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General Knowledge :: Biology

  1. One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?

  2. A.
    Having waited a day, it is too late to take an antibiotic
    B.
    You need an antiseptic, not an antibiotic
    C.
    You need to be vaccinated instead of taking an antibiotic
    D.
    You are infected by a virus

  3. Plants that grow under average temperature and moisture are called

  4. A.
    halophytes
    B.
    hydrophytes
    C.
    mesophytes
    D.
    xerophytes

  5. Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of

  6. A.
    hormones
    B.
    enzymes
    C.
    proteins
    D.
    vitamins

  7. Mutation is

  8. A.
    a factor responsible for plant growth
    B.
    a change which affects the offspring of F2 generation only
    C.
    a change that is inherited
    D.
    a change which affects the parents

  9. Pollination by wind is called

  10. A.
    anemophily
    B.
    hydrophily
    C.
    zoophily
    D.
    entomophily

  11. Pollen grains in plants are produced in

  12. A.
    roots
    B.
    leaves
    C.
    flower
    D.
    stem

  13. Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?

  14. A.
    By cyanobacteria
    B.
    By electrical discharges in the atmosphere
    C.
    By industrially synthesised fertilizer
    D.
    By denitrification

  15. Ptyalin is an enzyme produced in the

  16. A.
    salivary glands
    B.
    pituitary glands
    C.
    thyroid glands
    D.
    pancreas

  17. Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes

  18. A.
    tetanus
    B.
    influenza
    C.
    cholera
    D.
    typhoid