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प्रश्न
Match items in column A with the appropriate items in Column B:
| Column A | Column B | ||
| 1 | HCl | a | Lactose |
| 2 | Rennin | b | Pellagra |
| 3 | Enteropeptidase | c | Rumen |
| 4 | Cellulose | d | Pepsin |
| 5 | Ptyalin | e | Starch |
| 6 | Vitamin | f | Pernicious anaemia |
| 7 | Intestinal juice | g | Trypsin |
| 8 | Bile salt | h | Casein |
| 9 | Vitamin A | i | Micelle |
| 10 | Goitre | j | Night-blindness |
| k | Iodine | ||
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उत्तर
| Column A | Column B | ||
| 1 | HCl | d | Pepsin |
| 2 | Rennin | h | Casein |
| 3 | Enteropeptidase | g | Trypsin |
| 4 | Cellulose | c | Rumen |
| 5 | Ptyalin | e | Starch |
| 6 | Vitamin | f | Pernicious anaemia |
| 7 | Intestinal juice | a | Lactose |
| 8 | Bile salt | i | Micelle |
| 9 | Vitamin A | j | Night-blindness |
| 10 | Goitre | k | Iodine |
| b | Pellagra | ||
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संबंधित प्रश्न
Which of the organs performs the function in humans?
Absorption of food
What is the other name of food pipe?
Define a nutrient.
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.
(a) What are (i) organisms A, and (ii) substance B?
(b) What are (i) part C, and (ii) part D, of tooth known as?
(c) By what name are the holes E in the tooth known?
(d) Name the part F of the tooth.
(e) What will happen if organisms A reach part F of the tooth known?
What is the dental formula of a normal human adult?
How is thorough chewing of food helpful in digestion?
Draw a labelled diagram to show the internal structure of a mammalian tooth with two roots.
Study the following dental formula and then answer the question that follow:
`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
State the total number of teeth present in the dentition.
Fill in the blank.
Molars are meant for _____ the food.
Name the three regions of the large intestine.
Rewrite the following parts of the human alimentary canal in their correct sequence Stomach, Oesophagus, Large instestine, Small intestine, Pharynx.
Write short answers
What is ingestion?
Mark odd one in the series:
Who is telling a lie?
Lung: I play an important role in excretion.
Observe the diagram. This is the histological structure of the stomach. Identify and comment on the significance of the layer marked by an arrow.
List out the functions of the digestive system.
Circle the odd one.
(i)______ and (ii)______ form the common bile duct.
The process of digestion is completed by:
