Convex mirror is generally used in

• solar cookers

• opthalmoscope

• reflector for head light

• rear view mirror

Who was the inventor of frozen foods?

• Alfred Nobel

• Clarence Birdseye

• Frank Whittle

• Ives McGaffey

Match the following.

• 1 - b,  2 - c,  3 - a

• 1 - c,  2 - a,  3 - b

• 1- a, 2 - c, 3 - b

• 1 - c,   2 - b,  3 - a

36.

Which of the following micro-organism causes diseases like polio and chicken pox?

• Bacteria

• Protozoa

• Algae

• Virus

Red data book contains data of which of the following?

• All plant species

• All animal species

• All endangered species

• All extinct species

Union Cabinet approves amendments in M-SIPS to attract investment in electronics manufacturing. What is the full form of M-SIPS?

• Modified Sustainable Investment Package Scheme

• Modified Speical Information Package Scheme

• Modified Speical Incentive Package Scheme

• Modern Socialist Incentive Package Scheme

What is the S.I. unit of frequency?

• Newton

• Watt

• Farad

• Hertz

Which among the following is a 'Modifier key'?

• Control

• Shift

• Alt

• All options are correct

Ozone is an ............. of oxygen.

• Allotrope

• Isotope

• Isobar

• Isotone

Which of the following is an inert gas?

• Hydrogen

• Nitrogen

• Oxygen

• Argon