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प्रश्न
Read carefully the terms given below. Which of the following set is the correct combination of organs that do not carry out any digestive functions?
विकल्प
Oesophagus, Large Intestine, Rectum
Buccal cavity, Oesophagus, Rectum
Buccal cavity, Oesophagus, Large Intestine
Small Intestine, Large Intestine, Rectum
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उत्तर
Oesophagus, Large Intestine, Rectum
Explanation:
Oesophagus gently pushes food down to the stomach in a wave like action called peristalsis. No digestion takes place in the oesophagus.
In large intestine, undigested food enters where water is absorbed from it. No digestion takes place in the large intestine.
In rectum, semi-solid residue is stored and is finally thrown out of the body through the anus in the form of faeces. No digestion takes place in the rectum.
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संबंधित प्रश्न
Which of the organs perform the following functions in humans Absorption of water?
What is meant by life processes? Name the basic life processes common to all living organisms which are essential for maintaining life.
Write true or false for the below statement. Rewrite the false statements correctly.
Digestion of food in the intestine takes place in the presence of dilute hydrochloric acid.
Write short answers
What is ingestion?
Define with examples: Omnivores
Define digestion.
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 | ||
Sketch and label a diagram of the digestive system and describe it in your own words.
Select the correct pair of peptide hormones secreted by the alimentary canal.
Give two reasons, why bile juice is considered to be an important secretion of liver in the process of digestion?
