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Cooking oil and fats should be thrown down the drain. Chemicals like paints, solvents, insecticides, motor oil, medicines may kill microbes that help purify water. Used tea leaves, solid food remains, soft toys, cotton, sanitary towels etc. should not be thrown in the dustbin. None of the above

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Chemicals like paints, solvents, insecticides, motor oil, medicines may kill microbes that help purify water.

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The Living World

Biological Classification

Plant Kingdom

Animal Kingdom

Morphology of Flowering Plants

Anatomy of Flowering Plants

Structural Organisations in Animals

Cell : The Unit of Life

Biomolecules

Cell Cycle and Cell Division

Transport in Plants

Mineral Nutrition

Photosynthesis in Higher Plants

Respiration in Plants

Plant Growth and Development

Digestion and Absorption

Breathing and Exchange of Gases

Body Fluids and Circulation

Excretory Products and Elimination

Locomotion and Movement

Neural Control and Coordination

Chemical Control and Coordination

Reproduction in Organisms

Sexual Reproduction in Flowering Plants

Human Reproduction

Reproductive Health

Principles of Inheritance and Variation

Molecular Basis of Inheritance

Evolution

Human Health and Disease

Strategies for Enhancement in Food Production

Microbes in Human Welfare

Biotechnology Principles and Processes

Biotechnology and its Applications

Organisms and Populations

Ecosystem

Biodiversity and Conservation

Environmental Issues

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Which component of the cooked food should not be disposed off into the drain?<br> </h2></div>

Select correct option among following.

Which of the following is not a water pollutant?<br> </h2></div>

Select the correct option among the following.<br> </h2></div>

Environmental Issues

Biology-MCQS

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