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प्रश्न
Give reasons.
Soil is turned over during tilling.
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उत्तर
Soil is turned over during tilling to bring the nutrient-rich lower layers of soil to the surface and to loosen the soil so that air and water can easily reach the roots of plants.
संबंधित प्रश्न
Yeast is used in the production of ______.
Explain the importance of biopesticides in organic farming.
Give scientific reasons.
Microbial enzymes are used instead of chemical catalysts in chemical industry.
Sulphuric acid is a source of energy for some species of bacteria like Acidophillium.
Write a short note.
Microbial Enzymes
Write a short note.
Land filling sites
Observe the figure and write the answers to the questions asked.
- Name the above figure.
- What is it used for?
- Which gas is formed in it?
- How is this gas formed?
- What is done with sewage?
How microorganisms are useful in the field of medicine?
What is retting?
Which enzyme was used earlier for cheese production?
