Questions

Q:

Who expanded the cell theory and suggested that all the cells arise from pre-existing cells?

 

A) T. Schwann B) M. Schleiden
C) J. E. Purkinje D) Rudolf Virchow
 
Answer & Explanation Answer: D) Rudolf Virchow

Explanation:
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Filed Under: Biology
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Q:

What is Carbon Watch?

 

A) Watch having carbonated dial B) Glasses informing about pollution
C) Watch that informs about carbon content D) Mobile App informing about carbon footprint
 
Answer & Explanation Answer: D) Mobile App informing about carbon footprint

Explanation:

Carbon Watch is a mobile application used to assess the carbon footprint generated by any individual.

 

 

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Filed Under: General Awareness
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Q:

Calculate the power (in W) of an engine if it can perform 120 J of work in 3 seconds.

 

A) 360 B) 80
C) 180 D) 40
 
Answer & Explanation Answer: D) 40

Explanation:
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Filed Under: Physics
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Q:

Which country has made the world’s largest amphibious aircraft named AG600?

 

A) United States of America B) Russia
C) China D) Saudi Arabia
 
Answer & Explanation Answer: C) China

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Q:

Organisms that can make their own food are called

 

 

A) Cyanobacteria B) Autotrophs
C) Heterotrophs D) Omnivores
 
Answer & Explanation Answer: B) Autotrophs

Explanation:

The organisms that make their own food through basic elements like water, minerals using sunlight as energy (photosynthesis) are called Autotrophs.

 

 

 

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Filed Under: Biology
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Q:

Hydrogen bomb is based on the principle of  

A) nuclear fission B) nuclear fusion
C) natural radioactivity D) artificial radioactivity
 
Answer & Explanation Answer: B) nuclear fusion

Explanation:

Hydrogen Bomb is based on the principle of Nuclear Fusion.

Hydrogen_bomb_is_based_on_the_principle_of1552385714.jpg image

 

  • Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles.

 

  • The difference in mass between the reactants and products is manifested as either the release or absorption of energy.
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Filed Under: Chemistry
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Q:

Improve the bracketed part of the sentence.

Woodrow Wilson was referring to the liberal idea of the economic market when he said that the free enterprise system is the (much) efficient economic system.

A) most B) many
C) mere D) No improvement
 
Answer & Explanation Answer: A) most

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Filed Under: English

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Q:

Hypokinetic diseases refer to those that are caused by

 

 

A) infections B) high cholesterol
C) inactivity D) high blood pressure
 
Answer & Explanation Answer: C) inactivity

Explanation:
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Filed Under: Biology
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