AP BIOLOGY

PLANTS

ROOTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What part of the root protects it as it grows in soil?
A
apical meristem
B
endodermis
C
epidermis
D
root cap
Explanation: 

Detailed explanation-1: -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-2: -The root cap is a mass of cells (parenchyma cells) located at the tip of the root that protects it from mechanical damage. It also secretes a slimy substance called mucilage to help the root grow more smoothly into the soil.

Detailed explanation-3: -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-4: -The small tissues present at the tip of the root of the plant is known as root cap. The root cap is also known as calyptra.

Detailed explanation-5: -Statement 1: Root cap protects the root meristem from the friction of the soil and its outer cells are continuously replaced by newer ones. Statement 2: The effect of the soil-friction damages the outer cells of root cap which are peeled off and replaced by new cells produced by root meristem.

There is 1 question to complete.