EVERYDAY SCIENCE

SCIENCE

BOTANY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Plants whose roots branch into many small primary and secondary roots
A
fibrous
B
taproot
C
foliage
D
margin
Explanation: 

Detailed explanation-1: -Fibrous root systems have many small branching roots, called fibrous roots, but no large primary root. The huge number of threadlike roots increases the surface area for absorption of water and minerals, but fibrous roots anchor the plant less securely.

Detailed explanation-2: -In a fibrous root system, the roots grow downwards into the soil, and also branch off sideways throughout the soil. This forms a mass of fine roots, with no distinct tap root, because the embryonic root dies back while the plant is still young and growing.

Detailed explanation-3: -Plants which have fibrous roots are: wheat, maize, grass, banana, bamboo, etc.

Detailed explanation-4: -Most vascular plants have two types of roots: primary roots that grow downward and secondary roots that branch out to the side. Together, all the roots of a plant make up a root system. Roots have three major jobs: absorbing water and minerals, anchoring and supporting the plant, and storing food.

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