Which of the following pollutants can cause cancer in humans ? (A) Pesticides (B) Mercury (C) Lead (D) Ozone

Which of the following pollutants can cause cancer in humans ? (A) Pesticides (B) Mercury (C) Lead (D) Ozone
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Answer: A
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In the recently launched Air Quality Index in India, which of the following pollutants is not included? (A) Chlorofluorocarbons (B) Carbon monoxide (C) Fine particulate matter (D) Ozone

Description : In the recently launched Air Quality Index in India, which of the following pollutants is not included? (A) Chlorofluorocarbons (B) Carbon monoxide (C) Fine particulate matter (D) Ozone

Last Answer : (A) Chlorofluorocarbons

Which of the following pollutants affects the respiratory tract in humans? (A) Carbon monoxide (B) Nitric oxide (C) Sulphur di-oxide (D) Aerosols

Description : Which of the following pollutants affects the respiratory tract in humans? (A) Carbon monoxide (B) Nitric oxide (C) Sulphur di-oxide (D) Aerosols

Last Answer : (C) Sulphur di-oxide

‘Minamata disaster’ in Japan was caused by pollution due to (A) Lead (B) Mercury (C) Cadmium (D) Zinc

Description : ‘Minamata disaster’ in Japan was caused by pollution due to (A) Lead (B) Mercury (C) Cadmium (D) Zinc

Last Answer : Answer: B

What Lead and mercury are two environmental pollutants why are they called heavy metals?

Description : What Lead and mercury are two environmental pollutants why are they called heavy metals?

Last Answer : Need answer

There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? (A) Mercury (B) Arsenic (C) Aluminium (D) Lead

Description : There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? (A) Mercury (B) Arsenic (C) Aluminium (D) Lead

Last Answer : (C) Aluminium

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

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

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate? (A) CO (B) SO2 (C) NOx (D) CFC (chloro fluoro carbons)

Description : Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion ... rate? (A) CO (B) SO2 (C) NOx (D) CFC (chloro fluoro carbons)

Last Answer : (A) CO

Among the following air pollutants which directly impacts human health as well as climate ? (A) Soot (B) Sulphur dioxide (C) Oxides of nitrogen (D) Chlorofluoro carbons

Description : Among the following air pollutants which directly impacts human health as well as climate ? (A) Soot (B) Sulphur dioxide (C) Oxides of nitrogen (D) Chlorofluoro carbons

Last Answer : (A) Soot

One of the anthropogenic sources of gaseous pollutants chlorofluorocarbons (CFCs) in air is (A) Cement Industry (B) Fertiliser industry (C) Foam industry (D) Pesticide industry

Description : One of the anthropogenic sources of gaseous pollutants chlorofluorocarbons (CFCs) in air is (A) Cement Industry (B) Fertiliser industry (C) Foam industry (D) Pesticide industry

Last Answer : (C) Foam industry

Biomagnification means increase in the (A) concentration of pollutants in living organisms (B) number of species (C) size of living organisms (D) biomass

Description : Biomagnification means increase in the (A) concentration of pollutants in living organisms (B) number of species (C) size of living organisms (D) biomass 

Last Answer : (A) concentration of pollutants in living organisms 

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

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 

The maximum emission of pollutants from fuel sources in India is caused by : (A) Coal (B) Firewood (C) Refuse burning (D) Vegetable waste product

Description : The maximum emission of pollutants from fuel sources in India is caused by : (A) Coal (B) Firewood (C) Refuse burning (D) Vegetable waste product

Last Answer : Answer: B  As many as 115,000 people die in India each year from coal-fired power plant po llution, costing the country about $4.6 billion, according to a groundbreaking new study released ... generation in India and its usage is continuously increasing to meet the energy demands of the country.

Which of the following types of natural hazards have the highest potential to cause damage to humans? (A) Earth quakes (B) Forest fires (C) Volcanic eruptions (D) Droughts and Floods

Description : Which of the following types of natural hazards have the highest potential to cause damage to humans? (A) Earth quakes (B) Forest fires (C) Volcanic eruptions (D) Droughts and Floods 

Last Answer : (D) Droughts and Floods 

Carcinogenic air pollutants cause (A) Bone decay (B) Cancer (C) Asphyxiation (suffocation) (D) Anemia

Description : Carcinogenic air pollutants cause (A) Bone decay (B) Cancer (C) Asphyxiation (suffocation) (D) Anemia

Last Answer : (B) Cancer

Why Pesticides and cancer drugs are both created by?

