Questions

Q:

In a plant cell, DNA may be found in

A) only in the nucleus and mitochondria. B) only in the nucleus and chloroplasts
C) in the nucleus, mitochondria, and chloroplasts. D) only in the nucleus.
 
Answer & Explanation Answer: C) in the nucleus, mitochondria, and chloroplasts.

Explanation:

All of the genetic information in a cell was initially thought to be confined to the DNA in the chromosomes of the cell nucleus.

It is now known that small circular chromosomes, called extranuclear, or cytoplasmic, DNA, are located in two types of organelles found in the cytoplasm of the cell.

These organelles are the mitochondria in animal and plant cells and the chloroplasts in plant cells.

Chloroplast DNA (cpDNA) contains genes that are involved with aspects of photosynthesis and with components of the special protein-synthesizing apparatus that is active within the organelle.

Mitochondrial DNA (mtDNA) contains some of the genes that participate in the conversion of the energy of chemical bonds into the energy currency of the cell—a chemical called adenosine triphosphate (ATP)—as well as genes for mitochondrial protein synthesis.

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Filed Under: General Science
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Q:

What are three characteristics of the agricultural revolution?

A) Farmers learned to control water through wells and canals B) New tools made it possible for more crops to be grown
C) Crop rotation was invented, making it harder on soil D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:
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Filed Under: Indian History
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Q:

Which of the following governor generals used to call himself as Bengal Tiger?

 

A) Lord Clive B) Warren Hastings
C) Lord Cornwallis D) Lord Wellesley
 
Answer & Explanation Answer: D) Lord Wellesley

Explanation:
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Filed Under: Indian History
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Q:

What is virtual channel?

Answer

Virtual channel is normally a connection from one source to one destination, although multicast connections are also permitted. The other name for virtual channel is virtual circuit.

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Subject: Networking
Job Role: Network Engineer

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Q:

What kind of mathematics do scientists use to analyze data?

A) Algebra B) Calculus
C) Geometry D) Statistics
 
Answer & Explanation Answer: D) Statistics

Explanation:

Statistics is a branch of mathematics dealing with the collection, analysis, interpretation, presentation, and organization of data.

 

All scientists uses Statistics for analysing data.

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Filed Under: General Awareness
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Q:

A locked file can be

A) modified by user with the correct password B) is used to hide sensative
C) accessed by only one user D) Both B & C
 
Answer & Explanation Answer: C) accessed by only one user

Explanation:

A locked file can be accessed by only one user.

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Filed Under: Computer
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Q:

What is Trial Balance?

Answer

It is statement of balances of all the accounts in the ledger prepared to prove the arithmetical accuracy of the books of accounts.


A trial Balance is a list of Debit and Credit or a list of Debit & Credit Balance of all the ledger accounts prepared on any particular date

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Subject: Finance

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Q:

PAS  is a drug used in the treatment of 

A) tuberculosis B) Cancer
C) typhoid D) malaria
 
Answer & Explanation Answer: A) tuberculosis

Explanation:

Para-amino salicyclic acid (PAS) is used in the treatment of Tuberculosis.

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Filed Under: Chemistry

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