Questions

 

1.     In May 2014 the World Health Organisation announced New Delhi as the most polluted city in the world

2.     India was the third largest emitter of carbon dioxide in 2009 at 1.65 Gt per year, after China (6.9 Gt per year) and the United States (5.2 Gt per year). 

3.     In January 2010, Government of India published norms of permissible noise levels in urban and rural areas

4.     The BOD test measures the oxygen demand of biodegradable pollutants whereas the COD test measures the oxygen demand of oxidizable pollutants.

5.     The waste water with high BOD indicates the water is having high load of pollution

6.     Treated waste water can be used for agriculture and horticultural crops

7.     E coli is an indicator organism for waste water pollution

8.     Effluent from the pulp and paper industry is generally high in suspended solidsand BOD

9.     Domestic and industrial air pollution sources can be catagorised as mobile source of air pollution

10.   Chlorination is an example for waste water of chemical method

11.   UViolet light  treatment is example of Physical method of filteration

12.   Ozonation

13.   Slow sand filter/ trickling filter are examples of biological method of water treatment

14.   Biologically active carbon is an example of

15.    Constructed wet land technology is ------------------- method of waste water treatment

16.   Alum  treatment is example for ----------------------------

17.   Cholera is an example of water borne diseases

18.   The CPCB (Central Pollution Control Board) was constituted under the The Water (Prevention and Control of Pollution) Act  in 1974

19.   The Water (Prevention and Control of Pollution) Act  in 1974 establishes standards for water quality and effluent

20.   Max permissible Biochemical Oxygen Demand (3 days at 27oC), mg/L Standards for discharge of trade effluent into On land for irrigation is 100 ppm

21.   Toxic mine tailing is a source of soil pollution (true)

22.   Excessive Use of super phosphate in agriculture will lead to accumulation of heavy metals viz., Cd and Pb

23.   Illicit dumping of agricultural waste  in soil will lead to Depletion of soil available nitrogen

24.   The effect of pesticides on soil microorganisms is impacted by the persistence, concentration, and toxicity of the applied pesticide, in addition to various environmental factors

25.   long-term pesticide application can disturb the biochemical processes of nutrient cycling

26.   Use of organochlorine herbicides viz., 2,4,D, Butachlor, pertillachlor  will lead to bio-accumulation in food chain

27.   PCB and PAHs were released from power stations and waste incineration process

28.   Heavy metals in the soil may be degraded in the soil and converted into light metals using suitable technologies

29.   Chronic exposure to chromium, lead and other metals, petroleum, solvents, and many pesticide and herbicide formulations can be carcinogenic, can cause congenital disorders, or can cause other chronic health conditions.

30.    Industrial or man-made concentrations of naturally occurring substances, such as nitrate and ammonia associated with livestock manure from agricultural operations, have also been identified as health hazards in soil and groundwater

31.   Bioremediation, involving microbial digestion of certain organic chemicals. Techniques used in bioremediation include landfarming, biostimulation and bioaugmentating soil biota with commercially available microflora.

32.   Phytoremediation, or using plants (such as willow) to extract heavy metals.

33.   The green house gas describes]d as leading pollutant is CO_2­

34.   CO₂ currently forms about 410 parts per million (ppm) of earth's atmosphere, compared to about 280 ppm in pre-industrial times

35.   Nitrogen oxides (NO_x) – Nitrogen oxides, particularly nitrogen dioxide, are expelled from high temperature combustion, and are also produced during thunderstormsby electric discharge

36.   SO2 is produced by volcanoes and in various industrial processes. Coal and petroleum often contain sulphur compounds, and their combustion generates sulphur dioxide. 

37.   Particulates, alternatively referred to as particulate matter (PM), atmospheric particulate matter, or fine particles, are tiny particles of solid or liquid suspended in a gas. In contrast, aerosol refers to combined particles and gas

38.   1984 Bhopal Disaster in India is due to air pollution

39.   Lichens are the air pollution indicators of----------pollutant

40.    (Aloe barbadensis) Aloe Vera is a succulent, perennial plant that has the ability to filter benzene and formaldehyde 

41.   Spider Plant (Chlorohytum comosum) benzene, carbon monoxide and xylene.

42.   Gerber Daisies (Gerbera jamesonii)  Gerber Daisies have bright and colourful flowers. Not only do they look beautiful, they are great at absorbing carbon monoxide and benzene. This plant gives off oxygen at night; it is ideal for bedrooms.

43.   Snake Plants (Sansevieria trifasciata ‘Laurentii’)Also known as mother-in-law’s tongue, this plant is one of the best at filtering out formaldehyde. It also helps in eliminating nitrogen dioxide. Even at night, it takes in carbon dioxide and releases oxygen. This makes for a good bedroom plant. It requires minimal sunlight and water and is not very difficult to maintain.

44.   Golden Pothos (Scindapsus aures) This fast-growing vine is great at battling formaldehyde. It grows in any type of light with an exception to sunlight and is very easy to maintain. However, it is toxic if consumed. So, if you have kids running around indoors, this one is not for you.

45.   Chrysanthemum (Chrysantheium morifolium)
The colourful, bright flowers do a lot more than brighten up the place. It is a seasonal flower, and for the six weeks that it does bloom, it is great at combating benzene. It needs a lot of sunlight to bloom; you want to place it at a place where it receives direct sunlight.

46.   Red-edged dracaena (Dracaena marginata)
The red-edged leaves of this plant remove xylene, trichloroethylene and formaldehyde. It is slow-growing and add colour to the environment. However, it is poisonous if consumed by pets.

47.   Bamboo palm (Chamaedorea Sefritzii)
This plant is a natural humidifier which can be beneficial in areas with dry air. It helps eliminate carbon monoxide, xylene, benzene and formaldehyde. They thrive in shady indoor spaces and often produce small flowers and berries.

48.   Weeping fig (Ficus benjamina)
This plant is useful in fighting benzene, formaldehyde and trichloroethylene. It is a little difficult to maintain this one. It needs a lot of attention vis-à-vis water and sunlight.

49.   Warneck dracaena (Dracaena Deremensis ‘Warneckii’)
This plant can reach a height of about 10 feet. It makes for a rather striking houseplant. It helps eliminate VOCs, benzene, formaldehyde and trichloroethylene. It doesn’t need too much light to grow and thrives in room temperature.