Questions

Q:

Why is February 28th celebrated as National Science Day ?

Answer

It was on February 28th, 1928 that CV Raman announced  his discovery of New radiation-subsequently named the Raman Effect- that won him the Noble prize.

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Q:

Which of the following is a secondary air pollutant?

A) Acid rain B) SO2
C) CO2 D) Dust particles
 
Answer & Explanation Answer: A) Acid rain

Explanation:

Secondary pollutants include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight.

 

Whereas Primary pollutant are those pollutants that are directly emitted from their sources, like CO2, CO, SO2 as these gases are directly emitted form burning of fossil fuels.

 

Acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water, sulfuric acid etc.

 

Hence, Acidrain is a secondary air pollutant.

 

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Filed Under: General Awareness
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Q:

Project Integration Management

What are the Project Management Processes included in the Project Integration Management?

Answer

The Integrative Project Management Processes include:


Develop Project Charter - Developing the project charter that formally authorizes a project or a project Phase.


Develope Preliminary Project Scope Statement - Developing the preliminary project scope statement that provides a high level scope narrative


Develop Project Management Plan -  Documenting the actions necessary to define, prepare, integrate, and coordinate all subsidiary plans into a project management plan.


Direct and Manage Project Execution- Executing the work defined in the project management plan to achieve the project's requirements defined in the project scope statement.


Monitor and Control Project Work - Monitoring and controlling the processes used to initiate, plan, execute, and close a project to meet the performance objectives defined in the project management plan.


Integrated Change Control - Reviewing all change requests, approving changes, and controlling changes to the deliverables and organizational process assets.


Close Project - Finalizing all activities across all of the Project Management Process Groups to formally close the project or a Project phase.

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Q:

The relationship where both the participating entities belong to same entity type is called

A) Participation B) Recursive
C) Standard D) Normal
 
Answer & Explanation Answer: B) Recursive

Explanation:

The relationship where both the participating entities belong to same entity type is called Recursive relationship

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Filed Under: Database
Job Role: Database Administration

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Q:

Scientist who discovered blood groups

A) Krebs B) Pavlov
C) Karl Landsteiner D) Darwin
 
Answer & Explanation Answer: C) Karl Landsteiner

Explanation:
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Filed Under: Biology

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Q:

The support cells of the nervous system are

A) astrocytes B) oligodendrocytes
C) ependymal cells D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The support cells of the nervous system are Glia, also called glial cells or neuroglia. In the central nervous system, there are four types of supporting cells. They are ::

The_support_cells_of_the_nervous_system_are1547786671.jpg image

 

* Astrocytes

* Microglial cells

* Ependymal cells

* Oligodendrocytes

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Filed Under: Biology
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Q:

The atoms of the elements which have same number of neutrons are called

A) Isobars B) Isotopes
C) Isotones D) None
 
Answer & Explanation Answer: C) Isotones

Explanation:
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Filed Under: Chemistry

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Q:

Which of the following year is considered as the first year of the Muslim calender ? 

A) AD 622 B) AD 671
C) AD 571 D) AD 651
 
Answer & Explanation Answer: A) AD 622

Explanation:

Muhammad had to leave Mecca his birth place where he started preaching and take refuse in Medina, where he was given a warm welcome. This event took place in AD 622 and is known as the year of the Hijira, or migration, which became the first year of the Muslim Calendar.

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Filed Under: World History

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