With which of the following, the Agenda 21’ of Rio Summit, 1992 is related to?

(a)

Sustainable development

(b)

Combating the consequences of population

(c)

Mitigation norms of Green House Gases (GHGs) emission

(d)

Technology transfer mechanism to developing countries for ‘clean-energy’ production

The Ozone Day is observed every year on September 16 as on this day in 1987 the ___________was signed for launching efforts to arrest the depletion of the fragile ozone layer in the stratosphere that prevents the harmful ultra-violet rays of the sun from reaching the earth. Fill the correct word in blank.

(a)

Montreal Protocol

(b)

Geneva Protocol

(c)

Kyoto Protocol

(d)

Nagoya Protocol

Oil spills can lead to ________________

(a)

increase of BOD

(b)

decrease of BOD

(c)

No change in BOD

(d)

None of the above

PCB is a major component of ______________

(a)

e-waste

(b)

Agro waste

(c)

sewage

(d)

Plastics

DB is a standard abbreviation  used for the quantitative expression of

(a)

The density of bacteria in a medium

(b)

A particular pollutant

(c)

The dominant bacillus in a culture

(d)

A certain pesticide

According to noise pollution rules 2000, the permissible level of noise in commercial area is ________ during day and ________during night

(a)

55 db, 65 db

(b)

65 db, 55 db

(c)

70 db, 60 db

(d)

75 db, 65 db

The molecular formula for ozone is______

(a)

O₂

(b)

O₄

(c)

O₃

(d)

O₇

Eutrophication is a result of__________

(a)

Agricultural and sewage waste

(b)

Vehicle emission

(c)

Pesticides

(d)

Industrial effluent

Stratosphere is mainly depleted by_________

(a)

Excess CO

(b)

CFC's

(c)

Ozone

(d)

Excess CO₂

The most abundant green house gas is_________.

(a)

Carbon-dioxide

(b)

Methane

(c)

Sulphur-dioxide

(d)

Nitrous oxide