Questions

Q:

Who Invented Elevator Safety Brake ?

A) Alfred Bernhard Nobel B) Elisha Graves Otis
C) Percy LeBaron Spencer D) Garrett Augustus Morgan
 
Answer & Explanation Answer: B) Elisha Graves Otis

Explanation:
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Filed Under: Inventions

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Q:

The rate of heartbeat is accelerated by the harmone

A) adrenaline B) acetylcholine
C) thyroxine D) pituitrin
 
Answer & Explanation Answer: A) adrenaline

Explanation:

The hormone adrenaline also called epinephrine is known as a stress harmone. In emotional upset (like fear, anger etc.) this harmone is poured into the blood and it accelerates heart beat. The hormone acetylcholine decelerates heartbeat rate.

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Filed Under: Biology

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Q:

The shorter i am, the bigger i am.

What am I?

Answer

A Temper.

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Q:

Japan invaded Manchuria in 1931 because

 

A) Japan wanted to take back lands that belonged to it B) Manchuria had refused to make peace with Japan
C) Manchuria had invaded Japan during World War I D) Japan wanted raw materials and natural resources
 
Answer & Explanation Answer: D) Japan wanted raw materials and natural resources

Explanation:
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Filed Under: World History
Exam Prep: Bank Exams

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Q:

Under Sher Shah the largest administrative unit was administrated by a chief namely 

A) Shikadar B) Mansabdar
C) Kasi D) Faujdar
 
Answer & Explanation Answer: A) Shikadar

Explanation:
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Filed Under: Indian History

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Q:

Number of moles of CO2 present in 24 grams of carbon is

A) 0.5 B) 1
C) 2 D) 0.25
 
Answer & Explanation Answer: C) 2

Explanation:

1 mole of CO2 contain 12gms of carbon and 44 gms of CO2

therefore  24 gms of carbon is present in 88 gms of CO2 or 2 moles of CO2

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Filed Under: Chemistry

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Q:

Which of the following is not transferred by alveoli?

A) Gases B) Oxygen
C) Blood D) Carbondioxide
 
Answer & Explanation Answer: C) Blood

Explanation:

The main function of the pulmonary alveoli is to perform the transfer and exchange of gases. Here in the given options, blood is only one which is not gas.

 

Hence, blood is not transferred by alveoli.

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

The car model which has became only the second in india to cross 25 lakh unit sales mark in domestic market

Answer

Alto

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