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Biology Questions Answers MCQs Quiz Online PDF Download eBook

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MCQs on Biology Questions Answers PDF Download eBook

MCQ: In tuberculosis, the bacteria usually attack

  1. skin
  2. lungs
  3. heart
  4. limbs


MCQ: All are correct for seeds shedding from the parent plant, except

  1. it can grow right away
  2. it is in a state of dormancy
  3. it has little water content
  4. it is metabolically inactive.


MCQ: The purpose of Hydrophilic R group is to

  1. prevent the enzyme from being denatured at higher temperatures
  2. add the stability of the enzyme
  3. ensure that they are soluble
  4. help protein molecule coil in three dimensional space


MCQ: Well organized transport system needs a

  1. large surface area compared to total volume
  2. smaller surface area compared to total volume
  3. pump to keep fluid moving through them
  4. may rapidly develop carcinogens


MCQ: Emphysema is caused due to

  1. bursting of alveoli only
  2. decrease in the surface area of gas exchange only
  3. tracheal infection
  4. bursting of alveoli and decrease in the surface area for gas exchange