Advertisements
Advertisements
प्रश्न
Differentiate between.
Mechanical digestion and Chemical digestion
उत्तर
Mechanical digestion:
1. In mechanical digestion, the ingested food is broken down in the mouth by chewing it.
2. Teeth help in mechanical digestion
3. Food is not completely digested in it.
Chemical digestion:
1. In chemical digestion, the food is digested by the action of enzymes.
2. Enzymes are involved in chemical digestion.
3. Proper digestion of food occurs in it.
APPEARS IN
संबंधित प्रश्न
The gall bladder temporarily stores bile.
Which part of the digestive canal is involved in:
Formation of faeces ______.
Define the terms 'nutrients'.
Answer the following question.
Write two different ways in which glucose is oxidized to provide energy in the human body. Write the products formed in each case.
Observe the diagram given alongside and answer the following:
- Name the parts numbered 1-8.
- Which parts shown in the diagram are non-living?
- Is the tooth suited for cutting, tearing or grinding?
- What is the function of parts 8 and 7?
- What is the total number of teeth present in adult human beings?
- Write the dental formula of human beings.
Mark odd one in the series:
State whether true or false. If false, correct the statement.
During digestion, proteins are broken down into amino acids.
Which option represents the CORRECT sequence of digestive organs between the mouth and the anus?
All are functions of the liver, EXCEPT
The following statements describe the five steps in animal nutrition. Read each statement and give one word for each statement. Write the terms that describe each process.
Breaking of complex food substances into simpler and soluble substances.
