Class 11 Biology - Chapter Digestion and Absorption NCERT Solutions | What are the functions of liver?
What are the functions of liver?
Liver is the largest and heaviest internal organ of the body. It is not directly involved in digestion, but secretes bile which plays a major role in the emulsification of fats.
Liver also have detoxification function and help in converting toxic substances into non-toxic and then excretes them out from body.
It is site of glycogen synthesis and its storage.
It is the site of conversion of NH3 into urea through urea cycle.
It is the site of removal of degradation product of hemoglobins degestion in the form of bile pigments bilirubin and biliverdin.
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:- Given the dental formula of human beings
Popular Questions of Class 11 Biology
- Q:- Why are living organisms classified?
- Q:- Discuss how classification systems have undergone several changes over a period of time?
- Q:- What is the basis of classification of algae?
- Q:- What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?
- Q:- What is meant by modification of root? What type of modification of root is found in the (a) Banyan tree (b) Turnip (c) Mangrove trees
- Q:- State the location and function of different types of meristem.
- Q:- Answer in one word or one line. (i) Give the common name of Periplaneta americana. (ii) How many spermathecae are found in earthworm? (iii) What is the position of ovaries in the cockroach? (iv) How many segments are present in the abdomen of cockroach? (v) Where do you find malphigian tubules?
- Q:-
Which of the following is not correct?
(a) Robert Brown discovered the cell.
(b) Schleiden and Schwann formulated the cell theory.
(c) Virchow explained that cells are formed from pre-existing cells.
(d) A unicellular organism carries out its life activities within a single cell. - Q:- What are macromolecules? Give examples.
- Q:- What is the average cell cycle span for a mammalian cell?
Recently Viewed Questions of Class 11 Biology
- Q:- Match the terms in column I with those in column II:
Column I Column II
(a) Compound epithelium (i) Alimentry canal
(b) Compound eye (ii) Cockroach
(c) Septal nephridia (iii) Skin
(d) Open circulatory system (iv) Mosaic vision
(e) Typhlosole (v) Earthworm
(f) Osteocytes (vi) Phallomere
(g) Genitalia (vii) Bone - Q:- Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.
- Q:- Match the followings (column I with column II)
Column I Column II
(a) Chlamydomonas (i) Moss
(b) Cycas (ii) Pteridophyte
(c) Selaginella (iii) Algae
(d) Sphagnum (iv) Gymnosperm - Q:- Why is mitosis called equational division?
- Q:-
Mention the ploidy of the following:
protonemal cell of a moss;
primary endosperm nucleus in dicot,
leaf cell of a moss;
prothallus cell of a fern;
gemma cell in Marchantia;
meristem cell of monocot,
ovum of a liverwort, and
zygote of a fern.
- Q:- Give a brief account of:
(a) Mechanism of synaptic transmission
(b) Mechanism of vision
(c) Mechanism of hearing - Q:- Mark the odd one in each series:
(a) Areolar tissue; blood; neuron; tendon
(b) RBC; WBC; platelets; cartilage
(c) Exocrine; endocrine; salivary gland; ligament
(d) Maxilla; mandible; labrum; antennae
(e) Prothorax; mesothorax; metathorax; coxa - Q:- What happens when a pressure greater than the atmospheric pressure is applied to pure water or a solution?
- Q:- Discuss how classification systems have undergone several changes over a period of time?
- Q:- What is the importance of plasma proteins?
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Function In liver
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