Chemistry Class 10th English Medium Chapter 13 Biochemistry Notes MCQs Questions Bank

chemistry 10th notes Chapter No 13

1. Which of the following is not the characteristics of monosaccharides?


2. Accessory growth factors later named vitamins by:


3. Fáts and oils are food:


4. Glucose is:


5. Oil exists in:


6. The building blocks of lipids are:


7. RNA stands for:


8. DNA structure was discovered in :


9. How many types of amino acids make up a protein?


10. Which one of the following is not the characteristics of monosaccharide?


11. Polysaccharides is __ solid:


12. The most important oligosaccharide is:


13. Butter and fats are obtained from:


14. Deficiency of Vitamin E causes


15. Photosynthesis produces:


16. Percentage of protein in dry weight of cell is:


17. Carbohydrates are molecules:


18. Thousands of the amino acid polymerize to form


19. Margarine is produced by adding – to vegetable oil:


20. When glucose and fructose combine they produce:


21. Amino acids are linked with each other through:


22. It is responsible for the transmission of genetic information:


23. Which of the following statements is true about proteins?


24. Marine source of oil is:


25. Vitamins are Accessory Growth Factors. They play important role in our body like:


26. Identify the chemical formula of stearic acid.


27. General formula of carbohydrates is:


28. Carbohydrates are in water:


29. Carbohydrates are synthesized by plants through:


30. C₁₅H₃₁COOH is the chemical formula of ________ acid.


31. Disease of deficiency of vitamin A is:


32. Nature of polysaccharides is:


33. Which of the following is a disaccharide?


34. Starch is found in: …


35. The glucose is further polymerized to form:


36. Lipids are made of:


37. Protein are essential for the formation of:


38. Night blindness is because of deficiency of:


39. Select the food item which is not a rich source of proteins


40. Which one of the following is tasteless?


41. Photosynthesis process produces


42. Which of the following is tasteless?


43. vitamins were discovered in:


44. Carbohydrates is directly used by:


45. Carbohydrates regulate the amount of _ in our body:


46. Enzymes are proteins which have the following properties except:


47. Which of the following is a triglyceride?


48. What is a bond between amino acids called?


49. Monosaccharides are sugars:


50. Source of simple sugar is:


51. The glucose polymerizes to form:


52. Vitamin C is also called:


53. The important monosaccharides are:


54. Which one of the following vitamins is water soluble?


55. Energy provided by carbohydrate is :


56. It is pure cellular:


57. RNA role as:


58. It is poor conductor:


59. _is essential component of living cells:


