Questions

Q:

Asexual reproduction differs from sexual reproduction in that in asexual reproduction, ______

A) the new organisms are genetically identical to the parent B) the gametes are produced in reproduction
C) the nuclei of gametes fuse D) the offspring shows variations
 
Answer & Explanation Answer: A) the new organisms are genetically identical to the parent

Explanation:
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Filed Under: Biology
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Q:

Polynucleotide chain of DNA contains

A) a nitrogenous base, deoxyribose sugar and phosphate group B) a nitrogenous base, ribose sugar and phosphate group
C) deoxyribose sugar, ribose sugar and phosphate group D) a nitrogenous base and phosphate group only
 
Answer & Explanation Answer: A) a nitrogenous base, deoxyribose sugar and phosphate group

Explanation:

The two DNA strands are called polynucleotidesbecause they are composed of simpler monomer units called nucleotides. Eachnucleotideis composed of one of four nitrogen-containingnucleobases (cytosine, guanine, adenine or thymine), a sugar called deoxyribose, and a phosphate group.

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Q:

AIDS is caused by the Human Immunodeficiency Virus (HIV). The transmission of HIV infection generally occurs through

A) eating contaminated food and water   B) transfusion of contaminated blood and blood products
C) inhaling polluted air D) shaking hand with infected person
 
Answer & Explanation Answer: B) transfusion of contaminated blood and blood products

Explanation:

AIDS is caused by the Human Immuno deficiency Virus (HIV), a member of a group of viruses called retrovirus, which have an envelope enclosing the RNA genome. Transmission of HIV-infection generally occurs by (a) sexual contact with infected person, (b) by transfusion of contaminated blood and blood products, (c) by sharing infected needles as in the case of intravenous drug abusers and (d) from infected mother to her child through placenta.

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Q:

"The General Equilibrium Analysis" was developed by

A) Marshall B) Ricardo
C) Walras D) Adam Smith
 
Answer & Explanation Answer: C) Walras

Explanation:
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Filed Under: Indian Economy
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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives.


One who has witnessed a debate ______ argument between two men _____________ strong intellectually, one of whom is a trained logician and the other lacking this advantage, will never forget the impression produced _________ him by the unequal struggle. The conflict is like that of a ____________ wrestler, untrained in the little tricks and turns of the science, in the various principles of applying force in a certain way at a certain time, at a certain place, with a __________ and experienced wrestler.


impression produced _________ him by the unequal

 

A) up B) upon
C) into D) in
 
Answer & Explanation Answer: B) upon

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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

 

This argument is completely ______________ and shows very little understanding ____________ education. The costs quoted for private schools, one, have no reliable source of data and, ______________, they discount two kinds of hidden costs — to the family and _____________ the nation. Often the cost of education in private schools is _________________ with the fee per child.

 

to the family and _____________ the nation.

 

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

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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

In a clearing that started a few feet away was a small __________ of cattle.

 

A) herd B) flock
C) colony D) drove
 
Answer & Explanation Answer: A) herd

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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

 

It is obviously wrong as the cost of school uniform, books and stationery, and transport, ________ all are under the monopoly of the school, are not included. ______________ private schools want additional money for special occasions like festivals, picnics, ______________ and projects. And they often recommend tuition for the children. None of this ______________ in this cost calculation. However, the family __________ this burden and these items add significantly to the revenue of private schools.

 

None of this ______________ in this cost calculation.

 

A) counts B) is counted
C) have been counted D) had been counted
 
Answer & Explanation Answer: B) is counted

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