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General Knowledge :: Biology

  1. They are probably the simplest and the smallest living organisms possessing cellular organisation.

  2. A.

     Viruses

    B.

     Fungi

    C.

     Mosses

    D.

     Bacteria

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  3. Sexual reproduction in Algae that takes place through fusion of two dissimilar size gametes is called

  4. A.

     Zoospores

    B.

     Anisogamous

    C.

     Isogamous

    D.

     Oogamous

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  5. Floridian starch is characteristic energy storage material of which algae?

  6. A.

     Blue green algae

    B.

     Brown algae

    C.

     Red algae

    D.

     Green algae

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  7. Which of the following does not have any enzymes in its cells?

  8. A.

     Algae

    B.

     Virus

    C.

     Lichen

    D.

     Bacteria

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  9. Statement which is true about bacteria ?

  10. A.

     All bacteria are autotrophs

    B.

     Most of them are heterotrophs but some are autotrophs

    C.

     All bacteria heterophs

    D.

     All bacteria are photosynthetic

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  11. Lederberg and Tatum demonstrated conjugation in the bacteria in

  12. A.

     1944

    B.

     1945

    C.

     1946

    D.

     1947

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  13. The individual chain of cells or filament in the colony of Nostoc is known as

  14. A.

     Trichome

    B.

     Heterocyst

    C.

     Hormogonia

    D.

     None of the above

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  15. Under the ideal environmental conditions bacterial cells divide at the rate of division per twenty

  16. A.

     Second

    B.

     Minutes

    C.

     Hours

    D.

     Days

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  17. The virus is

  18. A.

     Protein and lipid

    B.

     Nucleic acid and protein

    C.

     Lipid and carbohydrate

    D.

     Carbohydrate

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  19. Which of these is a human disease caused by bacteria?

  20. A.

     TB

    B.

     Ascariasis

    C.

     Chickenpox

    D.

     Common cold

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