Environmental issues practice · Mixed difficulty

Three Mile Island in Dauphin county, Pennsylvania, USA is known for

It is estimated that out of the total global warming, the relative contribution of $\mathrm{C}{\mathrm{O}_2}$,$\mathrm{C}{\mathrm{H}_4}$,CFCs and ${\mathrm{N}_2}\mathrm{O}$ are found respectively as

Solid waste can be

Which of the following is non-biodegradable?

Consider the following statements about pollution
I. Pollution is an undesirable change in physical, chemical or biological characteristics of air, land, water or soil
II. The air act was amendid in 1987 to include noise as air pollutant
III. In order to control environmental pollution, the Government of India has passed the environment Protection Act, 1976 to protect and improve the quality of our environment
Which of the statements given above are correct?

Assertion :$\alpha ,\beta$ and $\gamma$ rays are emitted by
disintegration of atomic nuclei of radioactive
elements.

Reason : Nuclear fall out is shown by radioactive
elements.

Good ozone is formed in

The major goal of the green revolution was to

Which one of the following is a major pollutant of automobile gases?

The cause of decline in the population of reptiles and birds is

Which one of the following plants is used in
paint and varnish industry?

Eutrophication is excessive growth of algae, plants and animals in water-bodies due to nutrient enrichment particularly with

Which of the following are the example of industrial solid wastes?

Read the following statements carefully and select the correct ones
I. UV rays essential for the production as well as degradation of ozone gas
II. Ozone present in ionosphere acts as a shield absorbing UV radiation coming from the sun
III. One fourth of the incoming solar radiation is reflected by the atmospheric gases and clouds and only half of the incoming solar radiation falls on the earth’s surface, heating it. Of this only a small portion is reflected back

The ultraviolet radiations in the stratosphere are absorbed by

Which one of the following is a wrong statement?

Cutting of trees in a forest is called

Peroxy Acetyl Nitrate, a class of hazardous air pollutants, stems from
I. ${\mathrm{O}_2}$ II. $\mathrm{S}{\mathrm{O}_\mathrm{x}}$ III. $N{O_X}$ IV. HC

Which of the following are the main harmful effects of deforestation? I. Increase in carbon dioxide concentration in atmosphere II. Loss of biodiversity due to habitat destruction III. Disturbance in hydrologic cycle IV. Desertification Which of the statements given above are correct?

In scrubber, the exhaust is passed through a

The Montreal protocol refers to

Assertion: Deforestation sequesters $CO_2$ from atmosphere.

Reason: Global warming is beneficial for plants and human health.

The atmosphere around earth is warmed because

The following plants are associated with human
health care and Bio- diesel production respectively.

Given below are two statements
Statement I: Slash and burn agriculture commonly called as jhum cultivation in north - eastern states of India.
Statement II: Reforestation is the process of restoring a forest that once existed but was removed at some point of time in the past.
Choose the correct answer from the option given below:

Ozone saves the biosphere by absorbing the high energy radiation called

Which one of following is not an air pollutant?

What device is fitted to automobiles for reducing the emission of poisonous gases like $\mathrm{N}{\mathrm{O}_2}$and CO?

High level radioactive waste can be managed in which of the following ways?

Catalytic converter in vehicle is used for controlling