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प्रश्न
Given below are statements about the harmful effects of weeds on crop plants.
- They interfere in harvesting.
- They help crop plants to grow healthily.
- They compete with crop plants for water, nutrients, space and light.
- They affect the plant growth.
Choose the correct combination of statements.
पर्याय
i, ii, iv
iii, iv
iii only
i, ii, iii, iv
उत्तर
i, ii, iv
Explanation -
Statements i, iii and iv are correctly suggesting the harmful effects of weeds. Weeds are the undesirable plants that grow along the main crops.
Removal of weeds is necessary because they interfere and affect the major crop’s growth, by competing for light, water, nutrients and space.They also interfere during harvesting procedure.
Weeds do not help in healthy growth of crop plants.
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