NEET BIOLOGY

PLANT PHYSIOLOGY

PLANT GROWTH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is meristematic tissue AND where is it found?
A
undifferentiated tissue; throughout entire plant.
B
undifferentiated tissue; in apical and lateral meristems.
C
differentiated tissue, throughout plant
D
differentiated tissue; in apical and lateral meristems
Explanation: 

Detailed explanation-1: -Meristematic tissue can be divided into apical meristems and lateral meristems: Apical meristems occur at shoot and root tips and are responsible for primary growth (i.e. plant lengthening) Lateral meristems occur at the cambium and are responsible for secondary growth (i.e. plant widening / thickening)

Detailed explanation-2: -Meristematic tissue is made up of a group of cells that divide continuously to form new cells. This tissue is found in the growing regions of plants such as the tips of roots, stems, and branches. The function of meristematic tissue is to make plants grow. The cells of meristematic tissue are small and cubical.

Detailed explanation-3: -Meristematic tissue is growth tissue and the location of most cell division. It is known as undifferentiated tissue because cells in the meristematic tissue will eventually become vascular, ground, or dermal tissue. Plants generally grow where meristematic tissue is present.

Detailed explanation-4: -Meristematic tissues are the tissues in which the cells divide continuously and help in increasing the length and girth of the plant.

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