Multiple choice questions:

1. Mention the main function of the xylem in plants?
a) Transport of sugars
b) Transport of water and minerals
c) Transport of hormones
d) Storage of food


2. Name the process that is primarily responsible for water movement through a plant.
a) Transpiration
b) Osmosis
c) Diffusion
d) Active transport

3.The  plant tissue  responsible for the transport of organic nutrients like sugars is --------- .
a) Xylem
b) Phloem
c) Cortex
d) Epidermis

4. What is the driving force behind the upward movement of water in plants?
a) Root pressure
b) Transpiration pull
c) Capillary action
d) All of the above

5. Which of the following best explains the movement of substances in the phloem?
a) Osmosis
b) Diffusion
c) Pressure flow hypothesis
d) Cohesion-tension theory