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प्रश्न
State whether the following statements are True or false: Enteropeptidase activates pepsinogen into pepsin.
पर्याय
True
False
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उत्तर
False
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संबंधित प्रश्न
In which part of the digestive system is water absorbed?
Fill in the following blank with suitable word :
Iodine turns blue-black on reacting with ....................
What are the functions of liver and pancreas in the human digestive system ?
Name the main organs of the human digestive system. Also name the associated glands.
When a person puts food in his mouth, then teeth cut it into small pieces, chew and grind it. The glands A in the mouth secrete a substance B which is mixed with the food by tongue. The substance B contains an enzyme C which starts the digestion of food in the mouth. The slightly digested food from the mouth goes down a tube D. The special type of movements E in the walls of tube D push the food into stomach for further digestion. The stomach wall secretes gastric juice containing three substance F, G and H. One of the functions of F is to kill bacteria which may enter the stomach with food. The substance G protects the inside layer of stomach from the damaging effect of substance F whereas substance H is and enzyme for digestion. The partially digested food then enters into small intestine for further digestion.
(a) What is (i) gland A (ii) substance B, and (iii) enzyme C?
(b) Name the tube D.
(c) What is the movement E known as?
(d) What are (i) F (ii) G, and (iii) H?
Gastric juice contains
Draw a labelled diagram to show the internal structure of a mammalian tooth with two roots.
Fill in the blank.
The teeth called ______ are a total of four in number on the sides of incisors
Write true or false for the below statement. Rewrite the false statements correctly.
The process of taking in food is called assimilation
Find the odd one out. Give reasons for your choice
Answer in detail.
What happens to the nutrients absorbed in the bloodstream from the small intestine?
State one difference in nutrition: Holophylic and Holozoic
The question has four options. Choose the correct answer:
The vermiform appendix is a constituent of
Give a reason.
Food becomes acidic in the stomach.
The other name of food pipe is alimentary canal.
The contraction and expansion movement of the walls of the food pipe is called ____________.
What is chyme?
