CSS General Abilities Topic 1 Basic Arithmetic With Answers

CSS General Abilities Topic 1 Basic Arithmetic

Sr. # Questions Answers Choice
1 Which of the following atmosphere layers help in radio communication? Exosphere Lonosphere Troposphere Stratosphere
2 Monsoon is caused by: Seasonal reversal of winds revolution of earth Movement of cloud Rise in temperature
3 Fuel used in a Fast Breeder Reactor is: Uranium oxide Uranium plutonium carbide Uranium thorium oxide Uranium plutonium oxide
4 Kilowatt hour is a unit of: Power Electric current Energy Time
5 The term blue shift is used to indicate: Doppler effect in which an object appears bluer where it is moving towards the observer or observer is moving toward the object turning a star from white to blue In future sun would become blue Black hole was blue at its start
6 The half life of radio active element is 8-days.How long it take to reduce it from 10 mg to 5 mg? 4 days 12 days 16 days 8 days
7 The number of spark plugs needed in a diesel engine is: 2 3 0 4
8 Where of the most of asteroids lie? In asteroid belt between the orbits of mars and jupiter In asteroid belt between the orbits of mars and venus In asteroid belt between the orbits of jupiter and venus Every where in the sky
9 Television signals are converted into light signals by: Optical fiber Transistor Decoder Photo diode
10 Which of the following explain the reason why there is no total ellipse of the sun? Size of the earth in relation to that of moon Orbit of the moon around earth Direction of rotation of earth around sun Area of the sun covered by the moon
11 Which of the following layer make radio transmission possible? Troposphere Lonosphere Mesosphere Stratosphere
12 Diamond is a very expensive ornament.It is composed of a single element: Carbon Gold Silver Platinium
13 The position of earth in its orbit.when it is at its greatest distance from the sun causing northern summer is called Aphelion Perihelion Perigee Apogee
14 Eugenics is the study of: altering human beings by changing their genetics components People of european region Different races of mankind Genetics of plant
15 Black holes refer to: Hole occurring in heavenly bodies Bright spot on the sun Collapsing objects of high density Collapsing of low density
16 The most splendid and the most magnificent constellation on the sky is; Orion Columbia Canis major Taurus
17 Orbital period of the planet Mercury around the sun is; 88 days 365 days 2 years 98 days
18 Which of the following is most elastic? Steel Rubber Glass Sponge
19 Bronze is an alloy of : Copper and Zinc Tin and zinc Copper and tin Iron and zinc
20 Hygrometer is used for measuring the: Speed of sound Density of milk Humidity of air Specific gravity of liquids
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