CBSE Important Questions

Science Class X

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Life processes

  1. How do the guard cells regulate opening and closing of stomatal pores? Explain with the help on diagram.
  2. Why nutrition a necessity for an organism?
  3. What is likely to happen if green plants disappear from earth?
  4. Draw a diagram of human alimentary canal.
  5. List two vital functions of the kidneys?
  6. What happen to glucose that enters the nephron along with filtrate?
  7. Write two difference between autotrophic nutrition and heterotrophic nutrition?
  8. What is nutrition?
  9. What is excretion?
  10. What is respiration?
  11. What is breathing?
  12. What are Autotrophs?
  13. What is the role of acid in our stomach?
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