In cities like Bombay and Calcutta the major air pollutants are

In cities like Bombay and Calcutta the major air pollutants are
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In cities like Bombay and Calcutta the major air pollutants are A. Ozone B. Carbon monoxide and oxides ... and not air D. Algal spores and marsh gas
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In indian metropolitan cities like Delhi major air pollutants is

Description : In indian metropolitan cities like Delhi major air pollutants is

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Where the High Courts in India first set up? (1) Delhi and Calcutta (2) Bombay, Madras, Calcutta (3) Bombay, DelOhi, Calcutta (4) Madras and Bombay

Description : Where the High Courts in India first set up? (1) Delhi and Calcutta (2) Bombay, Madras, Calcutta (3) Bombay, DelOhi, Calcutta (4) Madras and Bombay

Last Answer : (2) Bombay, Madras, Calcutta Explanation: The Calcutta High Court is the oldest High Court in the country, established on 2 July, 1862. Madras High Court in Chennai, Bombay High Court in Mumbai, Calcutta ... Manipur and Tripura --- taking the total number of High Courts in the country from 21 to 24.

In India, the first municipal corporation was set up in which one of the following - (1) Calcutta (2) Madras (3) Bombay (4) Delhi

Description : In India, the first municipal corporation was set up in which one of the following - (1) Calcutta (2) Madras (3) Bombay (4) Delhi

Last Answer : (2) Madras Explanation: In 1687, the first municipal corporation in India was set up at Madras during the British rule period. The Chennai Municipal Corporation (officially the Corporation of Chennai), formerly ... of the 200 wards of the city. It is also the second oldest corporation in the world.

The famous tourist centre Mahabalipuram is located near: (1) Bombay (2) Delhi (3) Chennai (4) Calcutta

Description : The famous tourist centre Mahabalipuram is located near: (1) Bombay (2) Delhi (3) Chennai (4) Calcutta

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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

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

”The rapid and unplanned expansion of Bombay led to many problems -. Mention the major problems. -SST 10th

Description : ”The rapid and unplanned expansion of Bombay led to many problems -. Mention the major problems. -SST 10th

Last Answer : (i) Water crisis (ii) Crisis of housing (iii) Lack of space (iv) Caste and family group dashes.

Explain any three causes of air pollution in Calcutta in the nineteenth and early twentieth century. -SST 10th

Description : Explain any three causes of air pollution in Calcutta in the nineteenth and early twentieth century. -SST 10th

Last Answer : The city life of Calcutta was full of contrasts, according to Durgacharan Ray. 1. In the 19 th century, Calcutta was brimming with opportunities - for trade, commerce and jobs. 2. ... - was added by the railways. The body that controlled industrial pollution was Bengal Smoke Nuisance Commission.

State any three causes of air pollution in Calcutta in the 19th century. -SST 10th

Description : State any three causes of air pollution in Calcutta in the 19th century. -SST 10th

Last Answer : (i) Pollution was due to large number of people being dependent on dung and wood as fuel. (ii) Industries and other establishment used steam engines that run on coal and caused air pollution. ... thick smog. (iv) Calcutta had a history of air pollution. Its inhabitants inhaled grey smoke.

Explain any four causes of air pollution in Calcutta in the 19th century and early 20th century. -SST 10th

Description : Explain any four causes of air pollution in Calcutta in the 19th century and early 20th century. -SST 10th

Last Answer : Calcutta in the nineteenth century was a city full of pollution. The industries and the railways were the main pollutants. The city life was very irksome and difficult. The gods in ... with smoke to generate thick smog. Bengal Smoke Nuisance Commission controlled industrial pollution in Bengal.

What are the major pollutants of cigarette smoke? (1) Carbon monoxide and dioxin (2) Carbon monoxide and nicotine (3) Carbon monoxide and benzene (4) Dioxin and benzene

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Last Answer : (2) Carbon monoxide and nicotine Explanation: Particulate matter consists of millions of tiny particles of diverse chemical composition. Particulate matter from tobacco smoke includes many particles in the size ... smoke and can enter deep into the lung where they can cause serious health problems.

What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillery, dairy and meat packing industries? (A) Radioactive substances (B) Natural organic products (C) Inorganic pollutants (D) None of these

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What are the major pollutants of cigarette smoke? (1) Carbon monoxide and dioxin (2) Carbon monoxide and nicotine (3) Carbon monoxide and benzene (4) Dioxin and benzene

Description : What are the major pollutants of cigarette smoke? (1) Carbon monoxide and dioxin (2) Carbon monoxide and nicotine (3) Carbon monoxide and benzene (4) Dioxin and benzene

Last Answer : Carbon monoxide and nicotine

What are the important air pollutants? -Geography

Description : What are the important air pollutants? -Geography

Last Answer : The important air pollutants are carbon dioxide, carbon monoxide, sulphur dioxide, nitrogen oxide, chloroflaoro carbons, hydro carbons etc.

