Which one is the hardest form of carbon ?

• Coke
• Graphite
• Diamond
• Charcoal
Correct Option: C  [ Diamond ]

Remark:

Tetraethyl lead (TEL) is

• a catalyst used in burning fossil fuel
• an antioxidant
• a reductant
• an antiknock compound
Correct Option: D  [ an antiknock compound ]

Remark:

Seismology is the science of :

• Atmosphere
• Earthquake
• Fossil
• Silkworm breeding
Correct Option: B  [ Earthquake ]

Remark:

Which of the following is a source of non-conventional energy?

• Firewood
• Diesel
• Petrol
• Biogas
Correct Option: D  [ Biogas ]

Remark:

The brain of any computer system is:

• ALU
• Memory
• Control unit
• CPU
Correct Option: D  [ CPU ]

Remark:

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:

Which of the following colours is not seen in a rainbow ?

• Yellow
• Green
• Red
• Brown
Correct Option: D  [ Brown ]

Remark:

What is the scientific name of vitamin A

• Retinol
• Riboflavin
• Ascorbic acid
• Calciferol
Correct Option: A  [ Retinol ]

Remark: Vitamin A is a fat-soluble vitamin that is essential for various biological processes, including vision, immune system function, and skin health.

Plasma membrane in eukaryotic cells is made up of:

• Phospholipid
• Lipoprotein
• Phospholipo-protein
• Phospho-protein
Correct Option: A  [ Phospholipid ]

Remark:

Who among the following is considered as the father of artificial intelligence ?

• Charles Babbage
• Lee De Forest
• John McCarthy
• J. P. Eckert
Correct Option: C  [ John McCarthy ]

Remark: