Questions

Q:

which of the following represents a set of properties that guarantee that database transactions are processed reliably in computer science ?

A) Buffer Cache B) ACID
C) Foreign Key D) None
 
Answer & Explanation Answer: B) ACID

Explanation:

ACID means (Atomicity, Consistency, Isolation, Durability) is a set of properties of database transactions intended to guarantee validity even in the event of errors, power failures, etc.

In the context of databases, a sequence of database operations that satisfies the ACID properties and, thus, can be perceived as single logical operation on the data, is called a transaction. For example, a transfer of funds from one bank account to another, even involving multiple changes such as debiting one account and crediting another, is a single transaction.

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Q:

Why is DNA called the blueprint of life?

Answer

DNA is called the blueprint of life because it contains the instructions needed for an organism to grow, develop, survive and reproduce. DNA does this by controlling protein synthesis. Proteins do most of the work in cells, and are the basic unit of structure and function in the cells of organisms.

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Q:

Titan industries has rolled out its own Swiss made premium watches in India under the brand Name of 

A) Insignia B) Xylys
C) Bvlgeri D) Titan Sens
 
Answer & Explanation Answer: B) Xylys

Explanation:
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Q:

The first feature film produced in India was

A) Hatimtai B) Alamm Ara
C) Pundalik D) Raja Harishchandra
 
Answer & Explanation Answer: B) Alamm Ara

Explanation:
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Q:

What two scientists established the structure of dna?

A) Rosalind Franklin and Maurice Wilkins B) James Watson and Francis Crick
C) Rosalind Franklin and Francis Crick D) James Watson and Maurice Wilkins
 
Answer & Explanation Answer: B) James Watson and Francis Crick

Explanation:

In the early 1950s two scientists, Rosalind Franklin and Maurice Wilkins, studied DNA using x-rays. Franklin produced an x-ray photograph that allowed two other researchers, James Watson and Francis Crick to work out the 3D structure of DNA. The structure of DNA was found to be a double helix.

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Q:

Money can be transferred using mobile phones through the service called

A) NEFT B) ECS
C) IMPS D) RTGS
 
Answer & Explanation Answer: C) IMPS

Explanation:
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Q:

Study of teeth is called

A) Pedagogy B) Ornithology
C) Orthoepy D) Odontology
 
Answer & Explanation Answer: D) Odontology

Explanation:

The study or scientific study of the structure, development, and abnormalities of the teeth is called Odontology. The science that studies teeth and their surrounding tissues, especially the prevention and cure of their diseases is called Dentology.
 

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Q:

Which of the following Indian Universities has topped the list of country's official higher education rankings, recently announced by the HRD Ministry ? 

A) Jawaharlal Nehru University B) Banaras Hindu University
C) IISc-Bengaluru D) Delhi University
 
Answer & Explanation Answer: C) IISc-Bengaluru

Explanation:

The Indian Institute of Sciences (IISc)- Bengaluru has topped the list of best universities of country's official higher education rankings, recently announced by the HRD Ministry.

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