Mineral Salts MCQs App | IGCSE O Level Biology MCQs e-Book PDF
IGCSE O Level Biology MCQs (O Level) From Textbook

IGCSE O Level Biology Exam Prep MCQs – Mock Test 188

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Free Mineral Salts MCQs App Download (iOS & Android): "Ability to withstand fluctuations in salt concentration is more in"; MCQ with answers: sea water organisms, fresh water organisms, muddy water organisms, and brackish water organisms. Practice Ecology O level Biology Questions and Answers, Google e-Book to download free chapter to explore scientific topics.

Mineral Salts MCQ – Mock Test 188 PDF Download

MCQ 936: Ability to withstand fluctuations in salt concentration is more in:

  1. fresh water organisms
  2. sea water organisms
  3. brackish water organisms
  4. muddy water organisms

MCQ 937: First use of pure microbiological process in an industrial procedure was made by:

  1. Alexander Fleming
  2. Louis Pasteur
  3. Charles Darwin
  4. Chaim Weizmann

MCQ 938: Chronic Obstructive lung disease occurs because of:

  1. Chronic bronchitis only
  2. Emphysema only
  3. Asthma
  4. Chronic bronchitis and Emphysema

MCQ 939: Unsaturated fatty acid chains bend at places of:

  1. carbon molecules
  2. hydrogen molecules
  3. oxygen molecules
  4. nitrogen molecules

MCQ 940: Tadpole shaped viruses are largely:

  1. tobacco mosaic virus
  2. bacteriophages
  3. influenza virus
  4. may cause death

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