M C Q s D r i v e

Everyday Science 2137 MCQs [All-Courses]

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Prepare effectively with our Everyday Science MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Physics, Chemistry, Biology, Environment, Human Body, Inventions, Scientific Laws, and daily-life science concepts.
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The gas usually filled in the electric bulb is___________?

A Nitrogen
B Hydrogen
C Carbon dioxide
D Oxygen
Correct Answer: Nitrogen

Which of the following is an example for cantilever beam?

A Diving board
B Bridge
C See-saw
D Common balance
Correct Answer: Bridge

The ozone molecule contains which type of bonding__________?

A Dative bond
B Covalent bond
C Both A and B
D Ionic Bond
Correct Answer: Both A and B

Atomic power plant works on the principle of?

A fission
B fusion
C thermal combustion
D combined effect of all the above three
Correct Answer: fission

The gases used in different types of welding would include ___________?

A Oxygen and hydrogen
B Oxygen, hydrogen, acetylene and nitrogen
C Oxygen, acetylene and argon
D Oxygen and acetylene
Correct Answer: Oxygen and acetylene

According to the theory of relativity, which of the following always remains constant ?

A Length of an object
B Time
C Space
D Velocity of light
Correct Answer: Velocity of light

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is ________ ?

A Argon
B Xenon
C Helium
D Krypton
Correct Answer: Helium

Freezing point of water at Fahrenheit Scale is?

A 0 °F
B 212 °F
C 32 °F
D -32 °F
Correct Answer: 32 °F

Chemical formula for Water is _______ ?

A NaAlO2
B H2O
C Al2O3
D CaSiO3
Correct Answer: H2O

Which one of the following wavelengths of light is most effective in photosynthesis?

A Blue
B Green
C Orange
D Yellow
Correct Answer: Blue