Home / General Knowledge / Biology :: section-16

General Knowledge :: Biology

  1. Photosynthesis takes place in the presence of chlorophyll and ________

  2. A.

     Water

    B.

     Nutrients

    C.

     Carbon-dioxide

    D.

     Sunlight

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. One of the following cannot be performed by animals.

  4. A.

     Respiration

    B.

     Photosynthesis

    C.

     Reproduction

    D.

     Digestion

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. Green pigment is called

  6. A.

     Chlorophyll

    B.

     Xanthophyll

    C.

     Carotene

    D.

     Phycobillin

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. Plants utilise ________ from the atmosphere for photosynthesis.

  8. A.

     Oxygen

    B.

     Nitrogen

    C.

     Carbon dioxide

    D.

     Hydrogen

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. In Photosynthesis

  10. A.

     Light energy is converted into chemical energy

    B.

     Chemical energy is converted into light energy

    C.

     Chemical energy is converted into electrical energy

    D.

     Light energy is converted into mechanical eneargy

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. Which of the following plays an important part in photosynthesis?

  12. A.

     Chloroplast

    B.

     Centrosome

    C.

     Tonoplast

    D.

     Nematoblast

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. Which of the following plays an important role in photosynthesis?

  14. A.

     Chloroplast

    B.

     Centrosome

    C.

     Tonoplast

    D.

     Nematoblast

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. Which of the following gas is necessary for the process of photosynthesis?

  16. A.

     O2

    B.

     CO

    C.

     N2

    D.

     CO2

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. Photosynthesis fulfills which of the following requirements of the autotrophic organisms?
    I. Carbon
    II. Water
    III. Energy

  18. A.

     Only I

    B.

     Only III

    C.

     I and III

    D.

     All I, II and III

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. The gas released during the photosynthesis by the green plants is

  20. A.

     Oxygen

    B.

     Nitrogen

    C.

     Water vapour

    D.

     Carbon dioxide

    View Answer

    Workspace

    Discuss Discuss in Forum