Environmental Issues Test

Directions For Questions

Read the given passage carefully and answer the question that follows.

There is a fairly universal sentiment that the use of nuclear weapons is clearly contrary to morality and that its production probably so, does not go far enough. These activities are not only opposed to morality but also to the law if the legal objection can be added to the moral, the argument against the use and the manufacture of these weapons will considerably be reinforced. Now the time is ripe to evaluate the responsibility of scientists who knowingly use their expertise for the construction of such weapons, which has a deleterious effect on mankind.
To this must be added the fact that more than 50 percent of the skilled scientific manpower in the world is now engaged in the armaments industry. How appropriate it is that all this valuable skill should be devoted to the manufacture of weapons of death in a world of poverty is a question that must touch the scientific conscience.
A meeting of biologists on the Long-Term Worldwide Biological consequences of nuclear were added frightening dimension to those forecasts. Its report suggested that the ling biological effects resulting from climatic changes may at least be as serious as the immediate ones. Sub-freezing temperatures, low light levels, and high doses of ionizing and ultraviolet radiation extending for many months after a large-scale nuclear war could destroy the biological support system of civilization, at least in the Northern Hemisphere. Productivity in natural and agricultural ecosystems could be severely restricted for a year or more. Postwar survivors would face starvation as well as freezing conditions in the dark and be exposed to near-lethal doses of radiation. If, as now seems possible, the Southern Hemisphere were affected also, global disruption of the biosphere could ensue. In any event, there would be severe consequences, even in the areas not affected directly, because of the interdependence of the world economy.

In either case the extinction of a large fraction of the earth's animals, plants and microorganism seem possible. The population size of Homo sapiens conceivably could be reduced to prehistoric levels or below, and extinction of the human species itself cannot be excluded.

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Environmental I...

Question 1

Use of plants for removing pollutants from the environment

Use of plants as remedies to cure diseases

Use of plants for restoration of degraded forests

Use of plants in the retention of soil water

Question 2

Apply mycorrhiza

Apply fertilizer

Add bacterial culture

Use green algae

Question 3

amount of chlorine dissolved in water

amount of ozone dissolved in water

amount of nitrogen dissolved in water

amount of oxygen dissolved in water

Question 4

DO and BOD

BOD and turbidity

Do and acidity

BOD and alkalinity

Question 5

Ganga is more polluted than Kaveri

Both the rivers are equally polluted

Kaveri is more polluted than Ganga

Kaveri has more minerals than Ganga

Question 6

Organic farming

Shifting agriculture

Urban expansion

Cultivation of genetically engineered plants

Question 7

Does not stand the test of legality

Possesses legal strength although it does not have moral standing

Is acceptable only on moral grounds

Becomes stronger if legal and moral considerations are combined

Question 8

Global warming

Eutrophication

Acid rain

Respiratory problems

Question 9

Brain damage

Breathlessness

Itching eyes

Respiratory ailments

Question 10

methane

carbon monoxide

carbon dioxide

hydrogen

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Question Analysis

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