Q:

Which of the following is true of a scientific theory?

A) It is only accepted after the person who came up with it has died.	B) It is a method or device that applies scientific knowledge for some specific purpose.
C) It generates testable hypotheses, is supported by a large body of evidence, and is broad in scope.	D) It must demonstrate the effect of one variable by testing control groups and experimental groups.

Answer & Explanation Answer: C) It generates testable hypotheses, is supported by a large body of evidence, and is broad in scope.

Explanation:

A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world. Scientific theories are not ever proved in the sense of being proved to be 100% correct.

Examples of some scientific theories are ::

Evolution, gravity, atomic theory, the germ theory of disease, relativity, quantum theory, electromagnetic theory, layered Earth theory, etc...

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

0 6274

Q:

What is Demat Account? what is the use of it?

Answer

Demat means Dematerialisation of share, in simple it is an account with which a person can trade in security market without which a person cannot buy or sell any share in security market.

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Subject: Finance

10 6265

Q:

The brand name of 16 digit Unique identification number to be assigned to each individual in the country will be

A) Pehchan	B) Maadhyam
C) Aadhar	D) Aabhar

Answer & Explanation Answer: C) Aadhar

Explanation:

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Filed Under: Indian Politics

8 6264

Q:

The percentage of nitrogen in the air is about

A) 74%	B) 76%
C) 78%	D) 80%

Answer & Explanation Answer: C) 78%

Explanation:

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Filed Under: Chemistry
Exam Prep: Bank Exams

15 6259

Q:

From the following languages listed in the Eighth schedule of the constitution pick out of the one which is official language of a state

A) Kashmiri	B) Urdu
C) Sindhi	D) Nepali

Answer & Explanation Answer: B) Urdu

Explanation:

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Filed Under: Indian Politics

5 6257

Q:

The PS command prints the process status for only some of the running processes.

A) TRUE

B) FALSE

Answer & Explanation Answer: B) FALSE

Explanation:

The PS command prints the process status for some or all of the running processes

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Subject: Operating Systems
Exam Prep: GATE

1 6256

Q:

What has 3 feet but cannot walk?

Answer

We know that 1 yard = 3 feet.

A yardstick which is used for measurement has 3 feet long but it cannot walk.

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Subject: Logic Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

7 6252

Q:

Air ___________________ are the substances which contaminate the air.

A) Reactants	B) Irritants
C) Resistants	D) Pollutants

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