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General Knowledge :: Biology

  1. Which one of the following parts of human brain is the regulating centre for swallowing and vomiting?

  2. A.

     Cerebellum

    B.

     Cerebrum

    C.

     Medulla oblongata

    D.

     Cortex


  3. Compared to land, the open oceans

  4. A.

     Are rich in silica and iron

    B.

     Are nutrient-poor environments

    C.

     Contain unlimited nitrogen

    D.

     Are nutrient-rich environments


  5. Study of effect of radiation on plant and animal is

  6. A.

     Pathology

    B.

     Etiology

    C.

     Radiobiology

    D.

     Cosmology


  7. Melvin calvin got Noble Prize for his studies on

  8. A.

     Light reaction

    B.

     Plant hormones

    C.

     Carbon fixation

    D.

     Photons


  9. Kyoto Protocol is associated with

  10. A.

     Species conservation

    B.

     Climate change

    C.

     Wetland Conservation

    D.

     Medicinal plants


  11. Through nitrogen fixation process nitrogen in the atmosphere is converted into

  12. A.

     Ammonium

    B.

     Hydroxide

    C.

     Nitrate

    D.

     Chlorite


  13. In plants, which cells carry out photosynthesis?

  14. A.

     Chlorenchymatous

    B.

     Sclerenchymatous

    C.

     Paranchymatous

    D.

     None of the above


  15. Part of the plant where photosynthesis generally occurs

  16. A.

     Roots

    B.

     Leaves

    C.

     Branches

    D.

     Flowers


  17. The energy stored in photosynthesis is obtained from

  18. A.

     Sunlight

    B.

     Oxidation of glucose

    C.

     Breakdown of proteins

    D.

     Breakdown of glucose


  19. Maximum fixation of solar energy is done by

  20. A.

     Fungi

    B.

     Protozoa

    C.

     Bacteria

    D.

     Green plants