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प्रश्न
Who is telling a lie?
Tongue: My taste-buds can tell only a sweet taste.
विकल्प
Truth
Lie
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उत्तर
Lie
Explanation:
The tongue can taste salt, sweet and bitter tastes.
संबंधित प्रश्न
Which part of the digestive canal is involved in:
Absorption of food ______.
Label the following figure of the digestive system.
A part of the human digestive system
Describe one way in which the small intestine is adapted for the absorption of digested food.
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.
Give Scientific reasons:
Consuming iodized salt in day to day diet is essential.
Last molar tooth in human beings is called ______.
Fill in the blanks.
The ______ and ______ are used for crushing and grinding the food.
Name the following
The organ where protein digestion-begins
Name the types of teeth seen in humans.
Define the following term:
Egestion
Define homodont dentition.
Write short answers
What is peristalsis?
Define with examples: Herbivores
Name the enzymes secreted by the following: Ileum
Identify the correct human dental formula.
Select the correct pair of peptide hormones secreted by the alimentary canal.
Observe the diagram of Human digestive system.
Match the labeling referred in column I and correlate with the function in column II.
| Column I | Column II | |
| i. | a. | The length of this depends on food the organism eats. |
| ii. | b. | Initial phase of starch digestion |
| iii. | c. | Increase the efficiency of lipase enzyme action |
| iv. | d. | This is the site of the complete digestion of carbohydrates, proteins and fats. |
Rearrange the jumbled sequence of the different parts of the alimentary canal in proper sequence, (esophagus, small intestine, stomach, large intestine, anus, mouth, rectum)
