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WorksheetsTransport, storage and gas exchange in flowering plants
Total questions: 17
Worksheet time: 10mins
Organisms that make their own food are called which of the following
Autorobitic
Autotrophic
Multitrophic
Autocratic
Which of the following are adaptions of root hairs for absorption
Very numerous increasing surface area
Green all over
thin walls
Not covered by a cuticle
How does the absorption of water into the root hairs take place
Diffusion
Active transport
Osmosis
Soaking
Which of the following (more than one) cause the movement of water from the roots to the upper parts of the plants
Root pressure
Ground tissue
Transpiration
Evaporation
What is the structure of the leaf labeled A in the diagram
Stomata
Guard Cells
Upper epidemies
Palisade layer
What is the structure of a leaf labelled B in this diagram?
Cuticle
Spongy Mesophyll
Palisade Layer
Lower Epidermis
Which of the following leaf structures prevent a leaf from losing wafer through transpiration
Tall stems
Waxy Cuticle
Stomata on lower surface
Guard cells
Green colour
Which of the following environmental conditions can cause the stomata to close during the day because the rate of transpiration is too great
Humid Weather
If plant loses too much water
high temperatures
high wind
high level of carbon dioxide
What is the fate of most of the oxygen produced by photosynthesis
evaporates
Diffuses out through the stomata
stored in the leaf
Which of the following is true for the fate of Glucose produced by photosynthesis
Used in respiration to make energy
Evaporated from the leaf
Leaves through the stomata
A carrot is an example of a modified..
stem
root
flower
A potato is an example of a modified ...
Modified root
modified stem
Modified leaf
Irish scientists first described how water travels from the roots of a plant to the leaves were called
Joe Dixon and John Joly
John Dixon and henry Joly
Henry Dixon and John Joly
What is cohesion?
water molecules attracted to water molecules
Water molecules attracted to lignin in plant cell walls
Water molecules attracted to root hairs
What is adhesion
Different molecules stick to one another
Water molecules stick to one another
Water vapor is lost through the leaves
The model used to describe how water molecules travel from the root up to the leaves
Adhesion-tension model
cohesion-tension model
Cohesion - adhesion model
High levels of carbon dioxide in the atmosphere causes the stomata in a leaf to
open
close
