NEET Biology Organisms and population Question Bank

done Assertion and Reason Total Questions - 21

• question_answer1)
  Read the assertion and reason carefully to mark the correct option out of the options given below:

  Assertion : Autotomy is the mechanism of self-amputation of certain body parts in self-defence.

  Reason : Autotomy is found in legs of prawn, tail of wall lizard and arms of starfish.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer2)
  Read the assertion and reason carefully to mark the correct option out of the options given below:         

  Assertion : Birds and mammals show isometric growth.

  Reason : Fishes and insects show allometric growth.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer3)
  Read the assertion and reason carefully to mark the correct option out of the options given below:

  Assertion : Growth involves the synthesis of protoplasmic as well as a protoplasmic materials.

  Reason : During growth, catabolic activities are faster than anabolic activities.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer4)
  Read the assertion and reason carefully to mark the correct option out of the options given below:

  Assertion            :     During late childhood period, the body parts show rapid growth rate.

  Reason              :     Thyroxine and STH both become functional in addition to thymosine hormone.

          
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer5)
  Read the assertion and reason carefully to mark the correct option out of the options given below:         

  Assertion            :  Nematodes and tunicates show auxetic growth.

  Reason              :  In these animals, growth occurs only by increases in size of cells and not number of cells.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer6)
  Read the assertion and reason carefully to mark the correct option out of the options given below:         

  Assertion            :  Coelenterates and flatworms show morphollaxis regeneration.

  Reason              :  In both of these, a body fragment can develop into complete organism.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer7)
  Read the assertion and reason carefully to mark the correct option out of the options given below:

  Assertion : In human being, growth is differential.

  Reason : Growth is rapid during pre-natal and puberty period, while it is slow during juvenile and post-adolescent period.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer8)
  Read the assertion and reason carefully to mark the correct option out of the options given below:

  Assertion            :  Growth curve of higher animals is sigmoid.

  Reason              :  Absolute growth is difference between initial and final weight/size of an organism.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer9)
  Read the assertion and reason carefully to mark the correct option out of the options given below:         

  Assertion            :  Growth of different body parts is differential.

  Reason              :  During human growth, muscles show minimum growth, while brain shows maximum growth.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer10)
  Read the assertion and reason carefully to mark the correct option out of the options given below:         

  Assertion            :  In ageing, power of intake of useful material and expelling of harmful materials out of the cells both decrease.

  Reason              :  With age, elastin protein of connective tissue becomes less flexible, less permeable and insoluble.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer11)
  Read the assertion and reason carefully to mark the correct option out of the options given below:         

  Assertion            :  Death is an essential and inescapable biological phenomenon.

  Reason              :  Death maintains ecological homeostasis and justifies the need of reproduction.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer12)
  Read the assertion and reason carefully to mark the correct option out of the options given below:

  Assertion            :  Nerve supply to a cut part is essential for initiation and completion of regeneration.

  Reason              :  Nerve secretes epidermal growth factor and neurotrophic factor for regeneration.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer13)
  Read the assertion and reason carefully to mark the correct option out of the options given below:         

  Assertion            :  In mammals, liver and kidneys have high power of restorative regeneration.

  Reason              :  Liver increases in size than the normal size when a part of liver is removed.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer14)
  Read the assertion and reason carefully to mark the correct option out of the options given below:         

  Assertion            :  With age, resistance power to diseases is lowered.

  Reason              :  With age, there is gradual degeneration of thymus gland.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer15)
  Read the assertion and reason carefully to mark the correct option out of the options given below:                         

  Assertion            :  A regenerated tail of wall lizard shows heteromorphosis.

  Reason              :  Newly formed tail is different from original tail in being without vertebrae.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer16)
  Read the assertion and reason carefully to mark the correct option out of the options given below:         

  Assertion            :  Liver and kidney of man show compensatory hypertrophy.

  Reason              :  Both of these organs grow larger than their normal size when a part is lost.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer17)
  Read the assertion and reason carefully to mark the correct option out of the options given below:         

  Assertion            :  Regeneration blastema is a bud-like structure formed during regeneration of limb in salamander.

  Reason              :  Formation of regeneration blastema involves dedifferentiation.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer18)
  Read the assertion and reason carefully to mark the correct option out of the options given below:

  Assertion            : Death is one of the important regulatory process on earth.

  Reason              : It avoids over-crowding caused by continuous reproduction.           [AIIMS 2002]

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer19)
  Read the assertion and reason carefully to mark the correct option out of the options given below:

  Assertion            : The number of cells in a multicellular organism is inversely proportional to size of body.

  Reason              : All cells of biological world are alive.[AIIMS 2002]

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer20)
  Read the assertion and reason carefully to mark the correct option out of the options given below:

  Assertion            :  Smaller the organism higher is the rate of metabolism per gram weight.

  Reason              : The heart rate of a six month old baby is much higher than that of an old person.[AIIMS 2003]

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer21)
  Read the assertion and reason carefully to mark the correct option out of the options given below:         

  Assertion            :  Old age is not an illness. It is a continuation of life with decreasing capacity for adaptation.

  Reason              :  Cessation of mitosis is normal genetically programmed event.        [AIIMS 2003

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow