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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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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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

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Q:

You are scheduled to leave at 6 pm. Your replacement worker doesn't show up. What would you do?

Answer

If he was unable to make his shift, I would find a replacement, and stay until the replacement came in.

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Subject: Customer Service

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Q:

Data integrity constraints are used to

A) Ensure that duplicate records are not entered into the table	B) Prevent users from changing the values stored in the table
C) Control who is allowed access to the data	D) Improve the quality of data entered for a specific property like table column

Answer & Explanation Answer: D) Improve the quality of data entered for a specific property like table column

Explanation:

Integrity constraints are used to ensure accuracy and consistency of data in a relational database. Data integrity is handled in a relational database through the concept of referential integrity. Many types of integrity constraints play a role in referential integrity (RI).

Hence, Data integrity constraints are used to Improve the quality of data entered for a specific property i.e, table column.

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Q:

The world's Greatest traveller of pre-modern times, believed to have put behind him a distance of over 73000 miles and visited territories the eqivalent of about 44 modern countries, is

A) Marco Polo	B) Fahien
C) Ibn Batuta	D) Hiuen Tsang

Answer & Explanation Answer: A) Marco Polo

Explanation:

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Q:

Which acid is present in tomato?

A) Sulphuric acid	B) HCl
C) Both A & B	D) Citric acid

Answer & Explanation Answer: D) Citric acid

Explanation:

which_acid_is_present_in_tomato1542371895.jpg image

Citric acid is present in tomatoes.

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Q:

Palaeobotany is the branch of botany is which we study about

A) Animal fosills	B) Plant fossils
C) Seed of plant	D) Flower

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