Free Online Biology MCQs Quiz Online PDF Download

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MCQs on Free Online BiologyQuiz PDF Download

MCQ: Pus is formed at site of wound due to

  1. dead phagocytes
  2. pathogenic bacteria
  3. granulocytes
  4. both A and B

D

MCQ: All is true for Voodoo lily, but,

  1. the flies stay away due to rotten fresh smell
  2. its helps plant in reproduction
  3. more smelling compounds are vaporized due to heat
  4. insects are attracted for pollination

A

MCQ: Breathing mechanism include

  1. internal respiration
  2. external respiration
  3. expiration
  4. all of these

C

MCQ: Plants can be called as

  1. autotrophs
  2. photoautotroph
  3. heterotrophy
  4. chemoautotrophs

B

MCQ: Enzyme causing breakdown of sucrose into simple sugar (C6H12O6) is

  1. pepsin
  2. protease
  3. saliva amylase
  4. sucrose

D