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IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 153

Introduction to Biology Quiz Questions and Answers PDF - 153

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Introduction to Biology Questions and Answers PDF Download: Quiz 153

MCQ 761:

Death of an organism may be due to stop or breakdown of

  1. transparent systems
  2. open systems
  3. hybrid systems
  4. closed systems
MCQ 762:

Rubbed off cells of cornified layer are replaced by

  1. malpighian layer
  2. granular layer
  3. dermis
  4. sub-cutaneous fat
MCQ 763:

Special group of cells in pancreas which secrete insulin is called

  1. loop of Henle
  2. tendon
  3. malpighian corpuscle
  4. islets of Langerhans
MCQ 764:

Inorganic salts released during decomposition include

  1. nitrate
  2. sulfate
  3. phosphate
  4. all of above
MCQ 765:

During night, the fresh water is made more acidic due to

  1. onset of photosynthesis
  2. caesura of photosynthesis
  3. onset of respiration
  4. onset of transpiration

IGCSE O Level Biology Exam Prep Tests

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Introduction to Biology App (Android & iOS)

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O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

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MCAT Biology App (Android & iOS)

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