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Question

Roots that store food materials are called


A

Taproot

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B

Primary root

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C

Fibrous root

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D

Tuberous root

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Solution

The correct option is D

Tuberous root


The correct option is D.

Explanation of correct option:

  1. A tuberous root is an elongated fleshy root that has been transformed into a storage organ, producing shoots on one end and roots on the other.
  2. It is a modified form of root that helps to store food material.

Explanation of incorrect options:

Option A:

  1. The main root of a principal root system that grows vertically downward is called a taproot.
  2. Taproots are produced by most dicotyledonous plants (see cotyledon), such as dandelions.
  3. These roots do not help in the storage of food materials.

Option B:

  1. When a seed germinates, the major root, or radicle, is the first organ to develop.
  2. It anchors the seedling by growing downward into the earth and do not store food materials

Option C:

  1. Fibrous roots are thin somewhat branched roots that sprout from the stem to produce a fibrous root system.
  2. These types of roots are not suitable types for storage.
  3. Monocotyledonous plants and ferns all have a fibrous root structure.

Final answer: Roots that store food materials are called tuberous roots.


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