Q10 of 17 Page 20

Write at least one similarity and one difference between nutrition in amoeba and human being.

Similarity: Both amoeba and human beings are heterotrophs as they drive their food from other plants or animals.


Difference: In humans, digestive juices are secreted in the buccal cavity, stomach and small intestine. Whereas in Amoeba, digestive juices are secreted only in the food vacuole.


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8

Why do we get instant energy from glucose?

 9

Which part of the digestive canal is involved in:

i. absorption of food_________.


ii. Chewing of food___________.


iii. Killing of bacteria_________.


iv. Complete digestion of food___________.


v. formation of faces ________.

 11

Match the items of Column I with suitable items in Column II:



































Column I



Column II



a. Salivary gland



i. Bile juice secretion



b. Stomach



ii.Storage of undigested food.



c. Liver



iii. Saliva secretion



d. Rectum



iv. Acid release



e. Small intestine



v.Digestion is completed



f. Large intestine



vi.Absorption of water




vii. Release of faces


 12

Label figure of the digestive system: