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General Science Mcqs-80

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Officerswiki is a free education & learning platform for all students and working professionals, where they can practice multiple choice questions & answers (MCQs). These all MCQs on Officerswiki are FreeMcqs which are helpful in all types of exams  such as PPSC, FPSC, CSS, NTS,  PMS and UPSC. Read all these questions and answer for your knowledge.

The term ‘Blue Shift’ is used to indicate?

A. Doppler effect in which an object appears blue when it is moving towards the observer or observer is moving towards the object.
B. Turning a star from white to blue
C. In future sun would become blue
D. Black hole was blue at its start
E. None of these

Kilowatt-hour is a unit of____________?

A. Power
B. Electric Current
C. Energy
D. Time
E. None of these

Fuel used in a Fast Breeder Reactor is _____________

A. Uranium Oxide
B. Uranium Plutonium carbide
C. Uranium Plutonium Oxide
D. Uranium thorium Oxide
E. None of these

The fruits without seeds, like bananas, are called_____________?

A. Seedless fruits
B. Parthenogenesis fruits
C. Parthenocarpic fruits
D. placental fruits
E. Organic fruits

Animal which captures and readily kills living animals for its food is called___________?

A. Parasite
B. Scavenger
C. Predator
D. Mammal
E. None of these

In a railway track, two rails are joined end to end with a gap in between them because?

A. Steel can be saved
B. Accidents due to contraction in winter can be avoided
C. Air gaps are necessary for bearing the weight of running train
D. Accidents due to expansion in summer can be avoided
E. All of these

Name the famous book of Ibn-Sina in which he discussed human physiology and medicine ?

A. Al-Qanun
B. Al-Masudi
C. New Renaissance
D. Tadhkira
E. None of these

Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?

A. Conduction
B. Convection
C. Radiation
D. Reflection
E. None of these

In winter an iron pipe feels colder than a wooden window . This is because wood is_______?

A. Conductor
B. Non-Conductor
C. Semi- Conductor
D. Not a solid while iron is a solid
E. None of these

The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?

A. 1120 ft
B. 120 ft
C. 56 ft
D. 100 ft
E. None of these

The fruits without seeds like bananas are called, Fuel used in a Fast Breeder Reactor is, Kilowatt-hour is a unit of, The term ‘Blue Shift’ is used to indicate?

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