1. Sap

2. Cortex

3. Active and passive transport

Asked by Trisha Gupta | 27th Jun, 2021, 07:43: PM

Expert Answer:

1. Sap - The fluid which circulates in the vascular system of a plant, consisting chiefly of water with dissolved sugars and mineral salts is called sap.

2. Cortex - Cortex, in plants, is a tissue of unspecialized cells lying between the epidermis (surface cells) and the vascular, or conducting, tissues of stems and roots.

3. Active and passive transport - Active transport is the movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration—against the concentration gradient. In passive transport, substances move from an area of higher concentration to an area of lower concentration in a process called diffusion.

Answered by Sheetal Kolte | 28th Jun, 2021, 12:36: PM