AP BIOLOGY

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PLANTS

ROOTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Structures of the root that protect the root from injuries as it grows deeper into the soil are called ____
A
root feathers
B
root caps
C
root hairs
D
root fingers
Explanation: 

Detailed explanation-1: -covered by a structure called the root cap. The root cap, which contains dead cells, protects the root from injury from rocks and other material as the root grows through the soil. The root cap also makes a slimy substance called mucigel (MUCE-i-jell).

Detailed explanation-2: -The root cap is a mass of cells (parenchyma cells) located at the tip of the root that protects it from mechanical damage.

Detailed explanation-3: -The root cap is located at the tip of the root and protects the root apical meristem (RAM), a zone of dividing cells that produces all cells in the root (Figure 1).

Detailed explanation-4: -The root cap (RC) is a multilayered dome of spindle-shaped parenchyma cells that overlies the growing root tip. It is present in the roots of almost all crop species.

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