Question

which of the following help in lateral growth? root apical meristem, intercalary meristem, shoot apical meristem, lateral meristem​

Answer 1

The lateral meristems can be defined as the meristems present on the lateral side of the central longitudinal axis of the stem or the root of a plant which helps to increase the thickness of the plants (secondary growth).

The lateral meristems are of two types- vascular cambium and the cork cambium.

Vascular cambium is also known as fascicular cambium which develops within the vascular bundles that produce xylem to the inner side and phloem to the outer side.

1) When the cambial layer which is formed within the vascular bundles in the stems of a plant which forms a ring of tissues it is called the interfascicular cambium.

2) The cambial layer present between the primary xylem and primary phloem is called the intrafascicular cambium.

The cork cambium is also known as phellogen that forms a layer of cells which produces a secondary protective layer of the stem called the periderm.

So, the correct answer is 'Fasicular vascular cambium, interfascicular cambium and cork cambium'.

I hope this helps you

Answer 2

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