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General Knowledge :: Biology

  1. What is the study of cells called?

  2. A.

     Cellogysm

    B.

     Cytology

    C.

     Cell Biology

    D.

     Both B & C


  3. Closely stacked flattened sacs (plants only) is called

  4. A.

     Vacuoles

    B.

     Lysosomes

    C.

     Golgi apparatus

    D.

     None of the above


  5. Which one among the following cell organelles is semi-permeable ?

  6. A.

     Cell membrane

    B.

     Plasma membrane

    C.

     Cell wall

    D.

     Nucleus


  7. Any foreign object that gains entry into the cell is immediately engulfed by the ________ and is completely broken into simple digestible pieces.

  8. A.

     R.B.Cs

    B.

     Platelets

    C.

     Haemoglobin

    D.

     Lysosomes


  9. The function of nucleolus is the synthesis of

  10. A.

     DNA

    B.

     M-RNA

    C.

     R-RNA

    D.

     T-RNA


  11. Biological membranes are composed of

  12. A.

     Phospholipids

    B.

     Proteins

    C.

     Carbohydrate groups

    D.

     All of the above


  13. Biological membranes are composed of

  14. A.

     40% proteins and 60% lipids

    B.

     50% proteins and 50% lipids

    C.

     70% proteins and 30% lipids

    D.

     60% proteins and 40% lipids


  15. They are double membrane structures that are commonly oval or disc shaped.

  16. A.

     Ribosomes

    B.

     Lysosomes

    C.

     Nucleus

    D.

     Golgi bodies


  17. The cell wall of plants is generally made up of cellulose and is differently structured than that of a

  18. A.

     Moss

    B.

     Bacterium

    C.

     Fern

    D.

     Algae


  19. Which cell feature is responsible for making proteins?

  20. A.

     Chromosomes

    B.

     Nucleus

    C.

     Ribosomes

    D.

     Cytoplasm