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General Knowledge :: Biology

  1. Reflex actions are controlled by :

  2. A.

     The cells

    B.

     The Spinal Chord

    C.

     The Brain

    D.

     The Nerves


  3. Which one of the following is not an insect:

  4. A.

     Bed bug

    B.

     House fly

    C.

     Mosquitoes

    D.

     Spider


  5. Which cell organelles are involved in photosynthesis?

  6. A.

     Chloroplasts

    B.

     Plastids

    C.

     Lipids

    D.

     Plasmids


  7. It consists of an aqueous ground substance containing a variety of cell organelles and other inclusions such as wastes and storage products.

  8. A.

     Cytoplasm

    B.

     Actoplasm

    C.

     Endoplasm

    D.

     None of the above


  9. The study of structures of organisms, their cells and their organelles at molecular level is known as

  10. A.

     Molecular biology

    B.

     Environmental biology

    C.

     Microbiology

    D.

     Cell biology


  11. In plants, chloroplasts are necessary for

  12. A.

     Photosynthesis

    B.

     Storage

    C.

     Cell movement

    D.

     Respiration


  13. In which of the following organelles does photosynthesis take place?

  14. A.

     Miochondria

    B.

     Chloroplast

    C.

     Central Vacuole

    D.

     Ribosome


  15. It is a heredity material and contains the genetic information which is passed on from one generation to another.

  16. A.

     RNA

    B.

     DNA

    C.

     Chromosomes

    D.

     Carbohydrates


  17. Where is the genetic information of the cell stored?

  18. A.

     DNA

    B.

     Cell membrane

    C.

     Nucleus

    D.

     None of the above


  19. Where does protein synthesis take place in a cell?

  20. A.

     Ribosomes

    B.

     Mitochondria

    C.

     Cytoplasm

    D.

     Nucleus