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Q:

Which microscope is often used to view metal surfaces?

A) Optical microscopes B) Scanning tunneling microscopes
C) Electron microscopes D) None of the above
 
Answer & Explanation Answer: B) Scanning tunneling microscopes

Explanation:

Microscopes are of three types. They are :

 

1) Optical microscopes

 

2) Electron microscopes

 

3) Scanning tunneling microscopes

 

 Which_microscope_is_often_used_to_view_metal_surfaces1538720175.png image

 

Scanning tunneling microscopes are the microscopes that are used to view metal surfaces.

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Filed Under: Physics
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Q:

Microorganisms that cause disease are called

A) Pathogens B) Microbes
C) Infectees D) None of the above
 
Answer & Explanation Answer: A) Pathogens

Explanation:
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Filed Under: General Science
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Q:

Which energy source generates radioactive waste?

A) Nuclear power B) Thermal power
C) Hydel power D) All of the above
 
Answer & Explanation Answer: A) Nuclear power

Explanation:

which_energy_source_generates_radioactive_waste1543400097.jpg image

Nuclear power energy source generates radioactive waste.

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Filed Under: General Science
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Q:

Which best describes a gene?

A) a segment of chromosomal DNA B) tightly coiled strands of DNA
C) different allele forms of a trait D) None of the above
 
Answer & Explanation Answer: A) a segment of chromosomal DNA

Explanation:

Gene is a hereditary unit consisting of a sequence of DNA that occupies a specific location on a chromosome and determines a particular characteristic in an organism.

In short it is a piece or segment of chromosome.

 

Genes undergo mutation when their DNA sequence changes. 

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Filed Under: Biology
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Q:

Cranial bones develop

A) within fibrous membranes B) within osseous membranes
C) from cartilage models D) from a tendon
 
Answer & Explanation Answer: A) within fibrous membranes

Explanation:
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Filed Under: Biology
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Q:

On January 3, 2018, RBI initiated ‘PCA’ against the Allahabad Bank. How many public sector banks have been covered under ‘PCA’?

 

A) 18 B) 17
C) 11 D) 15
 
Answer & Explanation Answer: C) 11

Explanation:
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Filed Under: Indian Economy
Exam Prep: Bank Exams

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Q:

Is boiling water a chemical change?

Answer

No. Boiling water is not a chemical change. Because in this process it doesn't loss its properties. It just changes its state i.e, from liquid state to gaseous.


 


Hence, Boiling water is a Physiacl change and not a chemical change.

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Subject: Chemistry Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

Where is fragment information stored?

A) in the physical logs B) in the reserved pages
C) in the system catalog tables D) in the first page of the database tblspace
 
Answer & Explanation Answer: C) in the system catalog tables

Explanation:
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Filed Under: IBM Certification

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