(Two marks questions) 1.What is emulsification? Name the organ where fat is emulsified in the alimentary canal of human beings? 2. Why do fishes die when taken out of water? 3. What causes movement of food inside the alimentary canal? 4. Name the organ/glands where the following enzymes are secreted in human digestive system? ( a) pepsin (b) trypsin (c) lipase (d) amylase 5. Name the parts of the body responsible for excretion in (i)amoeba (ii) earthworm 6. Which gland secretes a harmone when the blood sugar rises? Name a digestive enzyme released by this gland? 7. Write the function of testosterone and oestrogen? 8. We suddenly withdraw our hand when a pin pricks. Name the type of response involved in this action. Draw a flow chart also. 9. Why is cigarette smoking injurious to health? 10. What will happen if intake of iodine in our diet is low?
Posted on: Thu, 29 May 2014 02:28:58 +0000
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