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State any two disadvantages of Mixed Cropping.
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Choose the incorrect pair from the following:
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The reason for poor standard of living and mainutrition in India is ______.
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Given below are a few methods of conservation of resources. Choose the correct method of soil conservation:
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Why is LPG more popular to use as a fuel? Write two advantages of it.
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Name the energy that is produced by the rise and fall of ocean water.
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What is the advantage of tidal energy?
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What are the aims of Integrated Pest Management (IPM)?
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Write three advantages of Integrated Pest Management (IPM).
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Write two problems associated with GMO organisms.
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Where is terracing practiced?
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State three advantages of terracing.
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Water pollution : Eutrophication : : Air pollution : ______
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Which of the following practices is most effective in preventing soil erosion?
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Biogas plants are popular in rural areas because ______.
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