Q:

Which of these is not a simple machine?

A) a pair of scissors	B) a lever
C) a ramp	D) the pulley

Answer & Explanation Answer: A) a pair of scissors

Explanation:

Any of the basic mechanical devices for applying a force are called simple machines.

There are 6 basic simple machines; the lever, the wheel and axle, the inclined plane, the wedge, the pulley, and the screw. Several of these simple machines are related to each other. But, each has a specific purpose in the world of doing work.

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Filed Under: Physics
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16 5385

Q:

Persons with which blood group are called universal donors?

A) AB	B) A
C) O	D) B

Answer & Explanation Answer: C) O

Explanation:

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Filed Under: General Science

12 5384

Q:

Lamarck's theory of inheritance of acquired characters was challenged by

A) August Weismann	B) Hugo de Vries
C) Herbert Spencer	D) Carl Linnaeus

Answer & Explanation Answer: C) Herbert Spencer

Explanation:

August Weismann cut off the tails of mice for 21 successive generations and still they produced generation after generation of only tailed young ones. So he concluded that acquired characters are not inherited.

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Filed Under: Biology

7 5384

Q:

Who is the newly elected president of Belarus?

A) Ranjith Nagpal	B) Alexander Lukashenka
C) APJ Abdhul kalam	D) Herculus ivan

Answer & Explanation Answer: B) Alexander Lukashenka

Explanation:

Alexander Lukashenka is the newly elected president of Belarus

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Filed Under: General Awareness

17 5381

Q:

A collection of interrelated records is called a

A) Datasheet	B) Spreadsheet
C) Database	D) Utility File

Answer & Explanation Answer: C) Database

Explanation:

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Filed Under: Database
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5 5375

Q:

The Pitt's India Act empowered the Governor - General with

A) Power of vote	B) A casting vote
C) The power to dismiss the council	D) The power to add more members to the council

Answer & Explanation Answer: B) A casting vote

Explanation:

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Filed Under: Indian History

7 5374

Q:

Ozonolysis of an organic compound gives formaldehyde as one of the products. This confirms the presence of :

A) An acetylenic triple bond	B) Two ethylenic double bonds
C) A vinyl group	D) An isopropyl group

Answer & Explanation Answer: C) A vinyl group

Explanation:

$C =} C H_{2} \overset{O z o n o l y s i s}{\to} H C H O$

Vinylic group.

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Filed Under: Chemistry
Exam Prep: AIEEE

3 5373

Q:

Who present the theory of radioactive disintegration

A) Rutherford and Soddy	B) Soddy and Fajan
C) Thomson and Rutherford	D) Hahn and strassman

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