Oncology is the study of

• Branch of science that deals with eyes
• Branch of science that deals with Brain
• Branch of science that deals with Tumours and Cancers
• Branch of science that deals with Blood Circulation
Correct Option: C  [ Branch of science that deals with Tumours and Cancers ]

Remark:

The brain of any computer system is:

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

Remark:

Which polymer is used in making non-stick kitchen ware ?

• Nylon
• PVC
• Bakelite
• Teflon
Correct Option: D  [ Teflon ]

Remark:

Which of the following contains maximum carbon dioxide ?

• Grasslands
• Forests
• Oceans
• Agroecosystems
Correct Option: C  [ Oceans ]

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:

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:

Which of the following could be used as fuel in propellant of rockets?

• liquid hydrogen + liquid nitrogen
• liquid oxygen + liquid argon
• liquid nitrogen + liquid oxygen
• Liquid hydrogen + liquid oxygen
Correct Option: D  [ Liquid hydrogen + liquid oxygen ]

Remark:

The longest day in the southern Hemisphere is on :

• 22nd December
• 21st June
• 21st March
• 23rd September
Correct Option: A  [ 22nd December ]

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:

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.