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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
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  1. The CO2 content in the atmospheric air is about
    1. 0.034%
    2. 0.34%
    3. 3.34%
    4. 6.5%
Correct Option: A

The content of CO2 in atmospheric air is 0.034%. The main contributors to air are N2 and O2.


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