AP BIOLOGY

PLANTS

ROOTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What type of root reaches deep into the soil to obtain water and nutrients?
A
creeping roots
B
fibrous roots
C
taproots
Explanation: 

Detailed explanation-1: -Taproots are long, thick roots that grow deep into the soil. They are used to anchor plants and absorb water and nutrients from the soil. Many taproots also have secondary roots that grow out from the main root.

Detailed explanation-2: -A tap root system penetrates deep into the soil. In contrast, a fibrous root system is located closer to the soil surface, and forms a dense network of roots that also helps prevent soil erosion (lawn grasses are a good example, as are wheat, rice, and corn).

Detailed explanation-3: -The Taproot system is divided into two types. These are the Deep feeder and Surface feeder.

Detailed explanation-4: -A taproot system is one in which the primary root becomes the main root of the plant. The main root bears many side branches called secondary roots. The taproot system occurs in dicot plants.

Detailed explanation-5: -Taproot consists of the one, long main root, where secondary, tertiary and rootlets are visible. Even the primary root is very thick as compared to other roots (Carrot, Radish). Whereas fibrous oradventitious roots contains short-lived roots, which are shallow and the growth can be either underground or aerial.

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