Week 3 Quiz 1. The telegraphic code is known after him   A. Einstein   B. Louis Pasteur   C. Samuel Morse   2. Lack of which vitamin causes beri beri?   A. C   B. B   C. K   3. This is destroyed when food is cooked for a long time?   A. Folic Acid   B. Oxygen   C. Poison   4. What is the name given to a young tree?   A. a twig   B. a sapling   C. a treeling   5. How many pairs of chromosomes does a normal human have?   A. 21   B. 19   C. 23   6. The liquid in the mouth that lubricates food is called __________.   A. saliva   B. juice   C. mucus   7. The centre of an atom is called its ____________   A. nuclues   B. proton   C. electron   8. What are the two main gases in the atmosphere?   A. Hydrogen and Oxygen   B. Carbon Dioxide and Helium   C. Nitrogen and Oxygen   9. Meat-eating animals are called ____________   A. carnivores   B. herbivores   C. thesaurus   10. Which gas is used to kill bacteria?   A. Hydrogen   B. Carbon Dioxide   C. Chroline   Sorry, submission for the Quiz is closed.

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