Questions

Q:

The cotton gin was an important invention because

Answer

Cotton Gin was invented by Eli Whitney in 1793, which is used to separate cotton seeds from cotton fiber.


 


Hence, it was an important invention because it dramatically reduced the amount of time it took to separate cotton seeds from cotton fiber.

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Subject: Inventions Exam Prep: AIEEE , Bank Exams
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Q:

When is International Day of Non-Violence,recognized by the UN,observed on M.K.Gandhi's birthday is observed

A) December 11 B) November 29
C) October 2 D) Second wednesday of october
 
Answer & Explanation Answer: C) October 2

Explanation:
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Q:

Which statement regarding the era of Reconstruction is FALSE?

A) the 14th Amendment made African-Americans citizens of the U.S. B) the 13th Amendment outlawed slavery in all American states
C) federal law was changed to abolish slavery in states where it still existed D) state laws and customs upheld the constitutional amendments
 
Answer & Explanation Answer: D) state laws and customs upheld the constitutional amendments

Explanation:
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Q:

To resolve an object in an electron microscope,

A) the wavelength of the electrons must be close to the diameter of the object B) the wavelength of the electrons must be greater than the diameter of the object.
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) the wavelength of the electrons must be close to the diameter of the object

Explanation:
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Filed Under: Physics
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Q:

Which of the following is the lightest computer?

A) Desktop B) Tablet
C) Laptop D) Ultrabook
 
Answer & Explanation Answer: B) Tablet

Explanation:

The lightest computer is the tablet.

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Q:

cognitive psychology focuses on the study of

Answer

Cognitive psychology is the branch of psychology that studies study internal processes that include perception, attention, language, memory, and thinking.


Cognitive_psycology1532432926.jpg image


Cognitive psychology focuses on the way people process information.

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Subject: General Awareness Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

In which place India's first HIV case reported in 1986?

A) Bangalore B) Delhi
C) Hyderabad D) Chennai
 
Answer & Explanation Answer: D) Chennai

Explanation:

In Chennai, Tamil Nadu place India's first HIV case reported in 1986 amongst the female sex workers.

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Q:

The single most important invention to farmers is the

A) Tractor B) Automobile
C) Grain solo D) Cotton gin
 
Answer & Explanation Answer: A) Tractor

Explanation:

Tractor was the single most important invention to farmers.

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