Foundation Builder
Biology Assignment - 2
Board:
CBSE
Topic:
Life Processes
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1. The finger like
projections called villi help in
(a) Increasing the
surface area for absorption (b) Decreasing the surface area for absorption
(c) Increasing the
surface area for adsorption (d) Increase the efficiency of enzyme action
2. The pancreas pour
their secretions into the
(a) Small intestine (b) Stomach
(c) Large intestine (d) Duodenum
3. Name the digestive
glands of humans.
4. What role do the following enzymes play in digestion?
(a) Ptyalin (b) Lipase (c) Pepsin
5. Write the dental formula for milk teeth.
6. Where is bile made and stored?
7. How are fats digested in our bodies? Where
does this process take place?
8. What is the role of saliva in the
digestion of food?
9. Amoeba does not have
stomach. Then how does it gain its nutrition?
10. Name the glands that
are associated with digestive system of man.
11. Explain the process of
digestion of food in mouth, stomach and small intestine.
12. Draw a diagram of
human alimentary canal and label on it :
Oesophagus,
Gallbladder, Liver, Pancreases
13. Explain the statement
: Bile does not contain any enzyme but it is essential for digestion.
14. What is the function
of liver in human body?
15. Write the steps
involved in nutrition in amoeba.
