Environmental Chemistry NEET Questions

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Environmental Chemistry NEET Practice Questions

1 / 68

Green chemistry means such reactions which

(a) are related to the depletion of the ozone layer

(d) reduce the use and production of hazardous chemicals

(b) study the reactions in plants

2 / 68

Which of the following is responsible for the Greenhouse effect?

(b) Aluminum sheet

(a) Glass roof

(d) Jute roof

3 / 68

The Diameter of the solid dust particles is

(a) 10^-2 meter

(b) 10^-6 meter

(d) 10^-1 meter

4 / 68

DDT is

(b) Biodegradable pollutant

(d) Nitrogen-containing insecticide

(a) An antibiotic

5 / 68

Taj Mahal is threatened by pollutants from

(a) Nitric oxide

(b) Carbon oxide

(d) Chlorine

6 / 68

Which of the following is/are gaseous pollutants?

(b) Aerosols

(a) Carbon

(d) Carbon monoxide

7 / 68

Which of the following is not correct about carbon monoxide?

(a) It forms carboxyhemoglobin

(b) It reduces the oxygen-carrying ability of blood

(d) It is produced due to incomplete combustion

8 / 68

Which one of the following statements about ozone and the ozone layer is true?

(a) It is beneficial to us as it stops U.V. radiation.

(d) It is harmful as it stops useful radiation

(b) Conversion of O₃ to O₂ is an endothermic reaction.

9 / 68

Which one of the following is responsible for the depletion of the ozone layer in the upper strata of the atmosphere?

(d) Freons

(b) Ferrocene

(a) Polyhalogens

10 / 68

In Antarctica, ozone depletion is due to the formation of the following compound

(d) Chlorine nitrate

(a) Acrolein

(b) peroxy acetyl nitrate

11 / 68

Which of the following industry produces the waste of animal protein?

(a) petroleum

(d) leather

(b) paper & pulp

12 / 68

The percentage of the total amount of CO present in the atmosphere, due to forest fires is

(d) 7.4%

(b) 17%

(a) 63%

13 / 68

Which of the following oxides of nitrogen is not a common air polutant ?

(a) NO₂

(b) N₂O

(d) N₂O₅

14 / 68

Which of the following industry produces the waste of phenolic compounds and suspended solids?

(b) paper & pulp

(d) Detergent

(a) petroleum

15 / 68

Which one is not a Greenhouse Gas?

(a) H₂O

(b) O₂

(d) O₃

16 / 68

Which one of the following is not a common component of photochemical smog?

(b) Acrolein

(a) Ozone

(d) Chlorofluorocarbons

17 / 68

Which of the following chemist associate with the Greenhouse Gas effect?

(b) Chamberlin

(d) Both b and c

(a) Jean Fowier

18 / 68

The prescribed upper limit concentration of lead in drinking water is about

(d) 60 ppb

(b) 70 ppb

(a) 30 ppb

19 / 68

COD stands for

(d) Chlorinated oxygen demand

(b) Controlled oxygen demand

(a) Chemical oxygen demand

20 / 68

London Smog is built-up of

(d) Water Vapour and particulate matter of fuel combustion.

(a) Sulphur Oxide and particulate matter of fuel combustion.

(b) Carbon Oxide and particulate matter of fuel combustion.

21 / 68

The main components of acid rain in the atmosphere are

(a) Oxide of sulphur and nitrogen

(b) Oxide of carbon and nitrogen

(d) Oxide of Carbon

22 / 68

The region closest to the earth's surface is

(d) Thermosphere

(a) Stratosphere

(b) Mesosphere

23 / 68

The brown haze of photochemical Smog is largely attributable to

(d) CH₂=CH-CH=O

(a) NO

(b) NO₂

24 / 68

Which of the following techniques is/are used to control water pollution?

(a) Adsorption process

(d) All of the above

(b) Ion exchange process

25 / 68

Which one of the following statements is not true?

None of these

(b) DO concentration below 6 ppm is good for fish growth.

(a) the pH of drinking water should be between 5.5 – 9.5.

26 / 68

Spraying of DDT on crops causes pollution of

(b) Soil and air

(a) Air and Water

(d) Crops and air

27 / 68

The Greenhouse effect is caused by

(d) CO₂, CFC, CH₄ and NO₂ gases

(a) Methane only

(b) CO₂ and SO₂

28 / 68

The basic component of Smog is

(a) PAN

(d) all of these

(b) PBN

29 / 68

Which of the following will be affected by Smog?

(d) All of the above

(b) Building

(a) Rubber

30 / 68

Depletion of the ozone layer in the stratosphere may cause

(d) skin cancer

(a) lung damage

(b) global warming

31 / 68

Which of the following industries will be the best source of producing CO in the atmosphere?

(d) Both b and c

(a) Dyes

(b) petrochemical

32 / 68

Depletion of the ozone layer in the stratosphere may cause

(d) skin cancer

(b) global warming

(a) lung damage

33 / 68

The pollutants like SO_x, CO, and NO_x caused the damage:

(b) Kidney

(d) Hair loss

(a) Throat

34 / 68

The homosphere constituents how much percent of the total atmosphere

(a) 80%

(d) 99.99%

(b) 86%

35 / 68

What is the range of pH of acid rain?