Description : Why Pesticides and cancer drugs are both created by?

Last Answer : Selective breeding

Why Pesticides and cancer drugs are both created by?

Description : Why Pesticides and cancer drugs are both created by?

Last Answer : Selective breeding

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

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

Which one of the following is not a matter a global concern in the removal of tropical forests ? (A) Their ability to absorb the chemicals that contribute to depletion of ozone layer. (B) Their role in maintaining the oxygen and carbon balance of the earth. (C) Their ability to regulate surface and air temperatures, moisture content and reflectivity. (D) Their contribution to the biological diversity of the planet.

Description : Which one of the following is not a matter a global concern in the removal of tropical forests ? (A) Their ability to absorb the chemicals that contribute to depletion of ozone layer ... , moisture content and reflectivity. (D) Their contribution to the biological diversity of the planet.

Last Answer : (A) Their ability to absorb the chemicals that contribute to depletion of ozone layer.

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

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

Which of the following is a source of emissions leading to the eventual formation of surface ozone as a pollutant? (A) Transport sector (B) Refrigeration and Air conditioning (C) Wetlands (D) Fertilizers

Description : Which of the following is a source of emissions leading to the eventual formation of surface ozone as a pollutant? (A) Transport sector (B) Refrigeration and Air conditioning (C) Wetlands (D) Fertilizers

Last Answer : (A) Transport sector 

Kyoto Protocol is related to (A) Ozone depletion (B) Hazardous waste (C) Climate change (D) Nuclear energy

Description : Kyoto Protocol is related to (A) Ozone depletion (B) Hazardous waste (C) Climate change (D) Nuclear energy

Last Answer : (C) Climate change

Nagoya Protocol is related to (A) Climate change (B) Ozone depletion (C) Hazardous waste (D) Biodiversity

Description : Nagoya Protocol is related to (A) Climate change (B) Ozone depletion (C) Hazardous waste (D) Biodiversity

Last Answer : (D) Biodiversity

Irritation in eyes is caused by the pollutant (A) Sulphur di-oxide (B) Ozone (C) PAN (D) Nitrous oxide

Description : Irritation in eyes is caused by the pollutant (A) Sulphur di-oxide (B) Ozone (C) PAN (D) Nitrous oxide

Last Answer : Answer: C

The main precursors of winter smog are (A) N2O and hydrocarbons (B) NOx and hydrocarbons (C) SO2 and hydrocarbons (D) SO2 and ozone

Description : The main precursors of winter smog are (A) N2O and hydrocarbons (B) NOx and hydrocarbons (C) SO2 and hydrocarbons (D) SO2 and ozone

Last Answer : (C) SO2 and hydrocarbons

Surface Ozone is produced from (A) Transport sector (B) Cement plants (C) Textile industry (D) Chemical industry

Description : Surface Ozone is produced from (A) Transport sector (B) Cement plants (C) Textile industry (D) Chemical industry

Last Answer : (D) Chemical industry

Pollutants likely to deplete ozone layers is

Description : Pollutants likely to deplete ozone layers is

Last Answer : Pollutants likely to deplete ozone layers is A. CO B. nitrogen oxides C. Chloroflurocarbons D. Both B and C

Certain substances are classified as water pollutants, others as air pollutants and still others as land pollutants. Which of the following pollutes all three parts of our environment? w) fluorocarbons x) smog y) acid rain z) ozone

Description : Certain substances are classified as water pollutants, others as air pollutants and still others as land pollutants. Which of the following pollutes all three parts of our environment? w) fluorocarbons x) smog y) acid rain z) ozone

Last Answer : ANSWER: Y -- ACID RAIN

How can fertilizer and pesticides lead to soil mismanagement?

Description : How can fertilizer and pesticides lead to soil mismanagement?

Last Answer : Fertilizers and pesticides lead to soil mismanagement by overdoing both. If one over does it on the fertilizer on grass, it canactually have an adverse reaction and burn out or grass can die. Ifone over uses pesticides it can also act as a ground clearingagent.

