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प्रश्न
Choose the correct order of terms that describes the process of nutrition in ruminants.
विकल्प
swallowing → partial digestion → chewing of cud → complete digestion
chewing of cud → swallowing → partial digestion → complete digestion
chewing of cud → swallowing → mixing with digestive juices → digestion
swallowing → chewing and mixing → partial digestion → complete digestion
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उत्तर
swallowing → partial digestion → chewing of cud → complete digestion
Explanation:
The process of nutrition in ruminants is swallowing → partial digestion → chewing of cud → complete digestion.
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संबंधित प्रश्न
How is the small intestine designed to absorb digested food?
Match the items of Column I with suitable items in Column II.
| Column I | Column II | ||
| (a) | Salivary gland | (i) | Bile juice secretion |
| (b) | Stomach | (ii) | Storage of undigested food |
| (c) | Liver | (iii) | Saliva secretion |
| (d) | Rectum | (iv) | Acid release |
| (e) | Small intestine | (v) | Digestion is completed |
| (f) | Large intestine | (vi) | Absorption of water |
| (vii) | Release of faeces |
What substance is mixed with food in the mouth during chewing by the teeth?
In which part of the digestive system is water absorbed?
Name the biological catalysts which bring about chemical digestion of food.
| 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?
| If the teeth are not cleaned regularly, they become covered with a sticky yellowish layer W of food particles and bacteria. Since layer W covers the teeth, the alkaline liquid X secreted by glands Y inside the mouth cannot reach the teeth surface to neutralise the acid formed by the action of organisms Z on sugary food, and hence tooth decay sets in. |
- What is W known as?
- What are (i) X and (ii) Y?
- What are organisms Z?
- State one way of removing layer W from the teeth.
Write the function of the following in the human alimentary canal:
Saliva
What is the role of the liver and the pancreas respectively in the digestion of food?
Define homodont dentition.
State one difference in nutrition: Autotroph and Heterotroph
The question has four options. Choose the correct answer:
Common passage for swallowing food and breathing is
Sketch and label a diagram of the digestive system and describe it in your own words.
Name the organs of the digestive system
Secretions of ____________ lubricate the lumen of the alimentary canal.
Identify the labels i, ii, iii, and iv in the given diagram of tooth anatomy.
Liver produces for ______ the digestion of fat.
What is a vermiform appendix?
In which layer of the wall of alimentary canal, secretary glands are present?
