CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III): Questions 240 - 244 of 376

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Question number: 240

» Environment Impact Assessment » Environmental Impact Statement and Environmental Management Plan

Appeared in Year: 2015

MCQ▾

Question

Environmental Management Plan is associated with: (June)

Choices

Choice (4) Response
a.

LCA

b.

ISO 14000

c.

EIS

d.

Environmental audit

Question number: 241

» Water Chemistry » Concept of DO, BOD, COD

Appeared in Year: 2015

MCQ▾

Question

BOD of the effluents discharged on land for irrigation should not exceed: - (June)

Choices

Choice (4) Response
a.

60mgL

b.

300mgL

c.

100mgL

d.

30mgL

Question number: 242

» Chemical Composition of Air » Chemical Process to Form Inorganic and Organic Particulate Matter

Appeared in Year: 2015

MCQ▾

Question

A non-metal ‘X’ occurs in nature in free state. It combines with hydrogen to form a gas, which is colorless and highly toxic. Apart from this, ‘X’ is oxidized to XO2 which is a colourless, pungent and irritating gas. ‘X’ represents: (June)

Choices

Choice (4) Response
a.

Nitrogen

b.

Sulphur

c.

Carbon

d.

Phosphorus

Question number: 243

» Soil » Physico - Chemical as Bacteriological Sampling as Soil Quality Analysis

Appeared in Year: 2015

MCQ▾

Question

To determine the cation-exchange capacity, it is necessary to calculate the total positive charge associated with ions like: (June)

Choices

Choice (4) Response
a.

Ca2+,Mn2+,Fe3+,Cr3+

b.

K+,BO2+,Pb2+,Hg2+

c.

Mg2+, Fe3+, Ni2+, Cd2+,

d.

Ca2+,Mg2+,K+,Na+

Question number: 244

» Chemical Composition of Air » Particles, Ions and Radicals in the Atmosphere

Appeared in Year: 2015

MCQ▾

Question

Which of the following does not add the carbon dioxide concentration in atmosphere? - (June)

Choices

Choice (4) Response
a.

Photosynthesis

b.

Decay of organic matter

c.

Respiration

d.

Volcanic action

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