Related Questions

The ozone layer is being destroyed by chlorofluorocarbons. In this regard which do you consider as the most harmful?
A Carbon atom
B Chlorine atom
C Fluorine atom
D The entire compound
Which component in tobacco makes it harmful for human consumption?
A Morphine
B Nicotine
C Heroin
D None of these
In the decade there has been significant decrease in coffee consumption.During this same time, there has been increasing publicity about the caffeine in coffee's adverse long term effects on health. Therefore, the decrease in coffee consumption must have been caused by consumer's awareness of the harmful caffeine. Which of the following, if true,most seriously calls into question the explanation above ?
A On average,people consume 30% less coffee today than they did 10 years ago
B Sales of specialty types of coffee have held steady as sales of regular brands have declined
C The consumption of fruit juice and caffeine-free herbal tea has increased over the decade
D Coffee prices increased steadily in the past decade because of unusually severs frosts in coffee-growing nation's.
Which type of reaction produces the most harmful radiation ?
A Fusion reaction
B Fission reaction
C Chemical reaction
D Photo-Chemical reaction
The modern desire for wealth is not inherent in human nature, and varies with social values. If, by law, we all had exactly the same income, we should have to find some other way of being superior to our peers, as most of our craving for material possessions would cease. Thus a general increase of wealth gives no competitive advantage to an individual and therefore brings him no competitive happiness. [Identify the most logical conclusion.]
A A general inrease of wealth results in increased happiness
B The modern desire for wealth derives from the desire to achieve competitive happiness
C There is no competitive advantage to an individual in getting a general increase of wealth
D A general increase of wealth brings competitive happiness
Which of the following harmful rays comes out from colour TV?
A Gama ray
B Beta ray
C Cosmic ray
D Alpha ray
Which of the following is harmful for a computer?
A Excessive temperature
B Dust
C Water
D Virus
Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth?
A Lime stone and alumina
B Silica and alkalies
C Alumina and iron
D Alkalies and magnesium
Anything 'Pernicious' tends to injure or destroy. Something which has no such harmful effect is-
A innocuous
B innocent
C immaculate
D salutary
Anything 'pernicious' tends to injure or destroy something which has no such harmful effect is-
A innocuous
B innocent
C salutary
D immaculate

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