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Question

What are the different ways an insect can affect a plant?


A

They cut the root, stem and leaf

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B

They suck the cell sap from various parts of the plant

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C

They bore into stem and fruits

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D

They help the plant to grow by eating away the harmful toxins present in the plant

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Solution

The correct options are A) They cut the root, stem, and leaf

B) They suck the cell sap from various parts of the plant.

C)They bore into stem and fruits.

Different ways insect affecting a plant:

  1. Field crops are infected by a large number of weeds, insects, pests, and diseases.
  2. Generally, insect pests attack the plants in three ways: (i) they cut the root, stem, and leaf, (ii) they suck the cell sap from various parts of the plant, and (iii) they bore into stem and fruits.
  3. They thus affect the health of the crop and reduce yields.
  4. Moths and butterflies which have a complete life cycle similar to beetles except that the damaging stage, usually feed on the stems, leaves, or fruits.
  5. Another important method that insects use to feed on plants is piercing the epidermis (skin) and sucking sap from cells. In this case, only internal and liquid portions of the plant are swallowed, while the insect feeds externally on the plant.


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