The colour of sky without atmosphere will be :

• Black
• White
• Blue
• Green
Correct Option: A  [ Black ]

Remark:

Onion is a modified form of

• leaf
• stem
• root
• None of these
Correct Option: B  [ stem ]

Remark:

Which one of the following organs is the main respiratory organ of whale?

• Integuments
• Gills
• Lungs
• Trachea
Correct Option: C  [ Lungs ]

Remark:

Thorium and Beryllium are

• Metallic minerals
• Earth material
• Atomic minerals
• Precious metals
Correct Option: C  [ Atomic minerals ]

Remark: Atomic minerals include mainly minerals containing uranium, thorium, rare metals, viz. niobium, tantalum, lithium, beryllium, titanium, zirconium, and rare earth elements (REEs) containing uranium and thorium as well as beach sand minerals.

Who invented ATM ?

• Luther George Simjian
• Jhon Shepherd Barron
• Douglas Brown
• None of these
Correct Option: B  [ Jhon Shepherd Barron ]

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:

A network of computers and other peripherals that is confined to a relatively small space is call:

• Local Area Network
• Wide Area Network
• Global Network
• Intranet
Correct Option: A  [ Local Area Network ]

Remark:

Sound-waves from a loud speaker is caused by:

• frequency
• vibrations
• pitch
• amplitude
Correct Option: B  [ vibrations ]

Remark:

When was Edusat launched ?

• October, 1988
• June, 2001
• September, 2004
• March 2008
Correct Option: C  [ September, 2004 ]

Remark:

Who invented vaccination for 'small pox'?

• Sir Fredrick Grant Banting
• Sir Alexander Fleming
• Edward Jenner
• Louis Pasteur
Correct Option: C  [ Edward Jenner ]

Remark: