Description : Which of the following is related to acid rain? (a) Carbon-dioxide (b) Nitrogen (c) Sulphur dioxide’ (d) Carbon Monoxide
Last Answer : (c) Sulphur dioxide’
Description : What are the components responsible for acid rain? (1) Nitrogen monoxide (NO) and Carbon monoxide (CO) (2) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) (3) Carbon dioxide (CO2) and Carbon monoxide (CO) (4) Oxides of carbon (COx) and Oxides of nitrogen (NOx)
Last Answer : (2) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Explanation: Acid rain is caused by emissions of sulfur dioxide (SO2) and nitrogen oxide (NO), which react with the water molecules in the ... in acid rain can cause paint to peel, corrosion of steel structures and weathering of stone buildings.
Description : What are the components responsible for acid rain? (1) Nitrogen monoxide (NO) and Carbon monoxide (CO) (2) Sulphur dioxide (SO2 ) and Nitrogen oxides (NOx ) (3) Carbon dioxide (CO2 ) and Carbon monoxide (CO) (4) Oxides of carbon (COx ) and Oxides of nitrogen (NOx )
Last Answer : Sulphur dioxide (SO2 ) and Nitrogen oxides (NOx )
Description : Acid rains are produced by (a) excess NO2 and SO2 from burning fossil fuels (b) excess production of NH3 by industry and coal gas (c) excess release of carbon monoxide by incomplete combustion (d) excess formation of CO2 by combustion and animal respiration.
Last Answer : (a) excess NO2 and SO2 from burning fossil fuels
Description : Pick out the wrong statement pertaining to nitric acid. (A) About 90% of nitric acid is manufactured by Ostwald's process (B) It is a strong mono basic acid which reacts with almost all the ... (mainly NO2 ) (D) Arc process of nitric acid manufacture is economical as compared to Ostwald's process
Last Answer : (D) Arc process of nitric acid manufacture is economical as compared to Ostwald's process
Description : The drawbacks of ICT involves i) Foreign technology and culture are going heavy on our culture ii) Increased commitments to learning works iii) Learn more independently and at their own pace iv) Increase in self-directed learning and independence
Last Answer : i) Foreign technology and culture are going heavy on our culture
Description : Managing a patients record can be helpful as i) The patients data can be easily shared between the doctors ii) The patients need to pay a heavy charge for maintain the records iii) It may be difficult to search and retrieve the patient’s records. iv) None of these
Last Answer : i) The patients data can be easily shared between the doctors
Description : A flash flood is a flood that: (a) is caused by heavy rain rather than from the flooding of a river (b) occurs in urban areas (c) occurs suddenly and unexpectedly and for a short duration (d) is caused by the blocking of drains.
Last Answer : (c) occurs suddenly and unexpectedly and for a short duration
Description : A flash flood is a flood that a) is caused by heavy rain rather than from the flooding of a river b) occurs in urban areas c. occurs suddenly and unexpectedly and for a short duration d. is caused by the blocking of drains.
Last Answer : c. occurs suddenly and unexpectedly and for a short duration
Description : On what date a powerful earthquake struck South Eastern Iran and Caused heavy loss of life and property? a. 26.12.2004 b. 26.12.2003 c. 26.12.2002 d. 25.11.2003
Last Answer : b. 26.12.2003
Description : The human factors which cause floods are: (a) Deforestation (b) Heavy rainfall (c) Cloud burst (d) Large catchment area
Last Answer : (a) Deforestation
Description : Which gas caused Bhopal Gas Tragedy? (a) Methyl Isocyanate (b) Carbon dioxide (c) Oxygen (d) Methane
Last Answer : (a) Methyl Isocyanate
Description : The name of the chemical leakage in Bhopal Gas Tragedy – a) Carbon dioxide b) Methyl Isocyanate c) Hydrogen d) Sulphur oxide
Last Answer : b) Methyl Isocyanate
Description : What are the important measures to be taken in community level of disaster preparedness a. Increased awareness b. Provision of early and timely warning c. Landuse planning d. All of the above
Last Answer : d. All of the above
Description : The role of which agency is important in disaster prevention. a. Media b. Police c. Government officials d. Public
Last Answer : a. Media
Description : (1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, ... violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3
Last Answer : Water is not effective in extinguishing a fire caused by petrol because - (1) the flame is too hot for water to cool it down (2) water and petrol react chemically (3) water and petrol are ... (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn
Description : Which of the following in auto-mobile exhaust can cause cancer? (1) Oxides of nitrogen (2) Carbon monoxide (3) Lead (4) Polyclinic hydrocarbons
Last Answer : (2) Carbon monoxide Explanation: Polycyclic aromatic hydrocarbons (PAHs) are formed during incomplete combustion. Domestic wood burning and road traffic are the major sources of PAHs. Exposure ... reactive diol epoxide intermediates and their subsequent covalent binding to critical targets in DNA.
Description : The constituents of automobile exhaust that can cause cancer is/are : (1) Oxides of nitrogen (2) Carbon monoxide (3) Polycyclic hydrocarbons (4) Lead
Last Answer : (2) Carbon monoxide Explanation: Lead is a naturally occuriing bluish-gray metal found in small amounts in the earth's crust. In the past, when lead was added to gasoline, breathing automobile ... found to be carcinogen. A substance that causes cancer or helps cancer grow is called a carcinogen.
Description : Global warming is mainly due to accumulation of – (1) Oxides of nitrogen (2) Oxides of sulphur (3) Carbon dioxide (4) Carbon monoxide
Last Answer : (3) Carbon dioxide Explanation: Global Warming refers to average increase in the earth's temperature due to increase in pollution which results in greenhouse effect which in turn leads to climate ... dioxide accumulate into the atmosphere and trap heat that would normally exit into the outer space.
Description : Which of the following is the most major constituents of air pollutants? (A) Oxides of sulphur (B) Oxides of nitrogen (C) Carbon monoxide (D) Hydrogen sulphide
Last Answer : (A) Oxides of sulphur
Description : Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? (A) Smog & ozone (B) Hydrogen fluoride & nitrogen oxides (C) Sulphur dioxide & spray of weed killers (D) Carbon monoxide
Last Answer : (D) Carbon monoxide
Description : Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog? (A) Nitrogen oxides (B) Hydrocarbons (C) Both 'a' & 'b' (D) Carbon monoxide
Last Answer : (C) Both 'a' & 'b'
Description : Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is (A) Alumina (B) Platinum (C) Vanadium pentoxide (D) Iron oxide
Last Answer : Option B
Description : Chief air pollutant which is likely to deplete ozone layer is a) Sulphur dioxide b) Carbon dioxide c) Carbon monoxide d) Nitrogen oxides and Fluorocarbons.
Last Answer : d) Nitrogen oxides and Fluorocarbons
Description : Identify the air pollutant in urban areas which irritates eyes and also respiratory tract of human beings. (A) Particulate matter (B) Oxides of nitrogen (C) Surface ozone (D) Carbon monoxide
Last Answer : (C) Surface ozone
Description : The smog in cities in India mainly consists of (A) Oxides Of sulphur (B) Oxides of nitrogen and unburnt hydrocarbons (C) Carbon monoxide and SPM (D) Oxides of sulphur and ozone
Last Answer : (B) Oxides of nitrogen and unburnt hydrocarbons
Description : Which of the following pollutants is not emitted from the transport sector? (A) Oxides of nitrogen (B) Chlorofluorocarbons (C) Carbon monoxide (D) Poly aromatic hydrocarbons
Last Answer : (B) Chlorofluorocarbons
Description : Which of the following in automobile exhaust can cause cancer? (1) Oxides of nitrogen (2) Carbon monoxide (3) Lead (4) Polyclinic hydrocarbons
Last Answer : Polyclinic hydrocarbons
Last Answer : Lead
Description : Global warming is mainly due to accumulation of (1) Oxides of nitrogen (2) Oxides of sulphur (3) Carbon dioxide (4) Carbon monoxide
Last Answer : Carbon dioxide
Description : (3) Oxides of nitrogen and sulphur Explanation: Acid rain is caused by emissions of oxides of Sulfur and Nitrogen (Sulfur Dioxide and Nitrogen Oxide), which react with the water molecules in the ... The emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) result from fossil fuel combustion.
Last Answer : (3) live wire and the neutral wire Explanation: Three wires enter most homes from the power pole-two "hot" wires and a third "neutral" wire. Each hot wire provides 120- volt current for ... the main switch is put off because the electric circuit (the path where the electricity travels) gets opened.
