CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III): Questions 296 - 301 of 376

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Question number: 296

» Fundamentals of Environmental Chemistry » Solubility Products, Solubilty of Gases in Water

Appeared in Year: 2011

MCQ▾

Question

Solubility (S) of a sparingly soluble salt of the type AB is related to the solubility product (KSP) by the relation – (December)

Choices

Choice (4) Response
a.

S=KSP

b.

S=KSP

c.

S=KSP2

d.

S=2KSP

Question number: 297

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

Appeared in Year: 2013

MCQ▾

Question

Which of the following is not a reactive oxygen species? (December)

Choices

Choice (4) Response
a.

Hydroxyl ion

b.

Singlet oxygen

c.

Hydrogen peroxide

d.

Superoxide anion

Question number: 298

» Water Chemistry » Chemistry of Water

Appeared in Year: 2009

MCQ▾

Question

Maximum density of water is at – (December)

Choices

Choice (4) Response
a.

100°C

b.

4°C

c.

0°C

d.

4°C

Question number: 299

» Environmental Protection Act » Environment ( Protection ) Act, 1986 and Rules 1986

Appeared in Year: 2011

MCQ▾

Question

Identify the correct sequence of stages of obtaining Environmental clearance for new projects – (December)

Choices

Choice (4) Response
a.

Appraisal, Screening, Scoping, Public Consultation

b.

Screening, Scoping, Public Consultation, Appraisal

c.

Screening, Appraisal, Scoping, Public Consultation

d.

Screening, Public Consultation, Scoping, Appraisal

Question number: 300

» Statistical Analysis » Arithmetic, Geometric and Harmonic Means

Appeared in Year: 2009

MCQ▾

Question

The ‘mean’ that stands for relative importance of different items in a data set is (December)

Choices

Choice (4) Response
a.

Arithmetic mean

b.

Weighted mean

c.

Geometric mean

d.

Harmonic mean

Question number: 301

» Endangered and Threatened Species » Environmental Biotechnology » Biofertilizer Technology

Appeared in Year: 2009

MCQ▾

Question

Which one of the following is not a biofertiliser? – (December)

Choices

Choice (4) Response
a.

Vermicompost

b.

Aquatic ferns

c.

Blue-green algae

d.

Phosphate-Solubilizing micro-organisms

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