Depletion of ozone layer in the outer atmosphere may cause A. Lung cancer B. Skin cancer C. Bronchitis D. Heart disorder

Description : Depletion of ozone layer in the outer atmosphere may cause A. Lung cancer B. Skin cancer C. Bronchitis D. Heart disorder

Last Answer : ANS: B

If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by – (1) Mercury (2) Lead (3) Iron (4) Arsenic

Description : If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by – (1) Mercury (2) Lead (3) Iron (4) Arsenic

Last Answer : (2) Lead Explanation: Lead is used in building construction, lead-acid batteries, bullets and shot, weights, as part of solders, pewters, fusible alloys, and as a radiation shield. Lead has the ... Its four stable isotopes have 82 protons, a magic number in the nuclear shell model of atomic nuclei.

A breakable, mercury-filled thermometer should not be used in a lead-acid battery to measure electrolyte temperature, as an accidental breakage can cause ____________. A. severe sparking and explosions B. rapid oxidation of battery plates C. violent gassing at the positive plates D. corrosion on the battery terminals

Description : A breakable, mercury-filled thermometer should not be used in a lead-acid battery to measure electrolyte temperature, as an accidental breakage can cause ____________. A. severe sparking and explosions ... battery plates C. violent gassing at the positive plates D. corrosion on the battery terminals

Last Answer : Answer: A

If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by (1) Mercury (2) Lead (3) Iron (4) Arsenic

Description : If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by (1) Mercury (2) Lead (3) Iron (4) Arsenic

Last Answer : Lead

Jean Piaget gave a theory of cognitive development of humans on the basis of his: (A) Evaluation Research (B) Fundamental Research (C) Applied Research (D) Action Research

Description : Jean Piaget gave a theory of cognitive development of humans on the basis of his: (A) Evaluation Research (B) Fundamental Research (C) Applied Research (D) Action Research

Last Answer : (B) Fundamental Research

The science of the study of feedback systems in humans, animals and machines is known as: (A) cybernetics (B) reverse communication (C) selectivity study (D) response analysis

Description : The science of the study of feedback systems in humans, animals and machines is known as: (A) cybernetics (B) reverse communication (C) selectivity study (D) response analysis

Last Answer : Answer: A  Cybernetics is the study of communication and control processes in living organisms and machines. Cybernetics analyzes the ability of humans, animals, and some machines to respond to ... machines control their actions by telling them whether they are proceeding in the right direction. 

In the study of man-environment interaction, the statement of Miss Semple that “the humans are solely the product of their environment” , is : (A) An opinion (B) A prejudice (C) A fact (D) A widely accepted phenomenon

Description : In the study of man-environment interaction, the statement of Miss Semple that “the humans are solely the product of their environment” , is : (A) An opinion (B) A prejudice (C) A fact (D) A widely accepted phenomenon

Last Answer : Answer: C

Application of organophosphorus group of pesticides along with which herbicides cause injury to crops a). Triazines b). Ureas c). Both d). None

Description : Application of organophosphorus group of pesticides along with which herbicides cause injury to crops a). Triazines b). Ureas c). Both d). None

Last Answer : c). Both

Global warming during winter becomes more pronounced at the : (A) Equator (B) Poles (C) Tropic of Cancer (D) Tropic of Capricorn

Description : Global warming during winter becomes more pronounced at the : (A) Equator (B) Poles (C) Tropic of Cancer (D) Tropic of Capricorn

Last Answer : (D) Tropic of Capricorn

Pick out the wrong statement. (A) Benzopyrene which causes cancer is present in traces in tobacco, charcoal & petrol driven automobile exhaust (B) NO2 is capable of penetrating the troposphere and can absorb both ultraviolet & visible light (C) Hydrocarbon pollutants are produced by sweet gum, oak & natural rubber trees (D) H2S is not at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO2

Description : Pick out the wrong statement. (A) Benzopyrene which causes cancer is present in traces in tobacco, charcoal & petrol driven automobile exhaust (B) NO2 is capable of penetrating the troposphere and ... at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO2

Last Answer : (D) H2S is not at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO2

High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes (A) Cancer (B) Silicosis (C) Respiratory disease (e.g., asthma) (D) Reduced crop yield

Description : High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes (A) Cancer (B) Silicosis (C) Respiratory disease (e.g., asthma) (D) Reduced crop yield

Last Answer : (A) Cancer

If you have all the potentialities to become an efficient teacher but the school's adverse conditions do not help you. How could you adjust with this reality? Options: A) You will continue excellent efforts because you believe that unfavourable conditions lead to some solutions B) You will try force the administrative machinery to control the conditions C) You will work unwillingly under these prevailing situations D) You will not even try to think about its solution

