Biology Practice Tests – The Transport Systems


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Carbon dioxide is carried in the plasma _______

A. in combination with haemoglobin
B. in combination with antibodies
C. by capillary action
D. as bicarbonate ion.


Which of the following substances pass through the root cell membrane by osmosis?

A. cel lsap      B. carbon dioxide      C. oxygen      D. water.





The movement of material in the xylem and phloem tissues of the plant is represented by the arrows labelled _______

A. III and IV respectively
B. II and I respectively
C. I and II respectively
D. IV and III respectively.


Blood Composition Individual

Plasma

Red Blood Cells

White Blood Cells

Platelets

I

Normal

Normal

High

Normal

II

Normal

Normal

Normal

Normal

III

Normal

Normal

Low

Normal

IV

Normal

Normal

Normal

Low


Which of the individuals is likely to be suffering from haemophilia?

A. I     B. II     C. III     D. IV


Which of the following statements is true about transpiration? It is the ______

A. loss of water in the form of vapour from the surface of the leaf.
B. loss of water in the form of vapour from the surface of the leaf.
C. absorption of water in the form of vapour from the body of the plant.
D. movement of water through the body of the plant.


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