Class 11 Biology - Chapter Digestion and Absorption NCERT Solutions | Given the dental formula of human beings
Given the dental formula of human beings
The dental formula expresses the arrangement of teeth in each half of the upper jaw and the lower jaw. The entire formula is multiplied by two to express the total number of teeth.
The dental formula for milk teeth in humans is:
Each half of the upper jaw and the lower jaw has 2 incisors, 1 canine, and 2 molars. Premolars are absent in milk teeth.
The dental formula for permanent teeth in humans is: 
Each half of the upper jaw and the lower jaw has 2 incisors, 1 canine, 2 premolars, and 3 molars. An adult human has 32 permanent teeth.
More Questions From Class 11 Biology - Chapter Digestion and Absorption
- Q:-
Bile juice contains no digestive enzymes, yet it is important for digestion. Why?
- Q:-
How does butter in your food gets digested and absorbed in the body?
- Q:-
State the role of pancreatic juice in digestion of proteins.
- Q:-
Discuss the main steps in the digestion of proteins as the food passes through different parts of the alimentary canal.
- Q:-
Describe the process of digestion of protein in stomach.
- Q:-
Choose the correct answer among the following:
(a) Gastric juice contains
(i) pepsin, lipase and rennin
(ii) trypsin lipase and rennin
(iii) trypsin, pepsin and lipase
(iv) trypsin, pepsin and renin
(b) Succus entericus is the name given to
(i) a junction between ileum and large intestine
(ii) intestinal juice
(iii) swelling in the gut
(iv) appendix - Q:-
How are polysaccharides and disaccharides digested?
- Q:- What would happen if HCl were not secreted in the stomach?
- Q:-
Describe the digestive role of chymotrypsin. What two other digestive enzymes of the same category are secreted by its source gland?
- Q:- Match column I with column II
Column I Column II
(a) Bilirubin and biliverdin (i)Parotid
(b) Hydrolysis of starch (ii) Bile
(c) Digestion of fat (iii)Lipases
(d)Salivary gland (iv) Amylases
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4 Comment(s) on this Question
Amazing to know deeply about answers and fast work for me thanks a lots
thanks
I canât understand how it Comes 20 teeth and 32 teeth respectively..How it hasnât been Calculated Plz someone explain me
It helps me a lot....... thnx... ð
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