1. Ultraviolet radiation is the cause of______ cancer (3)
(a) Muscle
(b) Blood
(c) Skin
(d) Lung
2. Chemical energy converts into mechanical energy in (4)
(a) Dynamo
(b) Power motor
(c) Power cell
(d) Automobile
3. _____is source of stars and Sun’s power (2)
(a) Nuclear fission
(b) Nuclear fusion
(c) Electromagnetic induction
(d) Repulsion force
4.____ is used to measure electric current. (2)
(a) Farad/meter
(b) Coulomb/second
(c) Ampere/second
(d) Ohm/second
5. Lunar caustic is ore of (3)
(a) Copper
(b) Nickel
(c) Silver
(d) Radium
