Environmental issues practice · Mixed difficulty

Eutrophication results in reduction of

Given below a set of health problems
I. lack of sleep
II. high blood pressure
III. stress
IV. complete or partial hearing
V. anxiety
Which of the health problems given above are caused by noise pollution?

Which one of the following statement is wrong in case Bhopal gas tragedy?

According to Kyoto protocol, the major nations abide to reduce concentration of green –house gases by

Consider the following statements
I. Soil without a vegetation cover is eroded by both wind and water
II. Excessive irrigation results in water logging of soil
III. Increased salt concentration damages agriculture
Which of the statements given above are correct?

Which one of the following statement is true?

DDT causes egg shell thinning in birds because it inhibits

Which of the following process is a cyclic, zero-waste procedure where waste products from one process are cycled in as nutrients for other processes, allowing maximum utilisation of resources and increasing the efficiency of production?

Which of the following is not shortwave radiation?

Which of the following is crucial to disposal of hospital waste?

Which of the following is dissolved in water to make Bordeaux mixture?

Which are sensitive to $\mathrm{S}{\mathrm{O}_2}$ pollution?

Delhi is one of the most polluted cities of the world. Which of the following steps were taken by the government to reduce vehicular pollution in Delhi
I. Phasing out of old vehicles
II. Use of unleaded petrol
III. Use of low sulphur petrol and diesel
IV. Use of catalytic converters in vehicles
V. Applying stringent pollution level norms for vehicles
VI. Switch over of public transport from diesel/petrol to CNG
Which of the statements given above are correct?

David is a hardworking environmentalist who has to travel 10 kilometres to his office daily. He drives to and from his destination in a sedan which releases a substantial amount of vehicular exhaust into the atmosphere. This concerns David due to the growing pollution in the city. Which of the following measures can he take to reduce the emission of pollutants from his car?

Euro II norms stipulate that sulphur be controller at ______ ppm in diesel and ________ ppm in petrol.

Assertion: Contribution of $C{O_2},C{H_4},CFCs$ and
N2O towards green house effect is respectively
60%, 6%, 14% and 20%.

Reason: Green house gases are radioactively
active gases and which prevent the short
wavelength radiations emitted by earth to escape
into space.

Which one among the following is likely to have the highest level of DDT deposition in its body?

Which one of the following combinations is incorrect?

Assertion : Water pollution is caused by 2, 4-D
and pesticides.

Reason : 2, 4-D acts as a strong weedicide in
high concentrations.

A: Ozone is a catalyst depleting CFC.

R: Good ozone is troposphere protects the living organisms from harmful effects of U.V radiations.

Green house effect is the cumulative result of the influences of certain gases. Identify the gas, which is not involved in this influence?

Which of the following are the causes for deforestation?
I. Human settlements
II. Forest fires
III. Hydroelectric projects
IV. Overgrazing by livestock
V. Demand of wood
Which of the statements given above are correct?

Consider the following statements I. Reforestation is the process of restoring a forest that once existed but was removed at some point of time in the past II. Reforestation may occur naturally in a deforested area III. A tree plantation movement or Van Mahotsava is being carried out in India since 1982 Which of the statements given above are correct?

Consider the following statements regarding deforestation I. It is removal, decrease or deterioration of forest cover of an area II. It leads to soil erosion III. Deforestation often causes flash floods IV. Deforested area can be used variously as cropland, industrial area, residential area, fallow land, etc. Which of the statements given above are correct?

Green muffler scheme has launched to reduce

The main cause of pollution is metrocities is

Reforestation is useful for

Montreal protocol aims at

Eutrophicated lake has BOD

A lake affected by high levels of artificial eutrophication will have