Home / General Knowledge / Environmental Science :: section-9

General Knowledge :: Environmental Science

  1. _______ is a cold desert in India.

  2. A.

     Thar

    B.

     Ladakh

    C.

     Ran of Kutch

    D.

     Bhopal


  3. Dodo is

  4. A.

     Endangered

    B.

     Critically endangered

    C.

     Rare

    D.

     Extinct


  5. Blue whale is placed under

  6. A.

     Endangered

    B.

     Critically endangered

    C.

     Rare

    D.

     Extinct


  7. What is edge species?

  8. A.

     The species which occur abundantly in the ecotone

    B.

     Species on the verge of extinction

    C.

     Rare species

    D.

     Endemic species


  9. The effects of radioactive pollutants depends upon

  10. A.

     Rate of diffusion

    B.

     Energy releasing capacity

    C.

     Rate of deposition of the contaminant

    D.

     All of these


  11. Ecology deals with the study of:

  12. A.

     Living beings

    B.

     Living and non living components

    C.

     Reciprocal relationship between living and non living components

    D.

     Environment


  13. Light energy is transformed into chemical energy by

  14. A.

     Photosynthesis

    B.

     Respiration

    C.

     Recycling

    D.

     Productivity


  15. How do red and blue light differ?

  16. A.

     Blue light has a higher speed of propagation.

    B.

     The wavelength of red light is longer.

    C.

     Red light has a higher intensity.

    D.

     Red and blue light have different directions of polarization.


  17. Incineration of Municipal waste involves

  18. A.

     Oxidation

    B.

     Deduction

    C.

     Redox action

    D.

     Disintegration


  19. The 3 R principle in waste management involves

  20. A.

     Reduce, Regain, Reuse

    B.

     Reduce, Reuse, Recycle

    C.

     Reduce, Reform, Reset

    D.

     Reduce, Retain, Regain