Photosynthesis: O Level Biology Quiz Questions and Answers 351 PDF Book Download

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Quiz on Photosynthesis: O Level Biology Worksheet 351Quiz Book Download

Photosynthesis: O Level Biology Quiz

MCQ: Due to chemical energy, water and carbon dioxide are converted into

  1. cellulose
  2. carbohydrates
  3. photolysis of water
  4. starch


Mode of action of heart Quiz

MCQ: Atria and ventricles

  1. work simultaneously
  2. work alternately
  3. work unproportionally
  4. work proportionally


Mammalian Skin Quiz

MCQ: Convection may reduces body temperature through

  1. excessive sweating
  2. sitting in front of a fan
  3. bathing
  4. expiration


Structure of Mammalian Skin Quiz

MCQ: All are functions of cornified layer, but,

  1. to protect against germ enter
  2. prevent uncontrolled water evaporation
  3. replace granular layer
  4. to protect soles of feet


Heart: O Level Biology Quiz

MCQ: Superior vena cava is also called as

  1. pulmonary arch
  2. common anterior
  3. tricuspid artery
  4. bicuspid valve