Q:

Roentgen discovered

A) Electrocardiograph	B) X–rays
C) Anti polio vaccine	D) Encephalograph

Answer & Explanation Answer: B) X–rays

Explanation:

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Filed Under: Inventions

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Q:

Since foundation of nobel prize awards has been added to the original five disciplines which were considered for award of Nobel Prize

A) Medicine	B) Peace
C) Literature	D) Economics

Answer & Explanation Answer: D) Economics

Explanation:

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Filed Under: Honours and Awards

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Q:

Which country is going to launch the world's first nuclear power plant (Sanmen Nuclear Power Station) that is immune to meltdown ?

A) India	B) USA
C) China	D) Russia

Answer & Explanation Answer: C) China

Explanation:

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

5 3336

Q:

Which phase change is an example of an exothermic process?

A) Liquid to Solid	B) Gas to Solid
C) Gas to Liquid	D) All the above

Answer & Explanation Answer: D) All the above

Explanation:

Processes that require or give off heat will be limited to changes of state, known as phase changes, and changes in chemical constitution, or chemical reactions. Changes of state involve a solid melting, a liquid freezing, a liquid boiling or a gas condensing.

An exothermic process is one that gives off heat, which is transferred to the surroundings. An endothermic process is a reaction which heat has to be supplied to the system from the surroundings.

Here in all the given options, heat is taken away from them to change there phase.

Liquid to Solid --- Freezing

Gas to Liquid --- Condensation

Gas to Solid --- Deposition

are all examples of exothermic processes.

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Filed Under: Physics
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Q:

The closest algal relatives of land plants are

A) charophytes	B) chrysophytes
C) rhodophytes	D) bacillariophytes

Answer & Explanation Answer: A) charophytes

Explanation:

The charophytes are the extant group of green algae that are most closely related to modern land plants.

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Filed Under: General Science
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Q:

Who did the historian K M Pannikar call "India's new Manu, the spirit of modern law incarnate"?

Answer

Thomas Babington Macaulay

Workspace

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Subject: World History

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Q:

If price of an article decreases from P1 to Rs 25, quantity demanded increases from 900 units to 1200 units. If point elasticity of demand is 2 find P1?

A) Rs. 20	B) Rs. 30
C) Rs. 25	D) Rs. 35

Answer & Explanation Answer: B) Rs. 30

Explanation:

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Filed Under: Physics

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Q:

Under which one of the following Articles of the Constitution of India, is the 'Annual Financial Statement' of the economy to be laid by the Government, on the table of the Parliament before 31st March, every year?

A) Article 16	B) Article 31
C) Article 112	D) Article 124

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