Life Processes Worksheet-28

Life Processes Worksheet-28

Fill in the blanks:

21. The enzyme secreted in stomach by gastric glands is______.

22. _______ molecules are partially digested by the enzyme ptyalin in buccal cavity.

23. ______ juice is secreted by pancreas which helps in digestion of food in intestine.

24. A flexible, triangular and muscular structure present inside the buccal cavity is known as _____.

25. Tongue helps in tasting the food due to the presence of_______.

26. Finger like projections of small intestine are known as______.

27. Rhythmic contraction and relaxation of oesophageal muscles which pushes the food towards stomach is known as _______.

28. Starch is digested ______ and _______ in buccal cavity.

29. ______ is the largest digestive gland in human beings.

30. Bile juice provides ____ medium for the functioning of pancreatic and intestinal enzymes.

31. Lipid digesting enzyme secreted by pancreatic juice is ______.

32. Lipids are converted to ______and ______ in intestine.

33. Peptone and peptides are the partially digested form of______.

34. Carbohydrates are completely digested to small units called ___ in ___.

35. ___ glands secretes enzymes for the complete digestion of food.

36. Water reabsorption from undigested food occurs in _______ intestine.

37. Digestion of carbohydrates occurs in ______ and ______.

38. ______ are digested only in small intestine.

39. Undigested food is temporarily stored in ______ part of alimentary canal.

40. ___, ____ and ___ glands are located in alimentary glands itself.

Answer:

21. Pepsin

22. Starch

23. Pancreatic

24. Tongue

25. taste buds

26. Villi

27. Peristalsis.

28. maltose, dextrins

29. liver

30. alkaline

31. lipase

32. fatty acids, glycerol

33. protein

34. monosaccharides, small intestine

35. intestinal

36. large

37. buccal cavity, small intestine

38. lipids

39. rectum

40. salivary, gastric, intestinal