What are the types of air pollutants? -Biology

Description : What are the types of air pollutants? -Biology

Last Answer : answer:

What are the types of air pollutants? -Biology

Description : What are the types of air pollutants? -Biology

Last Answer : answer:

Examples of secondary air pollutants is/are:

Description : Examples of secondary air pollutants is/are:

Last Answer : Examples of secondary air pollutants is/are: A. Smog B. PAN C. CFCs D. All the above

Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants

Description : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants

Last Answer : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic ... but reason is wrong D. Both are wrong

Which of the following statements are correct ? (i) Benzene hexachloride (BHC) is a non-biodegradable pollutant. (ii) Anthropogenic air pollutants are

Description : Which of the following statements are correct ? (i) Benzene hexachloride (BHC) is a non-biodegradable pollutant. (ii) Anthropogenic air pollutants are

Last Answer : Which of the following statements are correct ? (i) Benzene hexachloride (BHC) is a non-biodegradable pollutant. (ii) ... b B. a,c C. b,c D. c,d

Which is not an air pollutants ?

Description : Which is not an air pollutants ?

Last Answer : Which is not an air pollutants ? A. Phosphate B. Hydrocarbons C. Carbon monoxide D. All of the above

Air pollutants that produce photochemical oxidants include

Description : Air pollutants that produce photochemical oxidants include

Last Answer : Air pollutants that produce photochemical oxidants include A. `CO_(2)`, CO and `SO_(2)` B. ... nitric acid D. ozone, chlorine and sulphur dioxide.

A primary air pollutants is

Description : A primary air pollutants is

Last Answer : A primary air pollutants is A. `CH_(4)` B. `H_(2)S` C. CO D. All the above

Jet aeroplanes releases pollutants in air called

Description : Jet aeroplanes releases pollutants in air called

Last Answer : Jet aeroplanes releases pollutants in air called A. smog B. photo-chemical oxidants C. Aerosols D. Algae and bacteria.

$ Air pollutants are always gaseous. ! Ultraviolet rays do not cause any harm to the human beings.

Description : $ Air pollutants are always gaseous. ! Ultraviolet rays do not cause any harm to the human beings.

Last Answer : $ Air pollutants are always gaseous. ! Ultraviolet rays do not cause any harm to the human beings. A. If ... is wrong D. If both As and R are wrong.

Examples of secondary air pollutants is/are:

Description : Examples of secondary air pollutants is/are:

Last Answer : Examples of secondary air pollutants is/are: A. Automobile exhausts B. chimneys smog C. photochemicals smog D. Classical smog

According to Central Pollution Control board (CPCB). Which particulate size in diameter (in micrometers) of the air pollutants is responsible for grea

Description : According to Central Pollution Control board (CPCB). Which particulate size in diameter (in micrometers) of the air pollutants is responsible for grea

Last Answer : According to Central Pollution Control board (CPCB). Which particulate size in diameter (in micrometers) of the air ... . 2.5 or less D. 1.5 or less

Consider the following statements 1. Large cold storage plants use ammonia as refrigerant while domestic refrigerators use chlorofluorocarbons. 2. Ammonia can be liquefied at ambient temperatures and at low pressures. 3. Chlorofluorocarbons are air pollutants. The correct statement(s) is/are: (a) 1 and 3 only (b) 2 and 3 only (c) 1, 2 and 3 (d) 3 only

Description : Consider the following statements 1. Large cold storage plants use ammonia as refrigerant while domestic refrigerators use chlorofluorocarbons. 2. Ammonia can be liquefied at ambient temperatures and at low pressures. 3. Chlorofluorocarbons are ... 3 only (b) 2 and 3 only (c) 1, 2 and 3 (d) 3 only

Last Answer : Ans:(a)

Electro-static precipitator is used to control – (1) Chemical Pollutants (2) Radio-active Pollutants (3) Water Pollutants (4) Air Pollutants

Description : Electro-static precipitator is used to control – (1) Chemical Pollutants (2) Radio-active Pollutants (3) Water Pollutants (4) Air Pollutants

Last Answer : (4) Air Pollutants Explanation: An Electrostatic precipitator is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an induced electrostatic charge. ... and can easily remove fine particulate matter such as dust and smoke from the air stream.

Mention the common air pollutants and their effects.

Description : Mention the common air pollutants and their effects.

