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प्रश्न
What do you mean by nutrition?
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उत्तर
Nutrition can be defined as the process which involves the utilization of food by an animal to obtain energy for growth and development.
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संबंधित प्रश्न
If the saliva is lacking in salivary amylase, then which of the following processes taking place in the buccal cavity will be affected?
| When a person eats sugary food, then organisms A present in his mouth act on sugar to produce a substance B. The substance B first dissolves the calcium salts from the top part C of the tooth and then from its middle part D forming holes E. These holes ultimately reach the part F in the lower part of tooth which contains nerves and blood vessels. The substance B irritates the nerve endings inside the tooth causing toothache. |
- What are (i) organisms A, and (ii) substance B?
- What are (i) part C, and (ii) part D, of tooth known as?
- By what name are the holes E in the tooth known?
- Name the part F of the tooth.
- What will happen if organisms A reach part F of the tooth known?
Explain the process of digestion of food in mouth, stomach and small intestine in human body.
Gastric juice contains
What are the main characteristics of enzyme?
Fill in the blank.
The _______ are used for tearing the food.
Name the digestive juice secreted by the stomach and give its function.
Answer in detail.
You had eaten bread in the morning. Starting from the mouth, explain how it is digested?
State one difference in nutrition: Parasite and Saprophyte
Name the enzymes secreted by the following: Pancreas
The question has four options. Choose the correct answer:
The amount of saliva produced per day in human is
The question has four options. Choose the correct answer:
Monophyodont teeth occur in
Circle the odd one.
______ is the common passage of air and food.
The contraction and expansion movement of the walls of the food pipe is called ____________.
The digestive glands associated with the alimentary canal are ______.
How do fats get digested in human beings?
Digestion of food starts in ______ and gets completed in ______.
What are the end products of digestion of starch, proteins, and fats respectively?
How does tooth enamel get corroded? What is the preventive measure for this?
