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Q:

I will disappear every time you say my name. What am I?

A) Thief B) Silence
C) Shadow D) None
 
Answer & Explanation Answer: B) Silence

Explanation:
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Q:

What are the sides of the dna ladder made of

A) nitrates and sugars B) sugars and hydrates
C) sugars and phosphates D) phosphates and nitrates
 
Answer & Explanation Answer: C) sugars and phosphates

Explanation:

DNA is a double-stranded molecule twisted into a helix. The shape of DNA is a double helix, which is like a twisted ladder. The sides of the ladder are made of alternating sugar and phosphate molecules. Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA. The rungs of the ladder are pairs of 4 types of nitrogen bases.

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Q:

What does airbag, used for safety of car driver, contain?

A) Sodium bicarbonate B) Sodium azide
C) Sodium nitrite D) Sodium peroxide
 
Answer & Explanation Answer: B) Sodium azide

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Q:

A place where bees are kept in called

A) Apiary B) Hive
C) Sanctuary D) Mole
 
Answer & Explanation Answer: A) Apiary

Explanation:

a_place_where_bees_are_kept_in_called1559565045.jpg image

A place where honey bees are kept in called an Apiary or a bee yard.

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Q:

Correct answer for the given blank out of the four alternatives.


The main failings were of conception and a political willingness to settle _________ easy options. _______________ the expansive declarationsof the need "to maintain effective security of all nuclear materials, _______________ includes nuclear materials used in nuclear weapons”, thesummits narrowed their _______________ to civilian holdings __________________ non­nuclear weapon states.


The main failings were of conception and a political willingness to settle _________ easy options.

A) to B) of
C) from D) for
 
Answer & Explanation Answer: D) for

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Q:

What Does BIOS Stand For

A) Backup Input Output System B) Battery Integrated Operating Setup
C) Basic Input Output System D) Better Integrated Operating System
 
Answer & Explanation Answer: C) Basic Input Output System

Explanation:

BIOS in computers stands for Basic Input Output System.

 

BIOS is a set of computer instructions in firmware which control input and output operations.

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Q:

The areas where monthly rainfall during october to December ranges 10cm to 30cm fall in

A) East West of Tamil Nadu and Andhra Pradesh B) Kerala and Karnataka
C) Jammu and Kashmir D) Himachal Pradesh
 
Answer & Explanation Answer: A) East West of Tamil Nadu and Andhra Pradesh

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Filed Under: Indian Geography

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Q:

What is the systematic name of PbO?

A) Plumbic oxide B) Lead oxide
C) Lead(II) oxide D) All of the above
 
Answer & Explanation Answer: C) Lead(II) oxide

Explanation:

The systematic name for a chemical is the unique name given to it by the International Union of Pure Applied Chemistry (IUPAC). The IUPAC name can differ from a chemical compound's general name.

 

PbO is an ionic compound since it consists of a Lead as metal and Oxygen as nonmetal. The systematic name for PbO is Lead (II) oxide. Here we need to put the (II) since lead has more than one combining capacity.

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Filed Under: Chemistry
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