Last Answer : Pollutant Sulphur oxide particles Sources Coal & oil power plants, oil refineries, smelters, kerosene stoves Carbon monoxide Burning of fossil fuels, emission from vehicles Oxides of nitrogen ... smoke, stove smoke Copper smelters, cigarette smoke Pollen, animal skin, House dust

According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health? (a) 1.0 or less (b) 5.2 - 2.5 (c) 2.5 or less (d) 1.5 or less

Description : According to Central Pollution Control Board  (CPCB), which particulate size in diameter (in  micrometers) of the air pollutants is responsible for  greatest harm to human health? (a) 1.0 or less (b) 5.2 - 2.5 (c) 2.5 or less (d) 1.5 or less

Last Answer : (c) 2.5 or less

According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health? (a) 1.0 or less (b) 5.2 - 2.5 (c) 2.5 or less (d) 1.5 or less

Description : According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health? (a) 1.0 or less (b) 5.2 - 2.5 (c) 2.5 or less (d) 1.5 or less

Last Answer : (c) 2.5 or less

Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder that cause wheezing due to (a) reduction in the secretion of surfactant by pneumocytes (b) benign growth on mucous lining of nasal cavity (c) inflammation of bronchi and bronchioles (d) proliferation of fibrous tissues and damage of the alveolar walls.

Description : Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder that cause wheezing due to (a) reduction in the secretion of surfactant by ... of bronchi and bronchioles (d) proliferation of fibrous tissues and damage of the alveolar walls.

Last Answer : (c) inflammation of bronchi and bronchioles

Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO2 in air is __________ ppm. (A) 5 (B) 500 (C) 1000 (D) 2000

Description : Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO2 in air is __________ ppm. (A) 5 (B) 500 (C) 1000 (D) 2000

Last Answer : (A) 5

Most of the atmospheric air pollutants are present in large quantity in (A) Stratosphere (B) Thermosphere (C) Troposphere (D) Mesosphere

Description : Most of the atmospheric air pollutants are present in large quantity in (A) Stratosphere (B) Thermosphere (C) Troposphere (D) Mesosphere

Last Answer : (C) Troposphere

Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a ‘particulate’? (A) Dust & mists(B) Smoke & fumes(C) Photochemical smog & soot(D) None of these

Description : Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a ‘particulate’? (A) Dust & mists (B) Smoke & fumes (C) Photochemical smog & soot (D) None of these

Last Answer : (D) None of these

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

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

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

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

Point out the sources of air pollutants you find in your locality and suggest ways to reduce the pollution.

Description : Point out the sources of air pollutants you find in your locality and suggest ways to reduce the pollution.

Last Answer : Sources of pollutants I. Vehicle's smoke II. Industrial smoke III. CFC in aerosol spray IV. Rotting vegetation Methods to reduce pollution I. Public transport should be used instead of personal cars. II ... from urban areas. IV. CFC free products should be used. V. Deforestation should be avoided.

What are the main air pollutants?

Description : What are the main air pollutants?

Last Answer : I. Carbon monoxide (CO) II. Sulphur dioxide (SO2) III. Oxides of nitrogen (NO & NO2) IV. Chlorofluoro carbons (CFCs)

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

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

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

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

Electro-static precipitator is used to control (1) Chemical Pollutants (2) Radio-active Pollutants (3) Water Pollutants (4) Air Pollutants

Description : Electro-static precipitator is used to control (1) Chemical Pollutants (2) Radio-active Pollutants (3) Water Pollutants (4) Air Pollutants

Last Answer : Air Pollutants

Graph indicating changes in pollutants level w.r.t air fuel ratio

Description : Graph indicating changes in pollutants level w.r.t air fuel ratio

Last Answer : Graph indicating changes in pollutants level w.r.t air fuel ratio

Explain how a city like Calcutta faced the problem of environmental pollution? -SST 10th

Description : Explain how a city like Calcutta faced the problem of environmental pollution? -SST 10th

Last Answer : . Since the city was built on marshy land, the resulting fog combined with smoke, and generated a thick black smog. . High levels of pollution was due to the huge population that used dung ... Tollygunge began to burn rice husk instead of coal, leading to black soot which fell like drizzling rain.

How were Oriental institutions like the Calcutta Madrasa and Benaras Sanskrit College viewed by the British? -History

Description : How were Oriental institutions like the Calcutta Madrasa and Benaras Sanskrit College viewed by the British? -History

Last Answer : These Oriental institutions were viewed as temples of darkness that were falling of themselves into decay.

Explain the pollution problem of Calcutta. -SST 10th

Description : Explain the pollution problem of Calcutta. -SST 10th

Last Answer : (i) Calcutta or Kolkata had a long history of air pollution. Its inhabitants inhaled grey smoke, particularly in the winter. Since the cry was built on marshy land, the resulting fog ... finally managed to control the industrial smoke. Controlling domestic smoke, however, was for more difficult.

According to Durgacharan Ray, in what three ways did the city life of Calcutta present contrasting images of opportunities? -SST 10th

Description : According to Durgacharan Ray, in what three ways did the city life of Calcutta present contrasting images of opportunities? -SST 10th

Last Answer : The city life of Calcutta was full of contrasts, according to Durgacharan Ray. 1. In the 19 th century, Calcutta was brimming with opportunities - for trade, commerce and jobs. 2. ... down. The contrasting images were of wealth and poverty, splendour and dirt, opportunities and disappointments.