(A) Mouse
(B) Keyboard
(C) Printer
(D) Light Pen
The answer is: (C) Printer
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The only nonmetal element that exists in liquid form is
(A) Bromine
(B) Mercury
(C) Calcium
(D) Platinum
The answer is: (A) Bromine
Which of the following is a vitamin?
(A) Ascorbic acid
(B) Acetic acid
(C) Tartaric acid
(D) None of these
The answer is: (A) Ascorbic acid
Ascorbic acid (Vitamin C) is commonly found in citrus fruits and vegetables. Vitamin C also functions as an antioxidant.
Which radiation has the lowest frequency in the electromagnetic spectrum?
(A) X-rays
(B) Gamma rays
(C) Ultraviolet rays
(D) Radio rays
The answer is: (D) Radio rays
Which register stores the result of ALU operations?
(A) Data Register
(B) Instruction Register
(C) Data Address Register
(D) Accumulator Register
The answer is: (D) Accumulator Register
For how many years, the United States stayed in Afghanistan?
(A) 10
(B) 15
(C) 20
(D) 25
The answer is: (C) 20
After the September 11 attacks, the United States invaded Afghanistan on 7 October 2001 and left the country on 30 August 2021.
The elements in any one group have similar
(A) atomic number
(B) mass number
(C) properties
(D) radioactivity
The answer is: (C) properties
The world’s most popular computer operating system is
(A) Windows
(B) Macintosh
(C) Linux
(D) Android
The answer is: (A) Windows
Microsoft windows is the most popular computer operating system in the world.
Air is a very good ________ of heat.
(A) conductor
(B) insulator
(C) radiator
(D) evaporator
The answer is: (B) insulator
Which of the following is the cause of polio?
(A) Infection
(B) Virus
(C) Bacteria
(D) None of these
The answer is: (B) Virus
Polio is caused by virus.