Скачать или смотреть Human Nutrition biology class 11 chapter 14 NOTES

Human Nutrition biology class 11 chapter 14 NOTES




problems solved:

1. Choose correct option
A. Acinar cells are present in ...........
a. liver b. pancreas
c. gastric glands d. intestinal glands
B. Which type of teeth are maximum in
number in human buccal cavity?
a. Incisors b. Canines
c. Premolars d. Molars
C. Select odd one out on the basis of
digestive functions of tongue.
a. Taste b. Swallowing
c. Talking d. Mixing of saliva in food
D. Complete the analogy:
Ptyalin: Amylase : : Pepsin :
................. .
a. Lipase b. Galactose
c. Proenzyme d. Protease
2. Answer the following questions
A. For the school athletic meet, Shriya was
advised to consume either Glucon-D or
fruit juice but no sugarcane juice. Why it
must be so?
B. Alcoholic people may suffer from liver
disorder. Do you agree? Explain your
answer.
C. Digestive action of pepsin comes to a
stop when food reaches small intestine.
Justify.
D. Small intestine is very long and coiled.
Even if we jump and run, why it does not
get twisted? What can happen if it gets
twisted?
3. Write down the explanation
A. Digestive enzymes are secreted at
appropriate time in our body. How does
it happen?
B. Explain the structure of tooth. Explain
why human dentition is considered as
thecodont, diphydont and heterodont.
C. Explain heterocrine nature of pancreas
with the help of histological structure.
4. Write short note on
A. Position and function of salivary glands.
B. Jaundice
5. Observe the diagram. This is histological
structure of stomach. Identify and
comment on significance of the layer
marked by arrow
6. Find out pH maxima for salivary
amylase, trypsin, nucleotidase and pepsin
and place on the given pH scale
1 2 3 4 5 6 7 8 9 10 11 12 13 14
7. Write the name of a protein deficiency
disorder and write symptoms of it
8. Observe the diagram given below label
the A, B, C, D, E and write the function
of A, C in detail.
Exercise

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