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:

What is meant by a dedicated computer?

A) Which is assigned one and only one task	B) Which is meant for application software
C) Which is used by one person only	D) Which uses one kind of software

Answer & Explanation Answer: A) Which is assigned one and only one task

Explanation:

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Q:

‘Altitude sickness’ is caused at high altitude due to

A) high partial pressure of oxygen	B) low partial pressure of oxygen
C) low level of haemoglobin	D) high partial pressure of carbon dioxide

Answer & Explanation Answer: B) low partial pressure of oxygen

Explanation:

Altitude sickness, the mildest form being acute mountain sickness (AMS), is the negative health effect of high altitude, caused by rapid exposure to low amounts of oxygen at high elevation.

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Filed Under: General Science
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Q:

Why does ice covered in sawdust not melt quickly?

A) Sawdust does not allow the air to touch the ice	B) The water is absorbed by sawdust
C) Sawdust is a bad conductor of heat	D) Sawdust is good conductor of heat

Answer & Explanation Answer: C) Sawdust is a bad conductor of heat

Explanation:

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Q:

What is the name of first solar mission of Indian Space Research Organisation set to be launch in 2019?

A) Halo–L1	B) Aditya–L1
C) Corona–L1	D) Ravi – L1

Answer & Explanation Answer: B) Aditya–L1

Explanation:

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Q:

Which of the following statements regarding Article 21 of the Constitution of India is/are correct?

1.Article 21 is violated when the under-trial prisoners are detained under judicial custody for an indefinite period.

2.Right to life is one of the basic human rights and not even the State has the authority to violate that right.

3.Under Article 21, the right of a woman to make reproductive choices is not a dimension of personal liberty.

Select the correct answer using the code given below.

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

Answer & Explanation Answer: B) 1 and 2 only

Explanation:

All are correct except 3, as women always have the right to make reproductive choices.

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Q:

Who appoints the chairman of all the parliamentary committees of Lok Sabha?

A) President of India	B) Prime Minister of India
C) Speaker of Lok Sabha of India	D) Home Minister of India

Answer & Explanation Answer: C) Speaker of Lok Sabha of India

Explanation:

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Q:

Where did Muhammad Bin Tughlaq shift his capital to from Delhi?

A) Daulatabad	B) Aurangabad
C) Allahabad	D) Shaharanpur

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