Life Processes- Nutrition (Class 10)

1. What is Nutrition?
2. What is Autotrophic Nutrition? Give two examples.
3. What is Heterotrophic Nutrition? Give two examples. 
 4. What are the raw materials required for photosynthesis? 
 5. What is Photosynthesis? Write the balanced equation for photosynthesis. 
6. Write the steps involved in photosynthesis. 
7. How does stomatal pores open and close? 
8. Suggest one activity to show the presence of starch in leaves. 
9. Green color of leaves is caused by presence of which pigment? 
10. Which element is essential for the synthesis of proteins and other compounds in plants? 
11. Write three elements necessary for plants. 
12. How is nitrogen absorbed by plants? 
13. How does Amoeba obtain its food? 
14. How does Paramecium obtain its food? 
15. Write down the name of three glands included in the digestive system. 
16. What are enzymes? 
17. What is peristaltic movement? 
18. Which gland is present in mouth and what is its function? 
19. How gastric gland helps in digestion of food. 
20. Write down the various steps of digestion of food in human beings. 
21. Which Gland produces enzymes that help to break down fat? 
22. What is the purpose of pancreas in human beings? 
 23. What is the purpose of small intestine? 
24. What is villi? 
25. What causes tooth decay?

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