Which of the following metals is the most ductile metal?

• Gold
• Aluminium
• Copper
• Tin
Correct Option: A  [ Gold ]

Remark:

The mixture of flammable gases (carbon monoxide and hydrogen) and nonflammable gases (nitrogen and carbon dioxide) is called by what name?

• Laser Star Gas
• Breathing Gas
• Producer Gas
• Laughing Gas
Correct Option: C  [ Producer Gas ]

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:

In coriander the useful parts are:

• roots &leaves
• leaves & flowers
• leaves & dried fruits
• flower& dried fruits
Correct Option: C  [ leaves & dried fruits ]

Remark:

Which disease is caused by Nickel ?

• Itai Itai
• Dermatitis
• Learning Disability
• Asthma
Correct Option: B  [ Dermatitis ]

Remark:

Which metal is present in haemoglobin?

• Iron
• Zinc
• Magnesium
• Copper
Correct Option: A  [ Iron ]

Remark: Iron is an essential element for blood production, and about 70 percent of your body's iron is in the red blood cells called hemoglobin.

An alternating current instead of direct current is used in long-distance electric transmission because:

• it is easy to generate
• rectification is possible
• energy losses are minimum
• it causes fewer accidents
Correct Option: C  [ energy losses are minimum ]

Remark:

A rocket functions on which of the following laws ?

• Newtons first law
• Newtons second law
• Newtons third law
• All of the above
Correct Option: C  [ Newtons third law ]

Remark:

Restarting of computer that is already on is referred to as:

• Cold booting
• Logging off
• Shut down
• Warm booting
Correct Option: D  [ Warm booting ]

Remark: A warm boot refers to the process of restarting a computer system without completely shutting down the power.

What is the unit for measuring the intensity of sound ?

• Decibel
• Coulomb
• Henry
• Hertz
Correct Option: A  [ Decibel ]

Remark: