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General Knowledge :: Biology

  1. Pickles, candies, jams and breads are preserved by the much of adding

  2. A.

     Preservattives

    B.

     Enzymes

    C.

     Minerals

    D.

     None of the above

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  3. Which type of bacteria get their food from dead organic matter?

  4. A.

     Parasitic

    B.

     Autotrophic

    C.

     Saprophytic

    D.

     None of the above

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  5. Heterocysts, specialised for nitrogen fixation, occur in certain

  6. A.

     Red brown algae

    B.

     Blue green algae

    C.

     Ferns

    D.

     Mosses

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  7. The number pyrenoids in Chlamydomonas is

  8. A.

     1

    B.

     2

    C.

     3

    D.

     4

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  9. Commercial agar is obtained from

  10. A.

     Chlorella

    B.

     Gracilaria

    C.

     Parphyro

    D.

     Volvox

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  11. Red snow causing alga is

  12. A.

     Chamydomonas nivalis

    B.

     Chlamydomonas reinhardtii

    C.

     Chlamydomonas debaryanum

    D.

     Chalmydomonas media

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  13. Cork-screw shaped bacteria are known as

  14. A.

     Cocci

    B.

     Bacilli

    C.

     Spirilla

    D.

     None of the above

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  15. Ringworm is a disease caused by

  16. A.

     Fungi

    B.

     Bacteria

    C.

     Virus

    D.

     Flies

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  17. Rod shaped bacteria are known as

  18. A.

     Cocci

    B.

     Bacilli

    C.

     Spirilla

    D.

     None of the above

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  19. Virus is not regarded as a cell, because

  20. A.

     It is anactive unless it finds a host to multiply

    B.

     Most of the cellular activity is absent

    C.

     The genetic material does not replicate on its own

    D.

     All of the above

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