Advertisements
Advertisements
प्रश्न
Define digestion.
Advertisements
उत्तर
It is the breaking down of complex insoluble food components into simple soluble substances.
APPEARS IN
संबंधित प्रश्न
What is the role of saliva in the digestion of food?
Which part of the digestive canal is involved in:
Killing of bacteria ______.
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 |
Define a nutrient.
Name the main organs of the human digestive system.
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
Fill in the blank.
The _______ is a common opening of food pipe and windpipe
Identify and name the four type of teeth shown below and give their functions
Name the three regions of the large intestine.
Fill in the blanks.
Pepsin acts on ________ to change them into _______ and __________.
Give reasons for the following.
Meat eating animals have strong canines.
Answer the following question.
Small Intestine is very long and coiled. Even if we jump and run, why it does not get twisted? What can happen if it gets twisted?
A group of organs together make up an ______ system.
Name the salivary glands in our mouth?
The common bile duct and pancreatic form ______.
The process of digestion is completed by:
Label the following parts in Figure and name them.
- The largest gland in our body.
- The organ where protein digestion starts.
- The organ that releases digestive juice into the small intestine.
- The organ where bile juice gets stored.
Give two reasons, why bile juice is considered to be an important secretion of liver in the process of digestion?
