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General Knowledge :: Biology

  1. Example of a single celled organism.

  2. A.

     Algae

    B.

     Amoeba

    C.

     Paramaecium

    D.

     All of the above


  3. Chlamydomonas prefers water rich in

  4. A.

     Ammonic compounds

    B.

     Uric acid compounds

    C.

     Sulphur compounds

    D.

     Urea compounds


  5. The number of pyrenoids in a cell of Spirogyra is

  6. A.

     1

    B.

     2

    C.

     3-5

    D.

     Numerous


  7. Nuclear membrane is absent in

  8. A.

     Volvox

    B.

     Penicillium

    C.

     Agaricus

    D.

     Nostoc


  9. Microscopic organism which passively float on the surface of water is called

  10. A.

     Phytoplanktons

    B.

     Zooplanktons

    C.

     Both (a) and (b) both

    D.

     None to these


  11. Which among the following does not have a cell wall?

  12. A.

     Euglena

    B.

     Paramecium

    C.

     Gonyaulax

    D.

     Mycoplasma


  13. The ability to fix atmospheric nitrogen is found in the

  14. A.

     Leaves of some crop plants

    B.

     Some marine red algae

    C.

     Some blue-green algae

    D.

     Cholera


  15. The number of chloroplasts in a cell of Spirogyra is

  16. A.

     1-4

    B.

     1-8

    C.

     1-14

    D.

     2-8


  17. 'Pond silk' is the common name of

  18. A.

     Spongilla

    B.

     Chlorella

    C.

     Selaginella

    D.

     Spirogyra


  19. Potato blight is caused by

  20. A.

     Penicillium

    B.

     Meningitis

    C.

     Smut

    D.

     Ringworm