(d) In between 6.00 to 6.66

(b) In between 5.6 to 6.6

(a) More than 5.6

36 / 68

Which of the following component causes water pollution?

(b) Sodium chloride

(a) Smog

(d) Industrial waste

37 / 68

Which of the following is responsible for photochemical Smog?

(a) SO_x

(d) none of the above

(b) NO_x

38 / 68

Which one of the following statements is not true?

(d) Dissolved Oxygen (DO) in cold water can reach a concentration of up to 10 ppm.

(b) Fluoride deficiency in drinking water is harmful. Soluble fluoride is often used to bring its concentration up to 1 ppm.

(a) Clean water would have a BOD value of 5 ppm.

39 / 68

Which order for greenhouse gases is truly based on GWP?

(d) CFC > CH₄> N₂O > CO₂

(a) CFC > N20 > CO₂ > CH₄

(b) CFC > CO₂ > N₂O > CH₄

40 / 68

Which of the following size of particulate will cause diseases related to lungs?

(b) 10^-6 meter

(a) 10^-2 meter

(d) 10^-1 meter

41 / 68

Which of the following is a sink for CO?

(b) Oceans

(a) Microorganisms present in the soil

(d) Hemoglobin

42 / 68

Acid rain is due to the increase in the concentration of which of the following in the atmosphere?

(d) SO₂ and NO₂

(b) CO₂ and CO

(a) O₃ + NO₂

43 / 68

Which of the following disease increase due to the Greenhouse Gases effect?

(b) Dengue

(d) All of the above.

(a) Malaria

44 / 68

The source of calcofluor carbons pollution is

(a) Jet air crafts

(d) all of the above

(b) Refrigerators

45 / 68

Which of the following is a solid pollutant

(a) Carbon

(d) Carbon monoxide

(b) Nitric oxide

46 / 68

Which of the following metal will pollute water?

(b) Na

(d) None of the above

(a) Cd

47 / 68

Which of the following is used in aerosols?

(a) NOx

(d) COx

(b) SOx

48 / 68

Depletion of the ozone layer causes?

(d) Skin Cancer

(b) Bone Cancer

(a) Blood Cancer

49 / 68

One free radial of chlorine can destroy molecules of ozone

(d) 1000

(b) 500

(a) 100

50 / 68

Which of the following ion is encouraging for the formation of algae in water?

(b) PO₄^3-

(d) CO₃^2-

(a) 5O₄^2-

51 / 68

Oxides of sulphur and nitrogen are important pollutants of

(d) Both c and d

(a) water

(b) Air

52 / 68

Among the following, the one that is not greenhouse gas is

(a) sulfur dioxide

(d) ozone

(b) nitrous oxide

53 / 68

Smog is essentially caused by the presence of

(d) O₃ and N₃

(a) Oxides of sulfur and nitrogen

(b) O₂ and N₂

54 / 68

Classical Smog Occurs in

(a) warm humid climate

(d) Both a and b

(b) Natural humid climate

55 / 68

In the coming years, skin-related disorders will be more common due to

(a) water pollution

(b) organic waste material

(d) depletion of the ozone layer

56 / 68

Which of the following pollutants are present in troposphere?

(d) Metal oxides

(b) Oxides of Sulphur

(a) Smog

57 / 68

Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity?

(d) NO

(b) NO₂

(a) N₂O₅

58 / 68

Which of the following industries will be the best source of producing CO in the atmosphere?

(d) Both b and c

(b) petrochemical

(a) Dyes

59 / 68

Regular use of which of the following fertilizers increases the acidity of soil?

(b) Urea

(d) Ammonium Sulpate

(a) potassium nitrate

60 / 68

Which of the following statements regarding photochemical smog is incorrect?

(a) Carbon monoxide does not play any role in photochemical smog formation.

(b) Photochemical smog is an oxidizing agent in character.

(d) Photochemical smog does not cause irritation in the eyes and throat

61 / 68

A substance that may alter environmental constituents or cause pollution is called

(d) Decomposer

(b) Pollutant

(a) Radiator

62 / 68

The major cause of air pollution in big cities is

(d) Vehicular exhaust

(a) Burning of coal

(b) Domestic exhaust

63 / 68

A substance that may alter environmental constituents or cause pollution is called

(d) Decomposer

(a) Radiator

(b) Pollutant

64 / 68

Most dangerous metal pollutant of automobile exhaust is

(a) lead

(b) Arsenic

(d) Cadmium

65 / 68

Which of the following statement is incorrect?

(b) Buildings are adversely affected by acid rain.

(a) Taj Mahal is affected by hydrocarbon.

(d) a large amount of acid rain decreases soil fertility.

66 / 68

Which of the following pollutant cannot be degraded by the natural process?

(d) all of the above

(a) DDT

(b) Nuclear waste

67 / 68

Ozone in the stratosphere is depleted by

(b) C₆F₁₆

(d) C₆F₆

(a) CF₂ Cl₂

68 / 68

Which of the following bacteria are responsible for Gastrointestinal Disease?

(a) Ecole

(d) S aurous

(b) S Faecalis

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Environmental Chemistry NEET Questions

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