Biology Practice Test – The Transport Systems (Questions with Answers and Explanations)

Which of the following treatments would increase the rate of transpiration in a potted plant?

A. Placing it in a cold room
B. Placing it under a fan in a room
C. Puffing it in a cupboard
D. Smearing grease on the lower surface of the leaves

A pulse is best described as ______

A. contraction of arteries to let our blood.
B. contraction of veins to allow blood into them.
C. dilation of arteries to accommodate blood rushing through.
D. pumping action of the heart to move blood round the body.

The hepatic portal vein is often heavily loaded with food-nutrients because it carries blood