Question

HOTS HIGHER ORDER THINKING SKILLS : Think and Answer. 1. What is the organic farming ? 2. What are the drawbacks of seeds being unevenly distributed in a field? 3. Why is the use of biopesticides encouraged over chemical pesticides? 4. What is mulching and its advantages ? 5. Name the grains which are termed millets.​

Answer 1

Answer:

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1)Organic farming is an agricultural system which originated early in the 20th century in reaction to rapidly changing farming practices.

4) Reduces weed growth by keeping light from reaching the soil surface. Reduces water loss from the soil surface, which helps maintain soil moisture.

5) The following are the names of grains that are termed as millets:

• Jowar: Sorghum.
• Ragi: Finger millet.
• Korra: Foxtail millet.
• Arke: Kodo millet.
• Bajra: Pearl millet.
• Sanwa: Barnyard millet.

Answer 2

1. Organic farming is an agricultural system which originated early in the 20th century in reaction to rapidly changing farming practices. Certified organic agriculture accounts for 70 million hectares globally, with over half of that total in Australia.
2. The drawbacks of uneven distribution of seeds in a field, while sowing, are: They will compete for water, nutrients and sunlight that result limited growth. If they are sown far apart, it will result in the wastage of field area.
3. Biopesticides are preferred over chemical pesticides because they do not contaminate the environment. The chemicals in chemical pesticides are extremely toxic and harmful to the environment. Not only this but they are also harmful to animals and humans if they ingest such crops.
4. Benefits of Mulching

Reduces weed growth by keeping light from reaching the soil surface. Reduces water loss from the soil surface, which helps maintain soil moisture. Moderates soil temperatures, keeping it warmer on cold nights and cooler on hot days. Protects bare soil, reducing erosion and soil compaction.

5.The following are the names of grains that are termed as millets:

Jowar: Sorghum.

Ragi: Finger millet.

Korra: Foxtail millet.

Arke: Kodo millet.

Bajra: Pearl millet.

Sanwa: Barnyard millet.