CDS GENERAL SCIENCE QUIZ 14

Question 1:

What is the use of DNA fingerprinting?

Detecting physical traits

Detecting chemical traits

Detecting genetic traits

None of these

Question 2:

All the movement of the human body is coordinated and controlled by

Axial system

Nervous system

Vertebral system

Skeletal muscles

Question 3:

Evaporation is-

Phenomenon of change of a solid into vapours at any temperature below its boiling point is called evaporation.

Phenomenon of change of a liquid into solid at any temperature below its boiling point is called evaporation.

Phenomenon of change of a liquid into vapours at any temperature below its boiling point is called evaporation.

Phenomenon of change of a liquid into vapours at any temperature at its boiling point is called evaporation.

Question 4:

In Newland law of octaves ,

Every fifth element is similar to the first element .

Every eighth element is similar to the second element .

Every eighth element is similar to the third element .

Every eighth element is similar to the first element .

Question 5:

Which of the following acids do not contain carboxylic acid group ?

Picric acid

Vinegar

Benzoic acid

Salicylic acid

Question 6:

Atmospheric pressure is the force per unit area exerted by the weight of the atmosphere, which of the following instrument is used to measure atmospheric pressure?

Barometer

Fathometer

Polygraph

Pyrometer

Question 7:

In which scale does temperature never become negative?

Kelvin

Reaumur

Celsius

Fahrenheit

Question 8:

Why does steam at 100°C cause more severe burns than the water at the same temperature?

Steam is a gas.

Steam provides more heat.

Steam is highly combustible.

Steam exerts more pressure.

Question 9:

Which of the following quantities does not have any unit?

Viscosity

Density

Relative density

Velocity

Question 10:

By which device ultrasonic waves are used to measure the distance, direction and speed of bodies in water?

RADAR

LIDAR

SONAR

None of the above