Which among the following helps in circulation of blood ?

• Arithrocytes
• Blood platelets
• Monocytes
• Lymphocytes
Correct Option: D  [ Lymphocytes ]

Remark:

Angle of friction and angle of repose are:

• equal to each other
• not equal to each other
• proportion to each other
• none of the above
Correct Option: A  [ equal to each other ]

Remark:

Ringworm is a ___________ disease.

• bacterial
• protozoan
• viral
• fungal
Correct Option: D  [ fungal ]

Remark:

Which of the following is not a renewable source of energy ?

• Natural gas
• Geothermal energy
• Flowing water
• Biomass
Correct Option: A  [ Natural gas ]

Remark:

India first atomic device was exploded in 1974 at:

• Bikaner
• Barmed
• Pokhran
• Jaisalmer
Correct Option: C  [ Pokhran ]

Remark: Pokhran is a city in Rajasthan

An endoscope is used by a physician to view the internal parts of a body organ. It is based on the principle of:

• refraction of light
• re?ection of light
• total internal re?ection of light
• dispersion of light
Correct Option: C  [ total internal re?ection of light ]

Remark:

The SI unit of temperature is

• Temperature
• Ampere
• Watt
• Kelvin
Correct Option: D  [ Kelvin ]

Remark:

Which part of human eye has the maximum refractive index?

• Aqueous humour
• Vitreous humour
• Lens
• Cornea
Correct Option: D  [ Cornea ]

Remark: Refraction is the change in direction of light rays as they transition between different mediums. A figure of 1.376 is often quoted for the refractive index of the human cornea over the visible spectrum.

Sound waves having frequency less than 20 Hz are called __________ waves.

• Intelligent
• Inferior
• Infrasonic
• Instrumental
Correct Option: C  [ Infrasonic ]

Remark:

Glaciers always melt first at the:

• top surface
• sides
• bottom
• middle surface
Correct Option: C  [ bottom ]

Remark: