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प्रश्न
Which part of the digestive canal is involved in:
Killing of bacteria ______.
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उत्तर
Killing of bacteria stomach.
APPEARS IN
संबंधित प्रश्न
The gall bladder temporarily stores bile.
Describe one way in which the small intestine is adapted for the absorption of digested food.
Which of the following is the correct sequence of parts as they occur in the human alimentary canal?
| 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?
List in tabular form two differences between pepsin and trypsin.
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
The stomach secretes gastric juice, which contains hydrochloric acid. What is its function?
Prepare a possible vegetarian menu for your dinner which would provide all the necessary nutrients.
Fill in the blanks.
The ______ and ______ are used for crushing and grinding the food.
Find the odd one out. Give reasons for your choice.
Mention the different types of nutrition?
State one difference in nutrition: Holophylic and Holozoic
The question has four options. Choose the correct answer:
The hardest constituent of the tooth is
Observe the diagram. This is the histological structure of the stomach. Identify and comment on the significance of the layer marked by an arrow.
The process by which the body removes waste is called ______.
Circle the odd one.
Identify the labels i, ii, iii, and iv in the given diagram of tooth anatomy.
Liver produces for ______ the digestion of fat.
In which of the following groups of organisms, food material is broken down outside the body and absorbed?
Given below from (i) to (iv) are some food items.
- Boiled and mashed potato
- Glucose solution
- A slice of bread
- Mustard oil
Which of the above will give a blue-black colour when tested with iodine?
