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Question 2013

What is the historic name of Mizoram ?

AGaro hills

BLushai hills

CChingai hills

DKhasi hills

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B. Lushai hillsExplanation not yet available.

Question 2012

The official language of Arunachal Pradesh is:

AAssamese

BManipuri

CBengali (Bangla)

DEnglish

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D. EnglishExplanation not yet available.

Question 2011

What chemicals are used in fire extinguishers used in houses and offices ?

AWater, potassium bicarbonate and fluorocarbon

BWater, calcium hydroxide and chlorofluorocarbons

CWater, potassium hydroxide and chlorobenzene

DNone of these

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A. Water, potassium bicarbonate and fluorocarbonExplanation: Fire extinguishers commonly used in houses and offices contain water, potassium bicarbonate (KHCO₃), and fluorocarbons. These chemicals help in extinguishing fires by cooling, cutting off oxygen supply, and preventing the spread of flames without leaving harmful residues.

Question 2010

In which direction a rainbow is formed ?

AAbove the sun

BBelow the sun

COpposite to the sun

DAt the level of the sun

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C. Opposite to the sunExplanation: A rainbow is formed in the part of the sky opposite to the Sun. It occurs when sunlight is refracted, internally reflected, and dispersed by raindrops, splitting the light into its seven constituent colors. The observer must have the Sun behind them and rain in front to see the rainbow clearly.

Question 2009

Which of the following statements is correct ?

ARed insulated wire is called 'live' wire

BBlack insulated wire is called 'neutral' wire

CGreen insulated wire is called 'earthing'

DAll of the above

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D. All of the aboveExplanation: In household electrical wiring, all the given statements are correct: the red insulated wire is the live (phase) wire, the black insulated wire is the neutral wire, and the green insulated wire is used for earthing to ensure safety by preventing electric shocks.

Question 2008

What is common in AIDS, hepatitis and typhoid fever ?

AAll are bacterial disease

BAll are water borne diseases

CAll are viral disease

DAll are spread by human beings

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D. All are spread by human beingsExplanation: AIDS, Hepatitis, and Typhoid fever are all diseases that can be spread by human beings. While AIDS and Hepatitis are viral diseases and Typhoid is a bacterial disease, all three are transmitted through contact with infected individuals or their body fluids, making human-to-human transmission common.

Question 2007

Cause of global warming is:

AExcessive use of organic manure

BIncrease in the amount of CO2 in the atmosphere

CIncrease in the amount of atmospheric nitrogen

DExcessive use of fertilizer.

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B. Increase in the amount of CO2 in the atmosphereExplanation: The main cause of global warming is the rise in the concentration of carbon dioxide (CO₂) and other greenhouse gases in the atmosphere. These gases trap heat radiated from the Earth’s surface, creating the greenhouse effect and leading to an overall increase in the planet’s temperature.

Question 2006

The gas which destroys ozone layer is:

AOxygen

BArgon

CChloroflurocarbon

DHydrogen

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C. ChloroflurocarbonExplanation: Chlorofluorocarbons (CFCs) are the gases responsible for the depletion of the ozone layer. When released into the atmosphere, CFCs break down under ultraviolet (UV) radiation, releasing chlorine atoms that destroy ozone molecules (O₃), leading to thinning of the ozone layer and increased UV radiation reaching the Earth.

Question 2005

Marijuana, a psychoactive drug is obtained from:

Aseeds of pop

Bcapsules of poppy

Cfemale inflorescence of cannabis

Dmale inflorescence of cannabis

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C. female inflorescence of cannabisExplanation: Marijuana is a psychoactive drug obtained from the female inflorescence (flowering tops) of the Cannabis sativa plant. It contains the active compound tetrahydrocannabinol (THC), which affects the central nervous system and alters mood and perception.

Question 2004

who is the author of the book "Bullet for Bullet : My life as a police officer" ?

AKiran Bedi

BK.P.S Gill

CVed Marwah

DJulio Ribeiro

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D. Julio RibeiroExplanation not yet available.

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Explore the question bank

What is the historic name of Mizoram ?

The official language of Arunachal Pradesh is:

What chemicals are used in fire extinguishers used in houses and offices ?

In which direction a rainbow is formed ?

Which of the following statements is correct ?

What is common in AIDS, hepatitis and typhoid fever ?

Cause of global warming is:

The gas which destroys ozone layer is:

Marijuana, a psychoactive drug is obtained from:

who is the author of the book "Bullet for Bullet : My life as a police officer" ?

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