CBSE Class 12th Chemistry Chapter 10 - Biomolecules Important Questions with Answers

You should focus on solving CBSE Class 12th Chemistry Chapter 10: Biomolecules important questions, especially to help you score high marks. By solving CBSE Class 12th Chemistry 10 questions, you will be solving exam-oriented questions only.
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Biomolecules are the essential chemical compounds that form the basis of life. Chapter 10 of CBSE Class 12 Chemistry, titled "Biomolecules," provides an in-depth study of the chemical composition, structure, and functions of biologically significant molecules such as carbohydrates, proteins, lipids, nucleic acids, and vitamins. Knowledge about biomolecules is essential because they control numerous biological processes as well as biochemical reactions within living systems. This chapter introduces fundamental information about the categorization, together with the characteristics of carbohydrates, along with the structural aspects of proteins and enzymes and the biological functions of lipids and DNA and RNA composition. The lesson provides students with information about how biomolecules serve biological functions in metabolic processes and genetic information transfer and energy transformation. The research of biomolecules reveals how organisms generate energy alongside compound synthesis and life maintenance processes. For students to understand this chapter better, we gathered essential questions which contain information about theoretical explanations alongside numerical problems and application-based questions.

The questions evaluate students' abilities to identify structures along with their functional groups while teaching biochemical transformations and biological substance applications in real-life situations. The examination of these questions allows students to enhance their theoretical understanding as well as increase their ability to solve problems, which proves vital for passing board examinations and succeeding in competitive exams. The essential knowledge points from biomolecules will aid students to effectively reply to examination questions that evaluate structural patterns as well as enzyme actions and the importance of biological macromolecules. This collection of CBSE Class 12 Chemistry Chapter 10 important questions with answers will serve as a valuable study resource, helping students revise key concepts and apply their understanding in real-world biological and chemical contexts. Prepare thoroughly with the most important questions of CBSE Class 12th Chemistry Chapter 10 - Biomolecules. You can first cover the CBSE Class 12th Chemistry syllabus to understand the key topics and then start solving the CBSE Class 12th Chemistry Chapter 10 - Biomolecules Important Questions to get a better understanding of your preparation level. Start practicing now.

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Question 1.

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(i) Write the name of two monosaccharides obtained on hydrolysis of lactose sugar.
(ii) Why Vitamin C cannot be stored in our body?
(iii) What is the difference between a nucleoside ’ and nucleotide? (Delhi 2016)

Question 2.

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(i) Write the structural difference between starch and cellulose.
(ii) What type of linkage is present in Nucleic acids?
(iii) Give one example each for fibrous protein and globular protein. (All India 2016)

Question 3.

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Define the following as related to proteins :
(i) Peptide linkage
(ii) Primary structure
(iii) Denaturation (Comptt. Delhi 2016)

Question 4.

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What are enzymes? Describe their functions. Name two diseases which are caused due to deficiency of enzymes. (Comptt. All India 2016)

Question 5.

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(a) What type of linkage is present in disaccharides?
(b) Write one source and deficiency disease of vitamin B12.
(c) Write the difference between DNA and RNA. (Comptt. Delhi 2016)

Question 6.

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(a) What type of linkage is present in proteins?
(b) Give one example each of water soluble and fat soluble vitamins.
(c) Draw pyranose structure of glucose. (Comptt. Delhi 2016)

Question 7.

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(i) Which one of the following is a polysaccharide :
Starch, Maltose, Fructose, Glucose?
(ii) What one difference between a-helix and P-pleated sheet structure of protein.
(iii) Write the name of the disease caused by the deficiency of Vitamin B12. (All India 2015)

Question 8.

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How are vitamins classified? Name the vitamin responsible for the coagulation of blood. (Comptt. Delhi 2015)

Question 9.

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Define the following as related to proteins :
(i) Peptide linkage
(ii) Primary structure
(iii) Denaturation (Comptt. All India 2015)

Question 10.

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Which of the two components of starch is water soluble? (Delhi 2014)
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Question 1.

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Name the products of hydrolysis of sucrose. (Delhi 2014)

Question 2.

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Which component of starch is a branched polymer of a-glucose and insoluble in water? (Delhi 2014)

Question 3.

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What are the products of hydrolysis of sucrose? (All India 2014)

Question 4.

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What are the products of hydrolysis of maltose? (All India 2014)

Question 5.

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Write the products of hydrolysis of lactose. (All India 2014)

Question 6.

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Define a ‘Peptide linkage’. (Comptt. All India 2014)

Question 7.

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What are enzymes? (Comptt. All India 2014)

Question 8.

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Answer the following questions:
(i) Why are vitamin A and vitamin C essential for us?
(ii) What is the difference between a nucleoside and a nucleotide? (Comptt. Delhi 2014)

Question 9.

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Enumerate the reactions of glucose which cannot be explained by its open chain structures. (Comptt. Delhi 2014)

Question 10.

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Write the ambident nucleophiles? Give an example. (Comptt. Delhi 2014)
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