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Environmental Issues

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Advanced Botany

Plant Growth and Development
Organisms and Populations
Ecosystem
Biodiversity and Conservation
Environmental Issues
Microbes in Human Welfare
Strategies for Enhancement in Food Production
Molecular Basis of Inheritance
Principles of Inheritance and Variation
Sexual Reproduction in Flowering Plants
Reproduction in Organisms
The Living World
Respiration in Plants
Photosynthesis
Mineral Nutrition
Transport in Plants
Cell Cycle and Cell Division
Cell-The Unit of Life
Anatomy of Flowering Plants
Morphology of Flowering Plants
Plant Kingdom
Biological Classification
  1. Which one of the following is a wrong statement?
    1. Most of the forests have been lost in tropical areas.
    2. Ozone in upper part of atmosphere is harmful to animals.
    3. Greenhouse effect is a natural phenomenon.
    4. Eutrophication is a natural phenomenon in freshwater bodies.
Correct Option: B

Ozone present in upper part of the atmosphere ie. stratosphere is benefical for living beings. As it functions as a shield against harmful UV-radiation.


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