Life processes Worksheets

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______.

Life Processes Worksheet-29

True or False:

1. Saprophytic involves the taking in of solid particles of food which have to be further broken down into simpler particles inside the organism.

2. The bolus is partially digested in stomach is now called the Chyme.

3. Absorption of food means transport and utilization of simplified form of food to different parts of the body/ cell.

4. Amoeba is an omnivorous organism that feeds on both plants and animals.

5. In amoeba, release of undigested food is known as endocytosis.

6. Human beings show organ level of body organization.

Life Processes Worksheet-30

Multiple Choice Questions:

1. Which is the first part of the small intestine?

(a) Ileum           (b) Jejunum      (c) Duodenum  (d) Caecum

2. Amoeba ingests food material with the help of:

(a) Cytoplasm                                (b) Pseudopodia

(c) Vacuole                                     (d) all of the above