --> stomata
stomata --> root hair cell --> xylem
xylem --> stomata --> root hair cell
Which statement describes the phloem transport system of plants?
It transports sugar and is lignified
It transports sugar and is not lignified
It transports water and is lignified
Choose the two statements that indicate what would be happening in the plant when stomata are open.
Guard cells are turgid
Guard cells are plasmolysed
Transpiration increase
Transpiration decrease
Which statement correctly identifies the substance and direction it is transported in the xylem?
Water, only upwards
Glucose, only upwards
Water, up and down the plant
Glucose, up and down the plant
Xylem tubes are made of...
Dead cells
Living cells
Which process are the phloem tubes part of?
Translocation
Transpiration
Which process are the xylem tubes part of?
Translocation
Transpiration
What is the form of sugar being move to companion cells?
glucose
maltose
sucrose
starch
Transpiration is a part of____________?
Condensation
Sublimation
Evaporation
Precipitation
What is a cuticle? Choose 2
A waxy layer of a fatty substance called cutin covering the epidermis
A waxy layer of a fatty substance called cutin covering the dermis
Part of Xylem
A plant cuticle is a protecting film covering the epidermis of leaves
The three main functions of roots in a plant are: (choose 3)
To connect to other plants nearby
To anchor the plant in the ground.
To absorb water and minerals from the soil.
To store food when necessary.
Shoots consists of _________ including _________ and buds, flowering stems and flower buds.
roots; leaves
stems; roots
stems; leaves
flower; leaves
Recall the main function of a xylem cell.
To transport nutrients (mainly sucrose) to different parts of a plant.
To make energy for the plant via photosynthesis.
To transport carbon dioxide to the leaves for photosynthessis.
To transport water to different parts of plant.
Recall what substance is used to thicken and strengthen xylem walls in woody plants.
Protein
Mineral ions
Lignin
Glucose
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