Q:

Which of the following statement is true?

A) A Primary key is also a candidate key	B) Each relation has at least one foreign key
C) Foreign keys can't have null values	D) A Primary key is also an alternate key

Answer & Explanation Answer: A) A Primary key is also a candidate key

Explanation:

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Q:

When a compressed slinky is released it converts potential energy into

A) Heat energy	B) Mechanical energy
C) Chemical energy	D) Kinetic energy

Answer & Explanation Answer: D) Kinetic energy

Explanation:

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Q:

Which of the following layers of the atmosphere makes Radio Communication possible?

A) Troposphere	B) Thermosphere
C) Ionosphere	D) Stratosphere

Answer & Explanation Answer: C) Ionosphere

Explanation:

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Filed Under: General Science

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Q:

___________ is obtained by evaporation of sea.

A) Sugar	B) Iron
C) Salt	D) Steel

Answer & Explanation Answer: C) Salt

Explanation:

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Q:

The name of the space shuttle, which carried the Indian born Kalpana Chawla into space was

A) Columia	B) Challenger
C) Atlantis	D) Endeavour

Answer & Explanation Answer: A) Columia

Explanation:

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Q:

In 1981, ISRO launched India's first geostationary satellite called -

A) Aryabhata	B) APPLE
C) Bhaskara II	D) INSAT 1B

Answer & Explanation Answer: B) APPLE

Explanation:

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Q:

Under Article 352 of the Constitution of India, an emergency can be declared if security of any part of India is threatened by 1.war2.external aggression3.armed rebellion4.internal disturbanceSelect the correct answer using the code given below.

A) 1, 2 and 3	B) 2, 3 and 4
C) 1 and 2 only	D) 1 and 2 only

Answer & Explanation Answer: A) 1, 2 and 3

Explanation:

The 44th Constitutional Amendment Act, replaced the phrase ‘internal disturbance’ with the ‘armed rebellion’ to avoid its misuse by the government in power.

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Filed Under: Indian Politics
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Q:

According to the Indian Constitution, the Union ______ body is called the Parliament.

A) Judicial	B) Executive
C) Legislative	D) both Judicial and legislative

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