Question

how many types of meristamatic tissues are there for 9th class​

Answer 1

Answer:

Cells in these tissues can divide and form new cells. Meristematic tissues are of three types: (i) Apical Meristem: It is present at the growing tip of the stem and roots and increases the length. . (ii) Lateral Meristem (cambium): It is present beneath the bark.

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Answer 2

Answer:

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease.