Questions

Q:

At what temperature do pathogenic bacteria grow best in food?

A) 5 to 15 degrees Celsius B) 15 to 25 degrees Celsius
C) 20 to 45 degrees Celsius D) 40 to 65 degrees Celsius
 
Answer & Explanation Answer: C) 20 to 45 degrees Celsius

Explanation:

The Bacteria that causes Food Borne illness are called Food Borne Pathogens. Most of the pathogens are mesophilic in nature, optimum temperature may be around 20-45 degree celsius. This range of temperatures is often called the "Danger Zone." Dry foods do not support the growth of bacteria.

 

In order to kill pathogenic bacteria you need temperatures above 74ºC. Temperature is the easiest factor to control in order to prevent bacterial growth.

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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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Q:

The country which covers two continents is 

A) USSR B) Canada
C) Australia D) Indonesia
 
Answer & Explanation Answer: A) USSR

Explanation:

The USSR( now a Common Wealth of Independent States) is spread over Europe and Asia

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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:

Mirage is due to

A) Magnetic disturbances in the atmosphere B) Equal heating of different parts of the atmosphere
C) Unequal heating of different parts of the atmosphere D) Depletion of ozone layer in the atmosphere
 
Answer & Explanation Answer: C) Unequal heating of different parts of the atmosphere

Explanation:

Mirage_is_due_to1553078535.jpg image

Mirage is a naturally occurring optical phenomenon due to unequal heating of different parts of the atmosphere in which light rays bend to produce a displaced image of distant objects or the sky.

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Filed Under: Physics
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Q:

Magnetic field lines about a current-carrying wire

A) circle the wire in closed loops B) extend radially from the wire
C) both of these D) None of the above
 
Answer & Explanation Answer: A) circle the wire in closed loops

Explanation:

Electric current produces a magnetic field. This magnetic field can be visualized as a pattern of circular field lines surrounding a wire.

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Q:

Which statement is one component of the cell theory?

A) DNA is the basis of genetic transfer B) All living cells arise from pre-existing cells
C) All cells are composed of same organelles D) Tissues are formed from combinations of cells
 
Answer & Explanation Answer: B) All living cells arise from pre-existing cells

Explanation:

All living cells arise from pre-existing cells is one component of the cell theory.

 

The Cell Theory is one of the basic principles of biology.

 

The Cell Theory states:

1. All living organisms are composed of cells. They may be unicellular or multicellular.

2. The cell is the basic unit of life.

3. Cells arise from pre-existing cells.

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Filed Under: Biology
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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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