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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


  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


  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


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

  8. A.

     Algae

    B.

     Virus

    C.

     Lichen

    D.

     Bacteria


  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


  11. Lederberg and Tatum demonstrated conjugation in the bacteria in

  12. A.

     1944

    B.

     1945

    C.

     1946

    D.

     1947


  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


  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


  17. The virus is

  18. A.

     Protein and lipid

    B.

     Nucleic acid and protein

    C.

     Lipid and carbohydrate

    D.

     Carbohydrate


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

  20. A.

     TB

    B.

     Ascariasis

    C.

     Chickenpox

    D.

     Common cold