Questions

Q:

A myocardial infarction is a heart attack.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

True, the given statement that a myocardial infarction is a heart attack.


heart-attack-_myocardial_infarction1532070967.jpg image

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Subject: Biology
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Q:

Dry ice is an example of which process

A) Condensation B) Evaporation
C) Sublimation D) Freezing
 
Answer & Explanation Answer: C) Sublimation

Explanation:

Sublimation is a process when a solid changes directly into gas instead changing into liquid first. Dry ice is an example of Sublimation process because it doesn't change into liquid CO2 and directly change into gaseous CO2 when heated.

 

Hence, Dry ice is an example of Sublimation process. 

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Q:

City with most Bridges in the world is _________

Answer

Hamburg, Germany, is located on the river Elbe at the point where it meets the Bille and Alster rivers. The canals, rivers and streams within the city are crossed by a total of 2,302 bridges-more than the cities of Vanice and Amsterdam combined.

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Q:

When a piece of pure silicon is doped with aluminium, then

A) the conductivity of the doped silicon piece will remain the same B) the doped silicon piece will become n-type
C) the doped silicon piece will become p-type D) the resistivity of the doped silicon piece will increase
 
Answer & Explanation Answer: C) the doped silicon piece will become p-type

Explanation:

p type of semiconductor is obtained when Silicon is doped with a trivalent impurity like Aluminium. Aluminium is a p-type dopant, which means that when a semiconductor i.e. silicon is doped with aluminium, it creates a hole (positively charged carrier) by accepting an electron from the silicon atom. Electrical conductivity of semiconductors increasesand resistivity remains the same

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Which of the following organelle is known as the 'Power House' of the cell?

A) Golgi Bodies B) Ribosomes
C) Mitochondria D) None of these
 
Answer & Explanation Answer: C) Mitochondria

Explanation:

Mitochondria are known as 'Power House' of the cell because they produce energy in the form of ATP.

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Filed Under: Biology

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Q:

Which is Largest railway route in India ?

Answer



Dibrugarh in Assam to Kannyakumari in Tamil Nadu.


 

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Q:

Foods that allow micro organisms to grow are called Parasites.

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

No, the given statement is False.


Parasites are organisms that feed on other organisms causing harm to them.


Foods that allow micro organisms to grow are called Growth Mediums.

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Subject: Biology
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Q:

According to a survey, which country has become the second largest smartphone market in the world?

A) Japan B) China
C) India D) USA
 
Answer & Explanation Answer: C) India

Explanation:

According to a Report by analyst firm Canalys, India has become the second largest smartphone market in the world.

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