Advertisements
Advertisements
प्रश्न
Give reasons for the following:
All teeth in the mouth are not alike.
उत्तर
The dentition in animals is based on the type of food they eat. So we have different kinds of teeth.
All teeth in the mouth are not alike as we eat both meat and plants. Due to different types of food eating habits teeth are of different types.
APPEARS IN
संबंधित प्रश्न
What is the special name of the contraction and expansion movement which pushes the food further in our digestive tract (or alimentary canal)?
If the saliva is lacking in salivary amylase, then which of the following processes taking place in the buccal cavity will be affected?
(a) proteins breaking down into amino acids
(b) starch breaking down into sugars
(c) fats breaking down into fatty acids and glycerol
(d) intestinal layer breaking down leading to ulcers
Fill in the blanks in the table (1-5) by selecting the suitable names of substances from the list given below:
(steapsin, peptones, fatty acids, proteoses, protein).
| Digestive Enzymes | Acts on | To convert into |
| (i) Pepsin | _________(2) | ________(3) and |
| (ii) _______(1) | Fats |
________(4) _________(5) |
Write true or false for the below statement. Rewrite the false statements correctly.
The process of taking in food is called assimilation
Put the following processes in their correct sequence of occurrence during digestion.
peristalsis; tongue pushes the food; grinding and mixing saliva; cutting and tearing of food
The question has four options. Choose the correct answer:
The hardest constituent of the tooth is
What bodily needs or sensations do you become aware of even though you are reading a book?
Match the two columns and select correct option.
| Column - I | Column - II | ||
| i. | Sphincter of Oddi | a. | Oesophagus and stomach |
| ii. |
Ileo-caecal sphincter |
b. | Stomach and small intestine |
| iii. | Pyloric sphincter | c | Ileum and caecum |
| iv. |
Gastro-oesophageal sphincter |
d. | Opening of hepato- pancreatic duct |
A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water contains:
Give two reasons, why bile juice is considered to be an important secretion of liver in the process of digestion?
