1. 'Pneumonia' is caused by the inflammation of
    1. liver
    2. brain
    3. lungs

  2. 'Ptyalin' is an enzyme found in the
    1. bile
    2. blood
    3. saliva

  3. 'Thrombosis' is a disease of the
    1. blood
    2. brain
    3. skin

  4. 'Insulin' is secreted by
    1. pituitary
    2. thyroid
    3. pancreas

  5. A piece of stone is thrown horizontally from a height. The path of the stone will be
    1. horizontal
    2. vertical
    3. circular
    4. curved but not circular

  6. The following one is present in 'vinegar'
    1. formic acid
    2. acetic acid
    3. nitric acid
    4. hydrochloric acid

  7. How long haemoglobin in blood may remain alive?
    1. 80 days
    2. 100 days
    3. whole life
    4. 120 days

  8. With the help of which organ cockroach respirators?
    1. nasal aperture
    2. lungs
    3. gills
    4. spiracles

  9. Which one is absent in air?
    1. Helium
    2. Oxygen
    3. Hydrogen
    4. Nitrogen

  10. Brass is an alloy of
    1. Cu, Sn &
    2. Cu, Sn & Zn Ni
    3. Cu & Sn
    4. Cu & Zn