AP BIOLOGY

PLANTS

ROOTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Area where the cells previously produced by the root apical meristem expand in length and volume.
A
Zone of Differentiation
B
Zone of Emergence
C
Zone of Elongation
D
Zone of Initiation
Explanation: 

Detailed explanation-1: -The elongation zone is present between the maturation and the meristematic zone of the root tip. The cells formed in the meristematic zone change into permanent cells and start the process of elongation. The new cells enlarge in their length, thereby lengthening the root.

Detailed explanation-2: -apical meristem, region of cells capable of division and growth in the root and shoot tips in plants. Apical meristems give rise to the primary plant body and are responsible for the extension of the roots and shoots.

Detailed explanation-3: -Region of Elongation It lies next to the meristematic region. These are newly formed cells which lose the power of division, hence, they elongate rapidly.

Detailed explanation-4: -An apical meristem lies under and behind the root cap and, like the stem apical meristem, it produces the cells that give rise to the primary body of the plant. Unlike the stem meristem, it is not at the very tip of the root; it lies behind the root cap.

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