Metal pollution Quiz Questions and Answers 4 PDF Download

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Quiz on Metal pollution Worksheet 4 Download PDF

Metal pollution Quiz

MCQ: Potassium and sodium, helps in preserving a proper electrochemical balance, extending towards;

  1. Organs
  2. plasma membrane
  3. Limbs
  4. kidneys


Sources of Sound in Ocean Quiz

MCQ: In 1996, a Comprehensive 'Test Ban' Treaty was signed by all countries, aiming at stoppng;

  1. nuclear testing
  2. fishing
  3. researches
  4. pollution


Halogenated Hydrocarbons Quiz

MCQ: Toxaphene' is formed by chlorination of;

  1. Non Metals
  2. Metals
  3. Halogens
  4. All of above


Run off from Land Quiz

MCQ: Algal bloom' is a massive growth of unicellular algae in the;

  1. Rain
  2. Industries
  3. Sea
  4. water


Ships Quiz

MCQ: 'ballast' water contains a number of;

  1. Animals
  2. Planktons
  3. Microscopic organisms
  4. sea creature