CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III): Questions 219 - 224 of 385

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Question number: 219

» Basics of Environmental Geosciences » Water Resources and Environment » Types of Water

Appeared in Year: 2015

MCQ▾

Question

Water entrapped at the time of formation of the sedimentary rocks is called (June)

Choices

Choice (4) Response

a.

Connate water

b.

Meteoric water

c.

Juvenile water

d.

Groundwater

Question number: 220

» Introduction of Environmental Science » Structure and Composition of Atmosphere

Appeared in Year: 2015

MCQ▾

Question

The balance between photosynthesis and photorespiration is related to:

(I) The ratio of O2andCO2 in the atmosphere

(II) Temperature

(III) Kranz anatomy

(IV) The ratio of CO2andH2O

Choose the correct answer: (June)

Choices

Choice (4) Response

a.

(I) and (II) only

b.

(I), (II) and (III) only

c.

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

d.

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

Question number: 221

» Energy Resources » Nuclear Energy - Fission and Fusion

Appeared in Year: 2015

MCQ▾

Question

Fast neutrons produced in nuclear fission reactions involving 235U have average energy of the order of: (June)

Choices

Choice (4) Response

a.

100 MeV

b.

2 MeV

c.

5 MeV

d.

200 MeV

Question number: 222

» Environmental Protection Act » International and National Efforts for Environment Protection

Appeared in Year: 2015

MCQ▾

Question

Project elephant was launched in the year: (June)

Choices

Choice (4) Response

a.

1998

b.

1973

c.

1985

d.

1992

Question number: 223

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

Appeared in Year: 2015

MCQ▾

Question

When DDT enters the human body, it is: (June)

Choices

Choice (4) Response

a.

Processed by enzymes and becomes a different compound which is toxic

b.

Fat soluble and stored in fat tissues

c.

Stored in the bones

d.

Water soluble and easily excreted in urine

Question number: 224

» Energy Resources » Air and Thermal Pollution

Appeared in Year: 2015

MCQ▾

Question

Which of the following is the major source of mercury pollution in India? – (June)

Choices

Choice (4) Response

a.

Pesticides manufacturing

b.

Coal based thermal power plants

c.

Dental amalgam fillings

d.

Electrical and electronic gadgets

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