Advertisements
Advertisements
प्रश्न
Name the following
The organ where protein digestion-begins
Advertisements
उत्तर
The organ where protein digestion-begins Stomach
APPEARS IN
संबंधित प्रश्न
The stomach releases hydrochloric acid and ______ juices which act on 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?
Give any four reasons why water is necessary in our body.
Draw a labelled diagram to show the internal structure of a mammalian tooth with two roots.
Write True or False in the following statement
Molars help in cutting and tearing food.
Given alongside is the diagram of the human alimentary canal.
(i) Name the parts 1-11 indicated by guidelines.
1.____ 2.____ 3.____ 4.____ 5.____ 6.____ 7.____ 8.____ 9.____ 10.___ 11.____
(ii) State the function of the juice secreted by the part 1.
(iii) State the function of the three enzymes found in the juice secreted by part 3.
Fill in the blanks.
______ and ______ help in digestion but food does not pass through them.
Name the salivary glands in our mouth?
______ is the common passage of air and food.
Identify the option that indicates the correct enzyme that is secreted in location A, B and C.
