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:

Cause of global warming is:

• Excessive use of organic manure
• Increase in the amount of CO₂ in the atmosphere
• Increase in the amount of atmospheric nitrogen
• Excessive use of fertilizer.
Correct Option: B  [ Increase in the amount of CO₂ in the atmosphere ]

Remark:

What is reason for using red light as a stop signal ?

• Long wavelength
• Short wavelength
• Chromogenic effect
• Infra Red
Correct Option: A  [ Long wavelength ]

Remark:

"Curie" is unit of:

• Radioactivity
• Temperature
• Heat
• Energy
Correct Option: A  [ Radioactivity ]

Remark: Curie (Ci): One of three units used to measure the intensity of radioactivity.
The original unit for measuring the amount of radioactivity was the curie (Ci)–first defined to correspond to one gram of radium-226.

Marijuana, a psychoactive drug is obtained from:

• seeds of pop
• capsules of poppy
• female inflorescence of cannabis
• male inflorescence of cannabis
Correct Option: C  [ female inflorescence of cannabis ]

Remark:

LCD stands for

• Liquid Crystal Display
• Low Current Display
• Light Circuit Display
• None of the above
Correct Option: A  [ Liquid Crystal Display ]

Remark:

How much time the light from Sun takes to reach the Earth ?

• 2 minutes
• 4 minutes
• 8 minutes
• 12 minutes
Correct Option: C  [ 8 minutes ]

Remark: 8 minutes and 20 seconds

The type of crop which is able to fix nitrogen from air is known as:

• Legume
• Rice
• Tuber
• Potato
Correct Option: A  [ Legume ]

Remark: