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General Knowledge :: Environmental Science

  1. The formation of __________ is the most characteristic feature in upper course of a river

  2. A.

     landslide

    B.

     canyons

    C.

     gorges

    D.

     waterfalls


  3. Which among the following is mobile in nature?

  4. A.

     Primary productivity

    B.

     Secondary productivity

    C.

     GPP

    D.

     NPP


  5. Infection of HIV is usually detected by which test

  6. A.

     Elisa test

    B.

     Hybridization

    C.

     Gram staining

    D.

     None


  7. Which functional feeding groups are involved in the process of in-stream physical breakdown of coarse material into fine particulate organic matter?

  8. A.

     Collector filterers

    B.

     Shredders

    C.

     Grazers

    D.

     Collector gatherers


  9. When the air temperature is below freezing, the saturation vapour pressure over water is .

  10. A.

     Equal to zero

    B.

     Less than the saturation vapour pressure over ice

    C.

     Greater than the saturation vapour pressure over ice

    D.

     Equal to the saturation vapour pressure over ice


  11. The dramatic increase in agricultural production that have been made possible by high yield miracle crops are called the

  12. A.

     biotechnical revolution

    B.

     bioeconomic revolution

    C.

     green house effect

    D.

     green revolution


  13. In the atmosphere, tiny solid or liquid suspended particles of various composition are called:

  14. A.

     Aerosols

    B.

     Carcinogens

    C.

     Greenhouse gases

    D.

     Microbes


  15. What is meant by GM foods?

  16. A.

     Growth modified foods

    B.

     Genetically modified food

    C.

     Growth marked foods

    D.

     Good mobility food


  17. Which of the following gas is present at a very high concentration in our environment?

  18. A.

     O2

    B.

     CO2

    C.

     H2

    D.

     N2


  19. _________ refers to the phenomenon in that the organisms are exclusively restricted to a given area.

  20. A.

     Ecosystem

    B.

     Endemism

    C.

     Habitat

    D.

     Food web