Class X Physics & Biology Holiday home work.

Class X Physics Holiday home work.
1.Ray diagrams showing the image formation by concave and convex mirrors
2. Solve all the exercise numerical with concave and convex mirrors.

 

BIOLOGY QUESTIONS:

  1. List three differences between respiration in plants and respiration in animals.
  2. How is respiration different from breathing ?
  3. What are the methods used by plant to get rid of excretory products ?
  4. How does aerobic respiration differ from anaerobic respiration ?
  5. Why small intestine in herbivores longer than in carnivores ?
  6. What is the advantages of having 4 chambered heart  ?
  7. Explain the process of nutrition in amoeba .
  8. What will happen if platelets were absent in the blood ?
  9. Why is transpiration important for plants ?
  10. Draw the diagram of alimentary canal of man and label the parts.
  11. Draw neat labeled diagram of human respiratory system.
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