Questions

Q:

The right to vote in India is in an article of

A) 370 B) 368
C) 356 D) 326
 
Answer & Explanation Answer: D) 326

Explanation:

In India, the right to vote is provided by the Constitution and the Representation of People's Act, 1951, subject to certain disqualifications. Article 326 of the Constitution guarantees the right to vote to every citizen above the age of 18.

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Q:

The Waterfall with the greatest meterage in the fall is 

A) The Jog Falls, India B) The Victoria Falls, Africa
C) The Niagara Falls, N America D) The Salto Angel Falls, S America
 
Answer & Explanation Answer: D) The Salto Angel Falls, S America

Explanation:

The greatest single drop of the waterfall, Salto Angel of Venezuela, measures 807m and the width at the base is about 150 m. From top to bottom the Angel falls measures 979 m - almost 1 km.

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Q:

What is Primary Key in DBMS?

Answer

A primary key is a special relational database table column or combination of columns designated to uniquely identify all table records. That is, A primary key is a column or set of columns in a table that uniquely identifies tuples (rows) in that table.


A primary key, also called a Primary Keyword.



Main Features Primary key are ::


It must contain a unique value for each row of data.


It cannot contain null values.

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Q:

Explain Given the following SQL statement: GRANT REFERENCES ON TABLE tab1 TO USER usera.Which of the following describes what USERA is allowed to do?

A) Create a read?only view using TAB1. B) Alter TAB1 to add a check constraint.
C) Define a primary key or unique constraint on TAB1. D) Define a dependent table where TAB1 is the parent.
 
Answer & Explanation Answer: D) Define a dependent table where TAB1 is the parent.

Explanation:
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Q:

From where do most producers get energy?

A) plants B) sun
C) water D) All of the above
 
Answer & Explanation Answer: B) sun

Explanation:

Most producers use sun light for making their energy in the process of photosynthesis. The energy they prepared is sugar and glucose. 

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Q:

A sheet or web supported by a metal frame is

A) Trampoline B) Gasoline
C) Colin D) None of the above
 
Answer & Explanation Answer: A) Trampoline

Explanation:

A trampoline is a sheet or web supported by springs in a metal frame and is used as spring board.

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Q:

Which of these established the rights of citizens?

A) Magna Carta B) The Bill of Rights
C) The Habeas Corpus Act D) None of the above
 
Answer & Explanation Answer: B) The Bill of Rights

Explanation:

The Bill of Rights established the rights of citizens. It is also called as Declaration of rights or Charter of rights. It is a list of most important rights to the citizens of a country.

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Q:

A gradual increase in loudness is known as

A) Crescendo B) Timbre
C) Fortissimo D) None of the above
 
Answer & Explanation Answer: A) Crescendo

Explanation:
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