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Answer the following question:, 1. What is life processes?, 2. On what basis you can determine that a body is living or non- living ?, 3. What are the necessary raw materials required for human body?, 4. Why the process of diffusion is insufficient to fullfil the oxygen requirement of human body?, 5. The plants are living as we are! give reason., 6. How single cell organisms perform exchange of gases?, 7. What will happen if all the grasses and plants are vanished from the earth?, 8. Define Nutrition ?, 9. Write difference between autotrophic and heterotrophic nutrition ?, 10. how plants captures the sunlight in their body ?, 11. What is chlorophyll where it is present in the plant?, 12. Define photosynthesis & write its equation., 13. Name the form in which the plants store their food?, 14. What are the actual step which occur during photosynthesis?, 15. How desert plants perform photosynthesis?, 16. draw the well labelled diagram of cross section of leaf., 17. Write the function of opening and closing of stomata how it helps in exchange of gases?, 18. Draw well labelled diagram of opening and closing of stomata?, 19 . Define heterotrophic nutrition?, 20. Define saprophytic nutrition write its examples?, 21.Define parasitic nutrition write its examples?, 22. Define holozoic nutrition write its examples?, 23. How does Amoeba obtain its nutrition?, 24 . Draw a well labelled diagram for nutrition in amoeba?, 25. Explain all the steps involved in nutrition of amoeba?, Answer the following questions:All the questions are related to the activity(why sunlight is necessary for photosynthesis)., 1. Demonstrate an activity to show that sunlight is necessary for photosynthesis?, 2. Why the potted plant kept in the dark room for three four days?, 3. Why some part of one of the leaf is covered with the Aluminium foil?, 4. why we are again keeping the potted plant into the sunlight for some hours?, 5. why the plant leaf which we have covered boiled in water?, 6. why the above leaf is boiled in alcohol solution?, 7. why the beaker containing alcohol solution is not directly kept on the burner for boiling?, 8. How can we boil the alcohol solution in the water bath?, 9. what change do you observe in the colour of the leaf and the colour of the solution after boiling the above leaf?, 10. why we are again washing the above leaf in hot water after boiling in alcohol?, 11. why we are using iodine solution?, 12. what change do you observe after putting some drops of iodine solution on the above leaf?, 13. what can you conclude from the change in the colour of the leaf?, 14. what is the reason behind the change in the colour of the leaf?, 15. what can you conclude from the above activity?, Do the following questions for practice :Topic ( Human digestive system), 1. Name the part from where the digestion starts?, 2. Name the gland and the enzyme which secretes in our mouth? Also write its role., 3. What are peristaltic movement and where does they occur?, 4. Name the gland and the enzymes secreted in our stomach?, 5. What is role of HCl , mucus and pepsin in our digestion?, 6. Name the largest gland of our body?, 7. Name the enzyme secreted by liver ?, 8. Name the enzyme secreted by pancreas?, 9. Name the enzymes present in pancreatic juice?, 10. The acidic food from stomach has to make alkaline for X enzyme to act .Name the Y enzyme which make it alkaline. Also name X?, 11. Name the enzyme which change the complex fat into simple fat molecule?, 12. Name the protein digestive enzyme in our small intestine ?, 13. Name the carbohydrate digestive enzyme in small intestine?, 14. Name the emulsified fat digestive enzyme in our small intestine?, 15. Name the digestive juice which help in the final digestion of nutritions in our small intestine?, 16. Name the simplest form of the following Carbohydrate, protein, fats, 17.What are villi and how does the help in the absorption of the digestive food?, 18. What is the length of our small intestine?, 19. What is the length of large intestine?, 20. What is the role of large intestine in our digestion?, 21. Name the muscles which transfer the digestive food from the stomach to small intestine?, 22. Name the part which is responsible for the removal of waste material?, 23. Name the muscles which help the anus to remove the waste material from the body?, 24. Pepsin change the protein into _________., 25. Trypsin changed the peptones into ________., 26. Why the herbivorous are given only small intestine?, 27.Why the meat eating animals have only large intestine ?, 28. Name the part of human alimentary canal system where the complete digestion of proteins carbohydrates and fats occurs?, 29. Draw a well labelled diagram of human alimentary canal system?, 30. Why it is advised to chew the food properly before swallowing it?