Human Nutrition Biology - Human Nutrition

Complete the analogy:Ptyalin: Amylase : : Pepsin : …………….. .

Select odd one out on the basis of digestive functions of tongue.

Which type of teeth are maximum in number in human buccal cavity?

Acinar cells are present in ……………..

What is gross calorific value?

Who controls the deglutition?

What is balanced diet?

Enlist life processes that provide us energy to perform different activities.

Find out pH maxima for salivary amylase, trypsin, nucleotidase and pepsin and place on the given pH scale

Observe the following reactions and explain in words

You have studied the representation of enzymatic actions in the form of reactions.Write the reactions of pancreatic enzymes.

Food remains for a very short time in mouth but action of salivary amylase continues for further IS to 30 minutes till gastric juice mixes with food in the stomach. Why do you think it stops after the food gets mixed with gastric juice?

Is deglutition voluntary or involuntary?

Explain the terms undernourished, over-nourished and malnourished in details.

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?

Digestive action of pepsin comes to a stop when food reaches small intestine. Justify.

Alcoholic people may suffer from liver disorder. Do you agree? Explain your answer.

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?

A person visited a pediatrician with his one-year old child complaining about the child’s weight loss and diarrhoea. The doctor examines the child and finds that his limbs have become thin, the skin has become dry as well as thin and wrinkled but there is no oedema on the body.
From this information answer the following questions:
i. Which disease child is suffering from?
ii. What is the probable reason for the disease?
iii. What would be the remedies and diet suggested by the doctor?

Digestion of fats take place only after the food reaches small intestine. Give reason.

Differentiate between Chyme and Chyle.

What is a proenzyme? Enlist various proenzymes involved in process of digestion and state their function.

Make a flow chart for digestion of carbohydrate.

Liver is a vital organ. Justify.

How can I keep my pancreas healthy? Can a person live without pancreas?

Are jaundice and hepatitis same disorders?

Find out the status of nialnutrition among children in Maharashtra and efforts taken by the government to overcome the situation. Search for various NGOs working in this field.

What is heartburn? Why do we take antacids to control it?

You must have heard about appendicitis. It is inflammation of appendix. Find more information about this disorder.

Distinguish between Kwashiorkor and Marasnius.

Differentiate between Small Intestine and Large Intestine

i.	Crypts of Lieberkuhn	P	Pancreas
ii.	Glisson’s Capsule	q.	Duodenum
iii.	Islets of Langerhans	r.	Small intestine
iv.	Brunner’s Glands	s.	Liver

Select the correct option from the following:
(A) i – r, ii – s, iii – p, iv – q
(B) i – r, ii – q, iii – p, iv – s
(C) i – r, ii – p, iii – q, iv – s
(D) i – q, ii – s, iii – p, iv – r

Alcoholism causes different disorders of liver like steatosis (fatty liver), alcoholic hepatitis, fibrosis and cirrhosis. Collect more information on these disorders and try to increase awareness against alcoholism in society. Collect information about NGOs working against alcoholism.

Label the diagram

Draw a neat and labelled diagram of stomach and write a short note on it.

Observe the chart given on textbook page no. 169 to find out absorption in various parts of alimentary canal.

What is absorption? Mention the absorption of nutrients and other substances in alimentary canal?

Bile juice and pancreatic juice are poured in duodenum through _________ duct.

Mucus plus intestinal enzymes together constitute intestinal juice or ________.

The ________ of mucosa produce mucus.

________ are also required in small quantities for nutrition.

Food provides _________ for growth and tissue repair.