CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III): Questions 235 - 239 of 376

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Question number: 235

» Ecosystems » Population

Appeared in Year: 2015

MCQ▾

Question

A good sample design should result in: - (June)

Choices

Choice (4) Response

a.

Unsystemic bias

b.

Highly varied sampling error

c.

A truely representative sample

d.

Low level of confidence

Question number: 236

» Energy Resources » Tidal Energy

Appeared in Year: 2015

MCQ▾

Question

The power (P) from an ocean wave varies with time period (T) of the wave as: (June)

Choices

Choice (4) Response

a.

PT2

b.

P1T2

c.

PT

d.

P1T

Question number: 237

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

Appeared in Year: 2015

MCQ▾

Question

Burning of 1 mol of CH4 liberates 890 kJ of energy and 1 mol of CO2 . Since 1 mol of CO2 has 12 g of carbon, the higher heating value (HHV) of methane is: (June)

Choices

Choice (4) Response

a.

10.0gCMJ

b.

12.0gCMJ

c.

13.5gCMJ

d.

18.5gCMJ

Question number: 238

» Environmental Awareness » Rainwater Harvesting

Appeared in Year: 2015

MCQ▾

Question

In rainwater harvesting, the purpose of percolation tank is: (June)

Choices

Choice (4) Response

a.

surface water supply and groundwater recharge

b.

Drinking water supply

c.

Surface water supply for irrigation

d.

Recharge groundwater only

Question number: 239

» Basics of Environmental Geosciences » Remote Sensing » Application of Remote Sensing

Appeared in Year: 2015

MCQ▾

Question

Which among the following are the best tools/techniques to study landscape fragmentation?

(I) Remote sensing (II) Geodesy

(III) Cartography (IV) Geographical Information System

Choose the correct answer (June)

Choices

Choice (4) Response

a.

(I), (III) and (IV) only

b.

(II), (III) and (IV) only

c.

(I), (II), (III) and (IV)

d.

(I) and (II) only

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