NEET Biology Respiration In Plants Question Bank

done Factor Affecting Respiration Total Questions - 13

• question_answer1)
  During injury and infection, the rate of\[{{O}_{2}}\]consumption
  A)
  Increases done clear
  B)
  Decreases done clear
  C)
  Remains unchanged done clear
  D)
  Becomes zero done clear
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• question_answer2)
  The potato growing in hilly areas is bigger in size due to
  A)
  High rate of photosynthesis at high altitude done clear
  B)
  Low rate of respiration at high altitude done clear
  C)
  Due to formation of more fat done clear
  D)
  None of the above done clear
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• question_answer3)
  In presence of dilule salt solution, rate of respiration in a respiring tissue
  A)
  Increases done clear
  B)
  Decreases done clear
  C)
  Remains constant done clear
  D)
  None of the above done clear
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• question_answer4)
  If oxygen contents is reduced to 1%, the rate of respiration becomes
  A)
  Optimum done clear
  B)
  Minimum done clear
  C)
  Maximum done clear
  D)
  None of the above done clear
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• question_answer5)
  \[C{{O}_{2}}\]concentration has which relation with respiration
  A)
  Directly proportional done clear
  B)
  Inversely proportional done clear
  C)
  Both [a] and [b] done clear
  D)
  No relation done clear
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• question_answer6)
  If the nacked pea seeds are kept in four respiratory flasks, they would germinate best in the flask which contains [BHU 1982]
  A)
  Carbon dioxide done clear
  B)
  Oxygen done clear
  C)
  Hydrogen done clear
  D)
  Nitrogen done clear
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• question_answer7)
  Which of the following is necessary for respiration in plants [CPMT 1986]
  A)
  Carbon dioxide done clear
  B)
  Oxygen done clear
  C)
  Chlorophyll done clear
  D)
  Light done clear
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• question_answer8)
  The rate of respiration of young maturing seeds is quite high but as water contents decreases during further maturation, respiration [DPMT 1986]
  A)
  Remains high done clear
  B)
  Stops completely done clear
  C)
  Increases steadily done clear
  D)
  Decreases steadily done clear
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• question_answer9)
  In presence of cyanide, azide and carbon monoxide, the rate of respiration [MP PMT 1988]
  A)
  Decreases done clear
  B)
  Increases done clear
  C)
  Remains the same done clear
  D)
  None of the above done clear
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• question_answer10)
  Which statement is wrong [CBSE PMT 1989]
  A)
  Stomatal opening is influenced by many factors and potassium done clear
  B)
  All enzymes are proteins but all proteins are not enzymes done clear
  C)
  All angiosperms are with seeds but all seed plants are not angiosperms done clear
  D)
  Factors which effect the respiration influence the photosynthesis but reverse is not possible done clear
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• question_answer11)
  If the temperature is increased (above\[{{35}^{o}}C\]) [CPMT 1991]
  A)
  Rate of decline of respiration will be earlier than decline of photosynthesis done clear
  B)
  Rate of decline of photosynthesis will be earlier than decline of respiration done clear
  C)
  Both decline simultaneously done clear
  D)
  Both do not show any fixed pattern done clear
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• question_answer12)
  When an unripe banana is sealed in a polythene bag, it remains green for many days. But if an apple is also sealed in the same bag, the banana ripens and turns yellow within a few days. The reason is that apple [BHU 1994]
  A)
  Removes\[{{O}_{2}}\]released by the banana and thus promotes ripening done clear
  B)
  Produces\[C{{O}_{2}}\]which promotes ripening done clear
  C)
  Removes\[C{{O}_{2}}\]which inhibits ripening done clear
  D)
  Releases ethylene which promotes ripening done clear
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• question_answer13)
  The graph shows the relation between light intensity and the giving off and taking up of carbon dioxide by the leaves of a plant. Why is most carbon dioxide given off when the light intensity is zero units [Kerala PMT 2004]
  A)
  Because it is just the start of the experiment done clear
  B)
  Only respiration is taking place at this intensity of light done clear
  C)
  Only photosynthesis is taking place at this intensity of light done clear
  D)
  The rate of photosynthesis is equivalent to the rate of respiration done clear
  E)
  The rate of photosynthesis is more than the rate of respiration done clear
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