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Question

What is true about weeds:


A

All plants other than crops are weeds

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B

Some weeds can be eaten by us

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C

The best time for the removal of weeds is before they produce flowers and seed

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D

All of the above

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Solution

The correct option is D

All of the above


The correct option is D.
Explanation of the correct option:

  1. The unwanted plants that usually grow along with the desired crop are known as weeds.
  2. The growth of weeds is harmful as they consume a lot of fertilizers, water, sunlight etc which ultimately reduces the crop yield.
  3. Some weeds are edible. For example- Dandelion, chickweed etc.
  4. Weeds can be uprooted by hand or removed with the help of some tools such as a trowel, hoe or harrow.
  5. It is also controlled by the use of certain chemicals known as weedicides.

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