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Revision Test:
Transport in plants and animals
11
Biology
9th Grade
05/29/2011

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Term
The double circulation of the blood means that, for every complete circuit of the body,
Definition
blood flows twice through the heart
Term
Which features are shown by a red blood cell?
Definition
shape:disc
nucleus:absent
Term
What are the features of a xylem vessel?
Definition
side wall:thick
end wall:absent
Term
If some of the xylem of a young oak rtree was destroyed, it would most likely interfere with the tree's ability to
Definition
conduct water to the leaves
Term
There is a one-way movement of water and minerals from the cortex into the vascular cylinder of a root because
Definition
water molecules are in high concentration in the cortex.
Term
Water will move higher in a narrow glass tube than in a wide glass tube because of
Definition
capillary action
Term
Which functional plant cells lack a nucleus?
Definition
xylem only
Term
One important difference between the anatomy of roots and the anatomy of leaves if that
Definition
a waxy cuticle covers leaves but is absent in roots.
Term
Most of the water and minerals taken up from the soil by a plant are absorbed by
Definition
root hairs
Term
Define the term transpiration.
Definition
The process in which water is evaporated from leaves and stems in the form of vapor.
Term
Distinguish between arteries and veins.
Definition
Veins carry blood towards the heart and blood pressure is low.
Arteries carry blood away from the heart and blood pressure is high.
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