Questions

Q:

What scheme does the Kernel in Unix System V follow while choosing a swap device among the multiple swap devices?

Answer

Kernel follows Round Robin scheme choosing a swap device among the multiple swap devices in Unix System V.

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Subject: Operating Systems Exam Prep: GATE

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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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Filed Under: Biology
Exam Prep: Bank Exams , AIEEE
Job Role: Bank Clerk , Analyst

6 3157
Q:

One who believes in fate?

A) determinist B) predestinarianist
C) fatalist D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

A person that believes completely in fate is a fatalist, or sometimes predestinarianist or determinist.

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Filed Under: English
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
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2 3156
Q:

You can see me in water, but I never get wet.

Answer

A reflection.

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Subject: Word Puzzles Exam Prep: TOEFL , CAT , Bank Exams
Job Role: Bank Clerk , Bank PO

18 3156
Q:

The five permanent members of UN security council are

A) Japan, West Germany, USSR, UK and USA B) Germany, China, USSR, UK and USA
C) Canada, China, France, USSR and USA D) China, France, USSR, UK and USA
 
Answer & Explanation Answer: D) China, France, USSR, UK and USA

Explanation:
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Filed Under: World Organisations

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Q:

Copying the logs on the standby/backup server is an operation of Log Shipping

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

It is one of the operation of Log Shipping

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Q:

Plants that make their own food are called

A) Autotrophs B) Hydrophylls
C) Decomposers D) Heterotrophs
 
Answer & Explanation Answer: A) Autotrophs

Explanation:

Plants make their own food through the process of photosynthesis. Plants are self-sufficient. Green plants have the ability to prepare their own food and this is the reason why they are called autotrophs.

                                        Autotrophs1530267836.jpg image


They make their own food through the process of photosynthesis using light energy to make sugars from carbon dioxide (C02) and water (H20). The chlorophyll which is present in the leaves is the main reason for the production of food in the plants and it is the reason for the greenery of the leaves too.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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4 3155
Q:

Is air homogeneous or heterogeneous?

A) homogeneous B) heterogeneous
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) homogeneous

Explanation:

A Mixture is a material made up of two or more different substances which are mixed.

 

Mixtures can be either homogeneous or heterogeneous.

 

* A homogeneous mixture is a type of mixture in which the composition is uniform and every part of the solution has the same properties.

* A heterogeneous mixture is a type of mixture in which the components can be seen, as there are two or more phases present.

 

Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen, and smaller amounts of other substances.

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Filed Under: Physics
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