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NDA General Science Chemistry Questions Part 1
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Question : 65
Total: 100
Which of the following are the characteristics of organic farming?
1. Use of chemical fertilizers to improve soil fertility.
2. Frequent decomposing and fallowing.
3. Use of herbs to control pests.
4. Higher productivity per hectare.
Select the correct answer using the code given below:
[NDA I 2015]
1 and 4 only
1,3 and 4
2 and 3 only
2,3 and 4
Validate
Solution:
In organic farming, weed and pest control is based on methods like crop rotation, biological diversity, natural predators, organic manures and suitable chemical, thermal and biological intervention.
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