Chapter 12 (Nutrition) F.Sc 1st Year Biology Short Questions

Why some people never become fat or obese?

Some people never seem to get fat no matter how much they eat, while others lay down fat when their intake only just exceeds, their need. The explanation probably lies in the balance of hormones which, to some extent, is determined by heredity.

What is obesity?

It is the term employed when a person has abnormal amount of fat on the body. If one eats too much food than body requirement, the surplus is stored as fat so becomes overweight or obese (fat).

What are the effects of obesity?

An obese (fat) person is much more likely to suffer from high blood pressure, heart disease, diabetes mellitus, stomach disorder than a person who has normal body weight.

What is anorexia nervosa?

This term is employed to the loss of appetite due to the fear of becoming obese. Such a feeling is common in human females between the age of 12 and 21 years.

What is Bulimia nervosa?

It is neurotic disorder in slightly older girls. It is characterized by bouts (short periods) of over eating fattening food such as fried food or cream cakes.

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