Life Processes

The kidneys in human beings are a part of the system for

1. Nutrition
2. Respiration
3. Excretion
4. Transportation

Solution:

The excretory system consists of a pair of kidneys, a pair of ureters, a urinary bladder and a urethra.

Correct answer: C

The xylems in plants are responsible for

1. Transport of water.
2. Transport of food.
3. Transport of amino acids.
4. Transport of oxygen.

Solution:

The xylem is conductive and vascular tissue useful for transport of water from roots to different parts of the plant.

Correct Answer: A