Advertisements
Advertisements
Question
The process of digestion starts from the ______.
Options
stomach
mouth
Advertisements
Solution
The process of digestion starts from the mouth.
Explanation:
The digestive system consists of the alimentary canal and digestive glands. The total length of alimentary canal is about 9 metres. Its main parts are the · mouth, ·pharynx, oesophagus, stomach, small intestine, large intestine, rectum and anus. The salivary glands, liver and pancreas are the · digestive glands connected to the alimentary canal.
RELATED QUESTIONS
The tongue helps in mixing food with saliva.
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 |
Label the following figure of the digestive system.

A part of the human digestive system
In human digestive system, the enzymes pepsin and trypsin are secreted respectively by:
(a) pancreas and liver
(b) stomach and salivary glands
(c) pancreas and gall bladder
(d) stomach and pancreas
What is the dental formula of a normal human adult?
Give Scientific reasons:
Consuming iodized salt in day to day diet is essential.
Fill in the blanks.
The ______ and ______ are used for crushing and grinding the food.
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 true or false for the below statement. Rewrite the false statements correctly.
The removal of faeces through the anus is called excretion.
Write short answers
Write the names of three enzymes which are found in pancreatic juice.
Define with examples: Omnivores
State one difference in nutrition: Holozoic and Saprozoic nutrition
Correct the spellings: Carboxytipepdase
Describe the process of digestion in human beings.
The question has four options. Choose the correct answer:
Parotid salivary glands occur
A calcified connective tissue from which the basic shape of the tooth is derived is known as ______.
In which part of the alimentary canal food is finally digested?
The enzymes present in the saliva convert ______.
Curdling of milk protein is done by ______.
What is chyme?
