Class 11 Biology - Chapter Biomolecules NCERT Solutions | What are gums made of? Is Fevicol differ
Welcome to the NCERT Solutions for Class 11th Biology - Chapter Biomolecules. This page offers a step-by-step solution to the specific question from Excercise 1 , Question 12: what are gums made of is fevicol different....
Question 12
What are gums made of? Is Fevicol different?
Answer
Gums are hetero-polysaccharides. They are made from two or more different types of derived monosaccharides. On the other hand, fevicol is polyvinyl alcohol (PVA) glue. It is not a polysaccharide.
More Questions From Class 11 Biology - Chapter Biomolecules
- Q:- Describe the important properties of enzymes.
- Q:- Illustrate a glycosidic, peptide and a phospho-diester bond.
- Q:- What are macromolecules? Give examples.
- Q:- Find and write down structures of 10 interesting small molecular weight biomolecules. Find if there is any industry which manufactures the compounds by isolation. Find out who are the buyers.
- Q:- Proteins have primary structure. If you are given a method to know which amino acid is at either of the two termini (ends) of a protein, can you connect this information to purity or homogeneity of a protein?
- Q:- Draw the structure of the amino acid, alanine.
- Q:- Find out a qualitative test for proteins, fats and oils, amino acids and test any fruit juice, saliva, sweat and urine for them.
- Q:- Find out and make a list of proteins used as therapeutic agents. Find other applications of proteins (e.g., cosmetics, etc.)
- Q:- Explain the composition of triglyceride.
- Q:- Find out how much cellulose is made by all the plants in the biosphere and compare it with how much of paper is manufactured by man and hence what is the consumption of plant material by man annually. What a loss of vegetation!
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 is the average cell cycle span for a mammalian cell?
- Q:- What are the factors affecting the rate of diffusion?
Recently Viewed Questions of Class 11 Biology
- Q:- What is the significance of meiosis?
- Q:-
What is the difference between lymph and blood?
- Q:- Look at leaves of the same plant on the shady side and compare it with the leaves on the sunny side. Or, compare the potted plants kept in the sunlight with those in the shade. Which of them has leaves that are darker green? Why?
- Q:-
What is a centromere? How does the position of centromere form the basis of classification of chromosomes. Support your answer with a diagram showing the position of centromere on different types of chromosomes.
- Q:- How is pinnately compound leaf different from palmately compound leaf?
- Q:- By looking at which internal structure of a plant can you tell whether a plant is C3 or C4? Explain.
- Q:- How is a key helpful in the identification and classification of an organism?
- Q:- Describe the evolutionary change in the pattern of heart among the vertebrates.
- Q:- Write short notes on the following:
(a) Neural coordination
(b) Forebrain
(c) Midbrain
(d) Hindbrain
(e) Retina
(f) Ear ossicles
(g) Cochlea
(h) Organ of Corti
(i) Synapse - Q:- Why is the colour of a leaf kept in the dark frequently yellow, or pale green? Which pigment do you think is more stable?
2 Comment(s) on this Question
Sudhir
2019-10-17 21:18:30
Gajb
Jass
2019-02-17 20:19:56
Thnx
- All Chapters Of Class 11 Biology
- All Subjects Of Class 11