Questions

Q:

What holds the sides of the DNA ladder together?

A) Polar covalent bonds B) Ionic bonds
C) Metallic bonds D) Covalent bonds
 
Answer & Explanation Answer: D) Covalent bonds

Explanation:

Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA i.e, A sugar (deoxyribose) and a phosphate.

DNA is a double-stranded molecule twisted into a helix (think of a spiral staircase). Each spiraling strand, comprised of a sugar-phosphate backbone and attached bases, is connected to a complementary strand by non-covalent hydrogen bonding between paired bases. The bases are adenine (A), thymine (T), cytosine (C) and guanine (G). A and T are connected by two hydrogen bonds. G and C are connected by three hydrogen bonds.

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Filed Under: Biology
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16 10168
Q:

The main aim of SAARC is

A) Regional Cooperation B) Internal affairs
C) Non-alignity D) Peaceful Coexistence
 
Answer & Explanation Answer: A) Regional Cooperation

Explanation:

SAARC means The South Asian Association for Regional Cooperation is the regional intergovernmental organization and geopolitical union of nations in South Asia.

It is founded in the yaer 1985. Its headquarters are in Kathmandu, Nepal.

 

Its member states include Afghanistan, Bangladesh, Bhutan, India, Nepal, the Maldives, Pakistan and Sri Lanka.

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Filed Under: World Organisations
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29 10164
Q:

Succus Entericus is secreted by

A) Auerbach's plexus B) Peyers patches.
C) Brunner's glands D) Crypts of Lieberkuhn
 
Answer & Explanation Answer: D) Crypts of Lieberkuhn

Explanation:

Succus Entericus is the alkaline secretion produced by glands in the wall of the duodenum, consisting of water, mucoproteins, and hydrogencarbonate ions.

 

Succus Entericus is secreted by Crypts of Lieberkuhn.

 

It helps to counteract the highly acidic and proteolytic chyme entering the small intestine from the stomach, and thus protects the duodenum from damage.

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Filed Under: Biology
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24 10160
Q:

Which acid is produced when milk gets sour?

A) Lactic acid B) Acetic acid
C) Tartaric acid D) Butyric acid
 
Answer & Explanation Answer: A) Lactic acid

Explanation:
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Filed Under: Chemistry
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11 10143
Q:

From which one of the  following places,remains of wells have been found in houses belonging to the development stage of the Indus Valley Civilization

A) Harappa B) Kalibangan
C) Lothal D) Mohenjodaro
 
Answer & Explanation Answer: D) Mohenjodaro

Explanation:
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Filed Under: Indian History

16 10135
Q:

The list of coded instructions is called

A) Algorithm B) Flowchart
C) Utility programs D) Computer program
 
Answer & Explanation Answer: D) Computer program

Explanation:


A computer program is a collection of instructions that performs a specific task when executed by a computer

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Filed Under: Operating Systems
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46 10129
Q:

Simpson and Harrison are associated with the invention of

A) Boson B) Chloroform
C) Balloon D) None of these
 
Answer & Explanation Answer: B) Chloroform

Explanation:
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Filed Under: Inventions

14 10126
Q:

Which classical dance of the following is named after the village it was born from ?

A) Mohiniattam B) Bharatanatyam
C) Kuchipudi D) Kathakali
 
Answer & Explanation Answer: C) Kuchipudi

Explanation:
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Filed Under: Indian Culture

135 10121