CBSE-NET (Based on NTA-UGC) Environmental Science (Paper-II): Questions 367 - 372 of 385

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Question number: 367

» Introduction of Environmental Science » Physico-Chemical and Biological Factors in Environment

Appeared in Year: 2009

MCQ▾

Question

A cyclist starting from stand still accelerates at 0.4 for 10 seconds.

(a) What velocity does it reach and

(b) the distance it covers: (June)

Choices

Choice (4) Response

a.

(a) (b)

b.

(a) (b)

c.

(a) (b)

d.

(a) (b)

Question number: 368

» Statistical Analysis » Measurement and Distribution of Attributes

Appeared in Year: 2009

MCQ▾

Question

The derivatives of ‘f’ at where

Choices

Choice (4) Response

a.

0

b.

2

c.

1

d.

3

Question number: 369

» Soil » Fungicides and Weedicides

Appeared in Year: 2009

MCQ▾

Question

Which of the following can be used for biological destruction of undesired fungal mass? (June)

Choices

Choice (4) Response

a.

Bacteriophages

b.

Mycophages

c.

HIV

d.

TMV

Question number: 370

» Introduction of Environmental Science » Laws of Thermodynamics

Appeared in Year: 2009

MCQ▾

Question

The law of conservation of energy is described by:

Choices

Choice (4) Response

a.

Third law of thermodynamics

b.

First law of thermodynamics

c.

Second law of thermodynamics

d.

Zeroth law of thermodynamics

Question number: 371

» Air » Sources of Pollution

Appeared in Year: 2009

MCQ▾

Question

Electromagnetic pollution is caused by: (June)

Choices

Choice (4) Response

a.

Mobile phones

b.

Vehicular traffic

c.

Aircraft noise

d.

Lightning and thunderstorms

Question number: 372

» Introduction of Environmental Science » Physico-Chemical and Biological Factors in Environment

Appeared in Year: 2009

MCQ▾

Question

As per temperature of an n-type semiconductor increases, the number of hole: (June)

Choices

Choice (4) Response

a.

Does not change but the number of electrons increases

b.

Decreases but the number of electrons increases

c.

Increases but the number of electrons does not change

d.

Increases but the number the electrons decreases

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