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IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 161

Antibiotics: Penicillin Production Quiz Questions and Answers PDF - 161

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Antibiotics: Penicillin Production Questions and Answers PDF Download: Quiz 161

MCQ 801:

In penicillin production, the pH of culture medium is maintained between

  1. 5 and 6
  2. 4 and 6
  3. 6 and 7
  4. 4 and 5
MCQ 802:

Using manganese oxide as a catalyst, in heating potassium chlorate (KClO3), manganese oxide (MnxOy)

  1. evaporates
  2. melts
  3. remains unchanged
  4. becomes magnesium carbonate
MCQ 803:

First stable form of carbohydrates (CnH2mOm) formed in photosynthesis is

  1. complex sugars
  2. disaccharides
  3. cellulose
  4. glucose
MCQ 804:

Survival of aquatic organisms only in their environment is an example of

  1. high specialization
  2. less specialization
  3. adaptation
  4. metabolism
MCQ 805:

If adrenaline increases the blood flow in muscles, the long term effect will be

  1. the feeling of being more alive
  2. vasoconstriction of muscles occurs
  3. an improved muscular performance
  4. muscles becoming tense and painful

IGCSE O Level Biology Exam Prep Tests

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Antibiotics Penicillin Production App (Android & iOS)

Antibiotics Penicillin Production App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

Phylum App (Android & iOS)

Phylum App (Android & iOS)

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Zoology App (iOS & Android)