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Q:

I have four wings, but cannot fly, I never laugh and never cry; On the same spot I'm always found, toiling away with little sound.

 What am I?

Answer

A Windmill.

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Subject: Word Puzzles Exam Prep: TOEFL , GRE , GATE , CAT , Bank Exams , AIEEE
Job Role: Network Engineer , IT Trainer , Database Administration , Bank PO , Bank Clerk , Analyst

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Q:

What is Primary Key in DBMS?

Answer

A primary key is a special relational database table column or combination of columns designated to uniquely identify all table records. That is, A primary key is a column or set of columns in a table that uniquely identifies tuples (rows) in that table.


A primary key, also called a Primary Keyword.



Main Features Primary key are ::


It must contain a unique value for each row of data.


It cannot contain null values.

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Subject: Oracle Certification
Job Role: Database Administration , IT Trainer , Software Architect

12 2504
Q:

Which of the following is the tallest building in the world?

A) Shanghai Tower B) Burj Khalifa
C) Kingdom Clock Tower D) Wuhan Greenland Center
 
Answer & Explanation Answer: B) Burj Khalifa

Explanation:

The 828-metre (2,717 ft) tall Burj Khalifa in Dubai has been the tallest building since 2008.

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Filed Under: General Awareness
Exam Prep: Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

1 2504
Q:

A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the bodyis: [Given g = 9.8 m/s]

A) 1568 J B) 1568 C
C) 1568 W D) 1568 N
 
Answer & Explanation Answer: A) 1568 J

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

2 2504
Q:

Poverty level in india is estimated on the basis of

A) Household consumer expenditure B) Slum population in the country
C) Per capita income in different States D) Household average income
 
Answer & Explanation Answer: A) Household consumer expenditure

Explanation:
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Filed Under: Indian Economy
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Select the correct statement about the uterine cycle.

A) During the secretory phase, estrogen levels are at their highest. B) During the proliferative phase, levels of progesterone rise as the follicle begins to produce more hormone.
C) If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo. D) The menstrual phase of the cycle is from day 1 to day 8.
 
Answer & Explanation Answer: C) If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.

Explanation:

"If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo." is the only correct statement about the uterine cycle among the options.

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

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Q:

The DASH Diet plan was devised to prevent

A) TB B) Thyroid
C) Hypertension D) Diabetes
 
Answer & Explanation Answer: C) Hypertension

Explanation:

he DASH Diet plan was devised to prevent high blood pressure i.e, hypertension.

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

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Q:

An important function of fat in the body is to

A) Protect vital organs B) Stores energy
C) Insulate us D) All of the above
 
Answer & Explanation Answer: D) All of the above

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

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