60. Which one of the following is a reducing sugar?


61. Which one of the following does not contain protein?


62. Plants synthesize:


63. Esters of butyric acids have smell:


64. Gelatin is used in:


65. These are proteins:


66. Glucose and fructose combine to form:


67. Amino acids are of protein:


68. Which one of the following is a fat soluble vitamin?


69. Solomon and Wales oil is used as:


70. Dextrose solution contain calories of energy:


71. Which one of the following statements about glucose and sucrose is incorrect?


72. Fats exists in:


73. Fat soluble vitamins are:


74. The organic compounds used as drugs to control bleeding are:


75. Carbohydrates are synthesized by plants through photosynthesis, which requires all of the following except:


76. Dextrose is:


77. Funk discovered vitamin:


78. Which one of followings is a triglyceride?


79. Glucose is a:


80. Maltose a disaccharides of two molecules:


81. It is found in bones:


82. Deficiency of vitamin D cause:


83. Monosaccharides cannot be :


84. Carbohydrates are synthesized by plants through photosynthesis process. Which requires the following except:


85. The most important oligosaccharide is:


86. Ethyl butanoate smells like: –


87. Lipids are macromolecules. They have characteristics except one of the following:


88. Monosaccharides consists of no. of carbon atoms:


89. Carbohydrates are


Short Questions

1. Are lipids present in plants? Justify.
2. Define Biochemistry.
3. Define carbohydrates and give their general formula.
4. Define carbohydrates.
5. Define fatty acids and give its example.
6. Define lipids. Also give the general structural formula of triglycerides.
7. Define oligosaccharides.
8. Define polysaccharides and name any two of them.
9. Describe the peptide formation in proteins.
10. Describe the sources and uses of vitamin A.
11. Describe two uses of carbohydrates.
12. Draw the structure of glucose.
13. Esters of butanoic acid have fruity smell. Give suitable examples.
14. Give an example of a disaccharide. How is it hydrolyzed into monosaccharides?
15. Give an example of disaccharide. How is it hydrolyzed into monosaccharides?
16. Give examples of fats soluble vitamins.
17. Give the balanced equation for the formation of glucose.
18. Give the balanced equation for the hydrolysis of sucrose.
19. Give the characteristics of disaccharides.
20. Give the characteristics of fats.
21. Give the characteristics of monosaccharides.
22. Give the characteristics of Oligosaccharides.
23. Give the characteristics of polysaccharides.
24. Give the classification of carbohydrates.
25. Give the general formula of amino acid.
26. Give the sources and uses of animal fats.
27. Give the types of vitamins.
28. How are proteins formed?
29. How do carbohydrates act as a source of energy?
30. How is cancer caused?
31. How is gelatin obtained?
32. How is margarine produced?
33. How is vegetable oil converted into vegetable ghee?
34. How many amino acids are synthesized by human body?
35. How many amino acids are there in nature?
36. How plants synthesize carbohydrates?
37. Justify water soluble vitamins are not injurious to health.
38. Lactose is disaccharide. Which monosaccharides are present in it?
39. Name the products formed by the hydrolysis of sucrose.
40. Name two fatty acids with their formulae.
41. Nucleic acid is classified into which groups?
42. Plants are source of oils, justify.
43. Quote any two differences between fats and oils.
44. State the name and formula of any two fatty acids.
45. What are advantages of water soluble vitamins?
46. What are amino acids? Write their general formula.
47. What are Lipids?
48. What are macromolecules?
49. What are monosaccharides? How are they classified?
50. What are oligosaccharides? How are they classified?
51. What are polysaccharides? Give an example.
52. What are proteins and how are proteins formed?
53. What are proteins? Write their composition.
54. What are the components of nucleotide?
55. What are the disadvantages of fats soluble vitamins?
56. What are triglycerides? Write its general formula.
57. What do DNA and RNA stand for?
58. What do you mean by genetic code of life?
59. What do you mean by ribonucleic acid?
60. What is meant by nucleic acid?
61. What is meant by peptide linkage? How is it formed?
62. What is the difference between essential and non-essential amino acids?
63. What is the difference between ghee and oil?
64. What is the difference between glucose and fructose?
65. What is the difference between glucose and fructose? State their structural formula.
66. What is the function of DNA?
67. What is the significance of vitamins?
68. What is the source and importance of vitamin D?
69. Where are the proteins found?
70. Where is troposphere located?
71. Which elements are found in proteins?
72. Why are ten amino acids essential for us?
73. Why are the ten amino acids essential for us?
74. Why is RNA called a messenger?
75. Write a brief history of vitamins.
76. Write a short note on fat soluble vitamins.
77. Write a short note on water soluble vitamins.
78. Write down diseases caused by the deficiency of vitamin A.
79. Write down two uses of lipids.
80. Write occurrence of proteins in living organisms.
81. Write sources of maltose.
82. Write sources of simple sugars.
83. Write sources of starch and cellulose.
84. Write sources of sucrose.
85. Write two uses of proteins.
86. Write uses of amylase enzyme.
87. Write uses of lactase enzyme.

Long Questions

1. Define carbohydrates. How monosaccharides are prepared? Write their characteristics.
2. Define vitamins. Describe their importance.
3. Describe the uses and sources of vitamin A and vitamin D.
4. Discuss the importance of carbohydrates in our body.
5. Explain two different types of vitamins with reference to solubility. 
6. Give uses of carbohydrates.
7. What are amino acids? How amino acids are the building materials of protein?
8. What are polysaccharides? Give their properties.
9. Write a note on DNA.
10. Write a note on essential and non-essential amino acids.
11. Write a note on oligosaccharides and polysaccharides
12. Write the advantages of carbohydrates.
13. Write the sources and uses of lipids.
14. Write the sources and uses of proteins.
15. Write two types of vitamins.

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