AP BIOLOGY

PLANTS

ROOTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
this system is an extensive mass of smaller, widely spread roots
A
taproot system
B
fibrous root system
Explanation: 

Detailed explanation-1: -Explanation: Taproot system is the system which has an extensive mass of smaller, widely spread roots.

Detailed explanation-2: -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-3: -A fibrous root system is the opposite of a taproot system. It is usually formed by thin, moderately branching roots growing from the stem. A fibrous root system is universal in monocotyledonous plants and ferns. The fibrous root systems look like a mat made out of roots when the tree has reached full maturity.

Detailed explanation-4: -A fibrous root system is universal in monocotyledonous plants and ferns. The examples of plants with fibrous roots are maize, paddy, wheat, grass etc.

Detailed explanation-5: -Rice, wheat, maize, marigold, banana and all monocotyledons are some examples of the fibrous root system.

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