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Ecosystem and Ecological Interactions

What are weed...

Question

What are weeds? Why are they harmful to crops? [2 marks]

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Solution

Weeds are undesirable plants that grow with crops. (1 mark)

Weeds affect the growth of the crop as they compete with crops for sunlight, water and nutrients. (1 mark)

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Similar questions

What are weeds? Why should they be removed in early stages of crop growth ?

Q. Why it is necessary to remove weeds that grow near the crops?

Q. Weeds are termed as harmful living beings to the growth of plants. Explain.

Q. Choose the correct option.

Statement 1: Weeds are small plants which compete with crops for nutrition.

Statement 2: Weeds can eventually lead to the death of crops.

Q. Weeds not only use nutrients from the soil but are also
a. Harmful for some organisms including human beings.
b. Useful to the crops and harmful for human beings.
c. Harmful to the crops and some animals.
d. Crop specific.
Select the alternative which includes all the correct statements.

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