Q. 1. What are life processes?
Q. 2. What outside raw materials, are used for life by an organism?
Q. 3. What are enzymes?
Q. 4. Explain the action of saliva secreted from salivary glands on the food?
Q. 5. Name the common process, both in the aerobic and anaerobic respirations?
Q. 6. Name the products produced by the fermentation of glucose by the yeast cell?
Q. 7. Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?
Q. 8. Name the functional unit of human kidney?
Q. 9. The xylem in plants is responsible for __________.
Q. 10. Define photosynthesis?
Q. 11. What substances are contained in the gastric juice? What are their function?
Q. 12. What are the various processes that take place in the duodenum?
Q. 13. What the different types of hetrotropic nutrition?
Q. 14. Show by experiment that sunlight is necessary for photosyntheses?
Q. 15. Name the type of resperation in which the end products are: _______________.
Q. 16. Describe the process of anaerobic resperation?
Q. 17. Distinguish between breathing and respiration?
Q. 18. Differentiate between artery and vein?
Q. 19. Give examples of solid, liquid and gaseous wastes in plants?
Q. 20. Explain the nutrition process in amoeba?
Q. 21. Write important functions of blood?
Q. 22. Describe double circulation in human beings. Why is it necessary?
Q. 23. Compare the functioning of an alveolie in lungs and nephrons in the kidneys with respect to their structure and functioning?
Q. 24. Explain the mechanism of the circulation of blood in human body?
Q. 25. What criteria do we use to decide wheather something is alive?
Q. 26. What is the role of acid in our stomach?
Q. 27. How is oxygen and carbon dioxidetransported in human beings?
Q. 28. What are the component of the transport system in human beings? What are the functional of these components?
Q. 29. What are the components of the transport system in highly organised plants?
Q. 30. Describe the structure and functioning of nephrons?
Q. 31. How is the amount of urine produced regulated?
Q. 32. What is the role of saliva in the digestion of food?
