Science Problems Junior 2 : Photosynthesis, Nutrients, Digestion, egestion, fats, proteins, minerals

DAILY TEST I  SCIENCE
CLASS VIII
Fill the blank

  1. Photosynthesis is….
  2. Nutrients are….
  3. Carbohydrates are..
  4. Fats are…
  5.  Proteins are..
  6.   Minerals are…..
  7. About ……. Persen of the human body is water
  8. Digestion is…
  9. Breakdown  food by using teeth is called…
  10.  Breakdown food by using enymes is called…
  11. A catalyst is..
  12. The water that occurs in your mouth is called…..
  13. Saliva is 99% water but it also contains a slimy substance called mucin and an enzyme called….
  14.  The wave muscular contraction when you swallow food is called…….
  15. There are two glands in stomach, they are…
  16. The function of hydrochloric acid in stomach is…..
  17. Amino acid is…
  18.   Egestion is…
  19. What is chyme
  20. Why your body needs to break down food.


ESSAY
  1. Draw the figure of stomach, duodenum, liver and pancreas
  2. Write down the nutrients that human body needs
  3. Explain the physical breakdown of food
  4. Explain the chemical breakdown of food
  5. What is the function of bile?
  6. What is the function of pepsin?
  7. What is function of amylase?
  8.  What is malnutrition?
  9. What is urine
  10.  Why you need study science


Tidak ada komentar:

Posting Komentar