Description : If you have all the potentialities to become an efficient teacher but the school's adverse conditions do not help you. How could you adjust with this reality? Options: A) You will continue ... work unwillingly under these prevailing situations D) You will not even try to think about its solution

Last Answer : B) You will try force the administrative machinery to control the conditions 

Consider the statement which is followed by two arguments (I) and (II): Statement: Should India switch over to a two party system? Arguments: (I) Yes, it will lead to stability of Government. (II) No, it will limit the choice of voters. (A) Only argument (I) is strong. (B) Only argument (II) is strong; (C) Both the arguments are strong. (D) Neither of the arguments is strong.

Description : Consider the statement which is followed by two arguments (I) and (II): Statement: Should India switch over to a two party system? Arguments: (I) Yes, it will lead to stability of Government. (II) No, ... (II) is strong; (C) Both the arguments are strong. (D) Neither of the arguments is strong.

Last Answer : (C) Both the arguments are strong.

Which of the following statement is correct? (A) Discoveries are researches (B) Researches lead to discovery (C) Invention and Research are related (D) None of the above

Description : Which of the following statement is correct? (A) Discoveries are researches (B) Researches lead to discovery (C) Invention and Research are related (D) None of the above

Last Answer : Answer: B

Assertion : In presence of ozone, mercury loses its meniscus and sticks to glasses. This is called tailing of mercury Reason: Tailing of mercury is du

Description : Assertion : In presence of ozone, mercury loses its meniscus and sticks to glasses. This is called tailing of mercury Reason: Tailing of mercury is du

Last Answer : Assertion : In presence of ozone, mercury loses its meniscus and sticks to glasses. This is called ... -I is not correct and Statement-II is correct

In the tailing of mercury ozone oxidises X to Y.X and Y are respectively

Description : In the tailing of mercury ozone oxidises X to Y.X and Y are respectively

Last Answer : In the tailing of mercury ozone oxidises X to Y.X and Y are respectively A. Hg,Hg(I)O B. Hg,Hg(II)O C. Hg(I)O,Hg(II)O D. Hg(II)O,Hg(I)O

Pick out the wrong statement (A) Low ozone layer thickness in polar regions is due to cold climatic conditions (B) Amount of unburnt hydrocarbons emitted by two stroke petrol engine is more as compared to that emitted by a four stroke engine (C) Carbon monoxide present in the two stroke petrol engine exhaust is much less as compared to that emitted from a four stroke engine (D) Mercury as a pollutant can enter the blood stream & the digestive system/ lungs and is responsible for causing Minamata disease

Description : Pick out the wrong statement (A) Low ozone layer thickness in polar regions is due to cold climatic conditions (B) Amount of unburnt hydrocarbons emitted by two stroke petrol engine is more ... can enter the blood stream & the digestive system/ lungs and is responsible for causing Minamata disease

Last Answer : (D) Mercury as a pollutant can enter the blood stream & the digestive system/ lungs and is responsible for causing Minamata disease

Which of the following in auto-mobile exhaust can cause cancer? (1) Oxides of nitrogen (2) Carbon monoxide (3) Lead (4) Polyclinic hydrocarbons

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.

The constituents of automobile exhaust that can cause cancer is/are : (1) Oxides of nitrogen (2) Carbon monoxide (3) Polycyclic hydrocarbons (4) Lead

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.

Which of the following in automobile exhaust can cause cancer? (1) Oxides of nitrogen (2) Carbon monoxide (3) Lead (4) Polyclinic hydrocarbons

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

The constituents of automobile exhaust that can cause cancer is/are : (1) Oxides of nitrogen (2) Carbon monoxide (3) Polycyclic hydrocarbons (4) Lead

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 : Lead

If your colleague deliberately neglect you inspite of your courteous invitation, the reasonable cause of it may be Options: A) Withdrawal due to inferiority complexes B) A voidance due to feelings of superiority C) Rivalries in relation to professional dignity D) Personal conflicts in family

Description : If your colleague deliberately neglect you inspite of your courteous invitation, the reasonable cause of it may be Options: A) Withdrawal due to inferiority complexes B) A voidance due to feelings of superiority C) Rivalries in relation to professional dignity D) Personal conflicts in family

Last Answer : D) Personal conflicts in family