Form 1 Cell Physiology Questions Teacher - Co .Ke
Form 1 Cell Physiology Questions Teacher - Co .Ke
Form 1 Cell Physiology Questions Teacher - Co .Ke
1. The table below shows the concentration of some ions in pond water and in the cells sap
Sodium 50 30
Potassium 2 150
Calcium 1.5 1
a) Name the processes by which the following ions could have been taken up by this
plant. (2mks)
i) Sodium ions
b) For each processes named in (a) (i) and (ii) above, state one condition necessary
(2mks)
7. Explain why plant cells do not burst when immersed in distilled water. (2mks)
a) Isotonic solution
b) Hypotonic solution
10. Addition of large amounts of salt to soil in which plants are growing kills the plants.
Explain (6mks)
a) Red blood cells burst when placed in distilled water while plant cells remain
intact.
b) Fresh water protozoa like amoeba do not burst when placed in distilled water.
(2mks)