Description : Which of the following emits dangerous radioactive wastes forcing the government to eliminate its use? (a) Nuclear energy (b) Water energy (c) Geothermal energy (d) Solar energy
Last Answer : (a) Nuclear energy
Description : The size of a flood is measured by: (a) the rate of flow of water in a waterway or river (b) the level of water in a waterway or river (c) a river gauging station (d) all of the above.
Last Answer : (d) all of the above.
Description : When a river’s water level reaches 10 metres, this means that: (a) the water level is 10 metres above an arbitrary ‘zero’ level (b) the water level is 10 metres above mean sea level (c) the water level is 10 metres above mean sea level or an arbitrary 'zero' level (d) it will flood.
Last Answer : (c) the water level is 10 metres above mean sea level or an arbitrary 'zero' level
Description : A flood can vary in: (a) size (b) speed of water flow (c) duration (d) all of the above.
Description : When forests are cut or burned down a) Water can flow away very quickly and cause mudslides b) Nutrients are washed deep into the soil c) Water stands in fields and cannot flow away d) Rainfall can get into the ground more quickly
Last Answer : a) Water can flow away very quickly and cause mudslides
Description : In alpine regions reservoirs are created a) To regulate the flow of melting water from icefields b) To give the alpine populations enough water c) To make larger rivers smaller d) To get enough water into the main rivers
Last Answer : a) To regulate the flow of melting water from icefields
Description : Dams are designed to reduce flooding by ____________. a) Protecting river banks from erosion b) Providing storage for flood water c) Increasing the downstream velocity of flood water ‘ d) Trapping sediment behind the dam so it can't be deposited downstream
Last Answer : b) Providing storage for flood water
Description : Urbanization usually results in an increase in flood frequency because ___________. a) Less water is able to runoff in streams b) Less water is able to infiltrate into the ground, so instead is ... humans and then discharged to streams d) Rainfall is greater in urban areas than in rural areas
Last Answer : b) Less water is able to infiltrate into the ground, so instead is discharged rapidly into streams
Description : The size of a flood is measured by: a) The rate of flow of water in a waterway or river b) The level of water in a waterway or river c) A river gauging station d) All of the above.
Last Answer : d) All of the above.
Description : A flood can vary in: a) Size b) Speed of water flow c) Duration d) All of the above.
Description : Dams are designed to reduce flooding by _______________. a) Protecting river banks from erosion b) Providing storage for flood water c) Increasing the downstream velocity of flood water d) Trapping sediment behind the dam so it can't be deposited downstream
Description : Which is the most dangerous location for a tsunami hazard? a) A straight stretch of coast directly exposed to the open sea b) A rocky point protruding into the ocean in deep water c) A bay with a nice sandy beach at its end d) A small boat in the deep ocean
Last Answer : d) A small boat in the deep ocean
Description : As a tsunami approaches shallow water which of the following set of transformations occur? a) Wavelength increases, wave period decreases, and wave height stays the same b) Wavelength decreases, ... wave height increases d) Wavelength decreases, waver period stays the same, and wave height increases
Last Answer : d) Wavelength decreases, waver period stays the same, and wave height increases
Description : An essential to the sanitary maintenance of latrines is a. Sufficient supply of water b. Supply of latrine construction materials c. Health education program in latrine usage and upkeep d. All of the above
Last Answer : c. Health education program in latrine usage and upkeep
Description : The most essential item that the disaster stricken populations must be provided with is a. Shelter material b. Drinking water c. Fuel d. All of the above
Last Answer : b. Drinking water
Description : Disaster management is aimed ata. Resettling people in the closest unaffected urban area a. Resettling people in the closest unaffected urban area b. Collection of valuable data for future ... a future disaster d. Restoring a communitys services, facilities and residences to pre-disaster levels
Last Answer : d. Restoring a communitys services, facilities and residences to pre-disaster levels
Description : Who coined the term "Computer ethics" as a branch of philosophy? a. Aryabhatt b. Grace Hoppers c. John Von Neumann d. Walter Maner
Last Answer : d. Walter Maner
Description : Pirating software is an act of violating a. Equity b. Ethics c. Law d. None of the these
Last Answer : b. Ethics