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General Knowledge :: Environmental Science

  1. The Anthrax disease is caused by

  2. A.

     Virus

    B.

     Bacteria

    C.

     Protozoa

    D.

     Helminthes


  3. Bio gas generation is mainly based on the principle of

  4. A.

     Fermentation

    B.

     Biodegradation

    C.

     Purification

    D.

     Sedimentation


  5. Which of the following ecological pyramid is always upright?

  6. A.

     Pyramid of energy

    B.

     Pyramid of number

    C.

     Pyramid of biomass

    D.

     None of these


  7. A graphic representation of number of individuals of different species belonging to each trophic level in a an ecosystem is known as

  8. A.

     Ecological pyramid

    B.

     Pyramid of biomass

    C.

     Pyramid of number

    D.

     Pyramid of energy


  9. "Silent Spring" is a well known book written by

  10. A.

     John Miller

    B.

     Charles Darwin

    C.

     Rachel Carson

    D.

     Aldoleopold


  11. The book silent spring was written by

  12. A.

     Madhav Gadgil

    B.

     Anil Agarwal

    C.

     Rachel Carson

    D.

     E.O.Wilson


  13. The cold feeling that you experience after leaving a swimming pool on a hot, dry, summer day represents heat transfer by:

  14. A.

     Conduction

    B.

     Convection

    C.

     Radiation

    D.

     Latent heat


  15. The transfer of heat by molecule-to-molecule contact:

  16. A.

     Conduction

    B.

     Convection

    C.

     Radiation

    D.

     Ultrasonic


  17. Example for a physical pollutant

  18. A.

     Water

    B.

     Air

    C.

     Radiation

    D.

     Plant


  19. The transfer of heat by molecule-to-molecule contact is:

  20. A.

     Conduction

    B.

     Convection

    C.

     Radiation

    D.

     Ultrasonic