Glass is made of the mixture of______________
(A) Quartz and Mica
(B) Sand and Salt
(C) Sand and Silicates
(D) None of these
Rusting of Iron involves_______________
(A) Reduction
(B) Oxidation
(C) Decomposition
(D) Displacement
How long does the earth take to cover 1° longitude
(A) 2 Minutes
(B) 3 Minutes
(C) 4 Minutes
(D) 5 Minutes
Microphone converts sound energy into ___________
(A) Microwaves
(B) Electrical signals
(C) Optical Signals
(D) Heat energy
1 BTU(British thermal unit) is equal to___________
(A) 955 joules
(B) 990 joules
(C) 1055 joules
(D) 1211 joules
Dengue Fever is also called___________
(A) Black Fever
(B) Breakbone Fever
(C) Plasmodium Fever
(D) Remittent Fever
Which element is used as moderator in nuclear reactor
(A) Light water
(B) Dense water
(C) Fresh water
(D) Heavy water
Which of the following Rays are more Penetrating
(A) Beta rays
(B) Alpha rays
(C) Gamma rays
(D) X-rays
Largest Galaxy in the Universe is_________
(A) Andromeda Galaxy
(B) Milky-Way
(C) Spiral Galaxy
(D) Horseshoe Galaxy