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Chapter:

Environmental-Issues

BOD refers to

The amount of oxygen consumed if all the organic matter in

1000 m l

of water were oxidized by bacteria The amount of oxygen released when all the organic matter was consumed by bacteria in

1

litre of water The oxygen required for bacteria to grow in

1

litre of effluent The amount of oxygen released if all the organic matter in

1000 m l

of water were oxidized by bacteria

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Chapter:

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The amount of oxygen consumed if all the organic matter in 1000ml of water were oxidized by bacteria

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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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You need to login to ask any Questions from chapter Environmental-Issues of Biology-MCQS

The amount of oxygen consumed if all the organic matter in $1000 m l$ of water were oxidized by bacteria