1.
Turgidity in plants is the result of
water entering the cells.
water leaving the cells.
the withdrawal of cytoplasm from the cell wall.
diffusion of materials into the cells.
2.
The movement of water into root hairs is by
osmosis
diffusion
capillarity
transpiration
3.
Transfusion of incompatible blood into a patient may lead to
production of antigens.
bursting of red blood cells.
formation of clots of blood.
production of antibodies.
4.
Which of the following structures in humans does not contain one-way valves?
Heart
Veins
Capillaries
Lymph vessels