Define the following term- a. Collenchyma
b. Aerenchyma
Please answer as such that it is suitable for 5 marks.​

Collenchyma is a supporting tissue composed of more or less elongated living cells with unevenly thickened, nonlignified primary walls.

Aerenchyma is a modification of the parenchyma to form a spongy tissue that creates spaces or air channels in the leaves, stems and roots of some plants, which allows exchange of gases between the shoot and the root.

Explanation:

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

explanation:

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