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Q:

What is $\frac{1}{5}$ as a decimal?

A) 0.333	B) 0.666
C) 0.200	D) 0.452

Answer & Explanation Answer: C) 0.200

Explanation:

Here I converted the original fraction to a fraction with the denominator being 10, because decimals can be written in the tenths place.

$Divide numerator and denominator with' 2' \frac{1}{5} x \frac{2}{2} = \frac{2}{10} = 0.2$

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Filed Under: Decimal Fractions
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Q:

Which of the following is not a function of the Control Unit?

A) Interpret instructions	B) Read instructions
C) Execute instructions	D) Direct operations

Answer & Explanation Answer: B) Read instructions

Explanation:

Control Unit can perform the functions Interpret instructions, Execute instructions and Direct operations. But Reading instructions is not a function of the Control Unit.

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Filed Under: Computer
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Q:

Candidate Key in DBMS?

Answer

A candidate key is a column, or set of columns, in a table that can uniquely identify any database record without referring to any other data. Each table may have one or more candidate keys, but one candidate key is unique, and it is called the primary key.

Workspace

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Subject: Oracle Certification
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Q:

Which part of the flame is the hottest?

A) Blue Zone	B) Luminous Zone
C) Dark Zone	D) Non - Luminous Zone

Answer & Explanation Answer: A) Blue Zone

Explanation:

Blue Zone is the hottest part of the flame that is where the flame has the most Oxygen and you are getting complete combustion. It is about 1400 degrees Centigrades. The Reddish part (Non - Luminous Zone) is the coolest part, about 800 deg C.

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Filed Under: Physics
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Q:

I can Honk without using a Horn.

Who am I?

A) Goose	B) Crane
C) Penguin	D) Humming

Answer & Explanation Answer: A) Goose

Explanation:

Goose can Honk without using a Horn. Geese are waterfowl of the family Anatidae.

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Filed Under: Word Puzzles
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Q:

What type of Lipid is Estrogen?

A) phospholipid	B) steroid
C) wax	D) triglyceride

Answer & Explanation Answer: B) steroid

Explanation:

Estrogen is a group of steroid hormone that control the development and maintenance of an individuals feminine characteristics. Natural estrogen exists in men as well as women and are found in higher amounts in women Especially in those of reproductive age.

Estrogens are hormones which are responsible to the body functions of the female body system such as menstruation, development of the female body such as pubic hair, breasts and development of the proportions of the body.

Lipids act as best energy storage molecules as the cleavage of fatty acids produces both energy and metabolic water which is a main component in almost all lipids.

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Filed Under: Chemistry
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Q:

Unlike Mitosis, Meiosis results in the formation of

A) 2N daughter cells	B) Haploid cells
C) body cells	D) Diploid cells

Answer & Explanation Answer: B) Haploid cells

Explanation:

Unlike Mitosis, Meiosis results in the formation of 4 Genetically different cells.

Meiosis results in the formation of 4 Haploid daughter cells from one Diploid parent cell.

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Filed Under: Biology
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Q:

Which statement best describes electrons?

A) Electrons orbit around the nucleus	B) Electrons are composed of protons and neutrons
C) Electrons reside in the nucleus	D) Electrons have a positive charge

Answer & Explanation Answer: A) Electrons orbit around the nucleus

Explanation:

Electrons orbit around the nucleus is correct about them.

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Filed Under: Chemistry
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