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Environmental-Issues

The major ozone depleting substance out of following is _____________.

C F C s

O_{2}

Nitrogen All of these

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Read the following statements and select the correct option.<div><br> Statement 1: Ozone layer present in the stratosphere protects the living organisms from harmful UV rays coming from the sun by absorbing nearly all of them.</div><div><br> Statement 2: Ozone formed in the troposphere by photochemical reactions as a result of human activities which is harmful to all living organisms.<br> </div></h2></div>

The major ozone depleting substance out of following is _____________.

Read the following statements carefully and select the incorrect ones.<div><br> (i)  Development of the fertile top-soil takes centuries, but it can be easily removed due to human activities such as over-cultivation, unrestricted grazing, etc.<br> (ii) Waterlogging results in soil salinity.<br> (iii)  UV rays are responsible for the degradation of the ozone shield in the atmosphere.<br> (iv)  Ozone present in the stratosphere acts as a shield absorbing UV radiation coming from the Sun.<br> (v)  Global warming can be controlled by increasing the use of fossil fuels.</div></h2></div>

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The major ozone depleting substance out of following is _____________.

CFCs

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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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The major ozone depleting substance out of following is _____________.

The major ozone depleting substance out of the following is _____________.</h2></div>

Environmental Issues

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$C F C s$