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प्रश्न
A group of organs together make up an ______ system.
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उत्तर
A group of organs together make up an organ system.
संबंधित प्रश्न
Where is the bile produced? Which component of the food does it help to digest?
Which part of the digestive canal is involved in:
Complete digestion of food ______.
What substances are contained in gastric juice? What are their functions?
What is the function of enzymes in the human digestive system?
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?
With which human organ system (or human systems) is villi associated?
Consider the following two statements A and B and select the right option from (i)-(iv) about their correctness.
- Small intestine is shorter than large intestine.
- Small intestine is wider than large intestine.
Options :
(i)Both the statements are correct
(ii) Both the statements are wrong
(iii) Statement A is correct, B is wrong
(iv) Statement B is correct, A is wrong
Study the diagram given below and then answer the question that follows:
Name the parts labelled 1, 2, 3, 4, 5 and 6.
Write four sequential steps of the procedure of the experiment "Preparing a temporary mount of a leaf peel to show stomata".
Rewrite the following parts of the human alimentary canal in their correct sequence Stomach, Oesophagus, Large instestine, Small intestine, Pharynx.
Define the term ‘digestion’.
Write true or false for the below statement. Rewrite the false statements correctly.
The pancreas secretes bile juice
Write short answers
What is ingestion?
Answer in detail.
What changes occur in food in the mouth?
The question has four options. Choose the correct answer:
The organ that stores bile is
Give a reason.
Food becomes acidic in the stomach.
Circle the odd one.
A calcified connective tissue from which the basic shape of the tooth is derived is known as ______.
Secretions of ____________ lubricate the lumen of 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. |
