CBSE MCQ Sample Papers | CBSE Class 10th MCQ Sample Papers | CBSE Class 10th Multiple Choice Questions
CBSE Science Multiple Choice Questions For Class 10th
1.Which planet is 110 million km from the sun?
2.What is the lightest element with an atomic symbol not related to its English name?
3.Wright Brothers are regarded inventors of the
None of these
4.Heating fuels in the absence of air is called ‘Destructive Distillation’, as it ‘destroys’ it to form simpler substances. What do we get when we do the same to wood?
All of these
5.What are three types of lasers?
Gas, solid state, diode
Diode, inverted, pointer
Pointer, diode, CD
Gas, metal vapor, rock
6.How many Dynes are there in one gram weight?
7.What is the heaviest of the naturally occuring Noble gases?
8.Which of the following correctly describes STP:
4oC at 1 Atmosphere
0oC at 1 Atmosphere
23oC at 1 Atmosphere
0oC at 0 Atmosphere
9.The first step to getting output from a laser is to excite an active medium. What is this process called?
10.Who proposed the chemical evolution of life?
11.What is the heaviest of the naturally occuring Noble gases?
12.A quick and simple method commonly used to inspect whether a metal is stainless steel is to:
measure its specific gravity
pass a current through it and measure its resistance
test if it will react with sulfuric acid
test if a magnet will be attracted to it
13.The velocity of light was first measured by
14.Who proposed the chemical evolution of life?
A monitor is rated as 640x480x256 (pronounced 640 by 480 by 256). What does the 256 stand for:
256 colors associated with the pixels
256 pixels diagonally
256 pixels vertically
256 pixels horizontally