Question

Tap roots are commonly found in

• A. Gymnosperms
• B. Angiosperms
• C. Dicots
• D. Monocots

Answer 1

Answer: (C)

Dicots

Dicots are the plants which have seeds with two cotyledons. Tap roots are commonly found in dicots. It develops from the radicle of the seed. It has a main strong primary root. Primary root is further branched into secondary and tertiary roots. In plants like carrot, the tap roots are modified for storage which supports the plants during unfavourable condition.

On the basis of shape, tap root is classified into conical, fusiform and napiform. The root tuber is conical in conical taproot, for example, carrot. The root tuber is widest in the middle and tapers towards the top and the bottom in fusiform. For example, radish. The root tuber is very broad at the top and tapers suddenly like a tail at the bottom in napiform. For example, turnip.

So, the correct answer is option C.