A horse runs around a ground twice and covers a distance of 8km, one side of square ground is:
- (a) 8 km
- (b) 4 km
- (c) 1 km
- (d) 2 km
- (c) 1 km
Who among the followings invented bifocal spectacles and lightning rod?
- (a)Â Galileo
- (b)Â Benjamin Franklin
- (c)Â Thomas Edison
- (d)Â James Medison
- (b)Â Benjamin Franklin
Which gas field among the following is the second largest gas field in Pakistan which is being operated by OGDCL?
- (a)Â Bobi gasfield
- (b)Â Chachar gasfield
- (c)Â Qadir Pur gasfield
- (d)Â Uch gasfield
- (c)Â Qadir Pur gasfield
Mars, the neighbor of Earth, has natural satellites:
- (a)Â 2
- (b)Â 3
- (c)Â 4
- (d)Â 5
- (a)Â 2
Max Plank won Noble Prize in Physics in 1918 for the discovery of____
- (a)Â Time Constant
- (b)Â Energy Quantum
- (c) Heat Constant
- (d)Â Wave Constant
- (b)Â Energy Quantum
Which among the following instruments is used to measure the amount of liquid precipitation (rain) over a set period of time?
- (a)Â Hygrometer
- (b) Rain Gauge
- (c)Â Pedometer
- (d)Â Barometer
- (b) Rain Gauge
Parsec is a unit used to measure _______.
- (a)Â Time
- (b)Â Speed
- (c)Â Distance
- (d)Â Force
- (c)Â Distance
Solar eclipse occurs when:
- (a)Â Earth comes between sun and moon
- (b)Â Moon comes between sun and earth
- (c)Â Sun comes between earth and moon
- (d) Sun rays don’t reach the earth
- (b)Â Moon comes between sun and earth
Stoma, found in the epidermis of leaves closes when guard cells_______.
- (a)Â Gain Water
- (b)Â Lose Water
- (c)Â Exchange Gas
- (d)Â None of these
- (b)Â Lose Water
Iron and steel structures are damaged by:
- (a) Carbon monoxide
- (b) Sulphur dioxide
- (c) Carbon dioxide
- (d)Â Methane
- (b) Sulphur dioxide