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
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0 4741

Q:

'Unfriend' is an expression associated with facebook . Who first used the expression 'unperson'?

Answer

George Orwell in 1984

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Subject: General Awareness

38 4741

Q:

The world's highest rail bridge being constructed in the state of J & K will be on which of the following rivers ?

A) Jhelum	B) Chenab
C) Indus	D) Ravi

Answer & Explanation Answer: B) Chenab

Explanation:

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Filed Under: Indian Geography

17 4735

Q:

The substances that are composed of to or more different elements in fixed proportion by mass are called

A) mixture	B) compound
C) element	D) None of these

Answer & Explanation Answer: B) compound

Explanation:

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Filed Under: Chemistry

5 4733

Q:

Verification of a login name and password is known as

A) Trouble shooting	B) Logging in
C) Configuration	D) Authentication

Answer & Explanation Answer: D) Authentication

Explanation:

Verification of a login name and password is known as Authentication.

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Filed Under: Computer
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9 4731

Q:

Improve the bracketed part of the sentence.

You can play video games and paint or (draw) from anywhere.

A) be drawing	B) can draw
C) could draw	D) no improvement

Answer & Explanation Answer: D) no improvement

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 4727

Q:

Which is the folk dance of Andhra Pradesh?

A) Kolattam	B) Karakattam
C) Lavani	D) Saturi

Answer & Explanation Answer: A) Kolattam

Explanation:

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Filed Under: Indian Culture

62 4726

Q:

India became a member of the United Nations in

A) 1945	B) 1947
C) 1949	D) 1950

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