1. Bauxite is an ore of
    1. zinc
    2. iron
    3. aluminium
    4. manganese

  2. The element which has more than one form is called
    1. electron
    2. proton
    3. isotope
    4. allotrope

  3. Horse power is a unit of
    1. power
    2. electric current
    3. three-horses
    4. electricity

  4. Which of the following diseases is caused due to shortage of red blood cells?
    1. Meningitis
    2. Leukaemia
    3. Arthritis
    4. Anaemia

  5. 'Angstrom' is a unit used to measure
    1. the speed of rockets
    2. the energy
    3. the wave length of light

  6. 'Calorie' is the unit of
    1. electricity
    2. heat
    3. light

  7. 'In a thermos flask' the vacuum between two walls prevents the heat lost by
    1. Conduction
    2. Convection
    3. radiation

  8. In an electrict bulb, the filament is made of
    1. copper
    2. platinum
    3. tungsten

  9. The substance commonly employed as a cooling agent in refrigerators is
    1. Nitrogen
    2. Helium
    3. liquid ammonia

  10. 'Pituitary' glands are
    1. in the intestine
    2. on the top of kidneys
    3. at the base of the brain