Which of the following facts proves that the translocation of materials occurs through the phloem?

Which of the following is responsible for passive guttation?

Which of the following statements are correct regarding the factors affecting the absorption of water by plants?
$(i)$ In plants,the rate of water absorption is minimum at a soil temperature of $20^{\circ}C$ to $30^{\circ}C$.
(ii) The presence of capillary water is essential in the soil.
(iii) Poorly aerated soil shows a poor absorption rate.
(iv) $A$ low transpiration rate accelerates the rate of absorption of water in irrigated soil.
$(v)$ $A$ high concentration of solutes in soil water reduces the rate of absorption of water.

- Transport of water and minerals in $Xylem$ is $\underline{A}$.
- Transport of organic and mineral nutrients is $\underline{B}$.

During the day, the turgidity of leaf cells decreases, but they regain it during the night. What is this process called?

Differentiate between apoplast and symplast pathways of water movement. Which of these would need active transport?