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SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC chapter 14 - Biomolecules [Latest edition]

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SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC chapter 14 - Biomolecules - Shaalaa.com
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Solutions for Chapter 14: Biomolecules

Below listed, you can find solutions for Chapter 14 of Maharashtra State Board SCERT Maharashtra for Chemistry [English] 12 Standard HSC.


Multiple Choice QuestionsVery Short Answer QuestionsShort Answer Questions (Type-I)Short Answer Questions (Type-II)Long Answer Questions
Multiple Choice Questions

SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 14 Biomolecules Multiple Choice Questions

1 Mark

1

Glucose on oxidation with dilute nitric acid gives _______________

  • saccharic acid

  • oxalic acid

  • gluconic acid

  • malonic acid

2

The glycosidic linkage in maltose is formed between _______________

  • C-1 of α-D glucose and C-2 of α-D glucose

  • C-1 of α-D glucose and C-4 of α-D glucose

  • C-1 of α-D glucose and C-2 of α-D fructose

  • C-1 of α-D glucose and C-4 of α-D fructose

3

The optically inactive α-amino acid among the following is _____________

  • alanine

  • insulin

  • leucine

  • glycine

4

The sugar component of nucleotide unit in RNA is _________________

  • α-deoxy-D-ribose

  • D-ribose

  • L-ribose

  • 2-deoxy-L-ribose

5

The chemical nature of peptide bond in proteins is ____________

  • primary amide

  • secondary amide

  • tertiary amide

  • an ionic bond

6

In which of the following structure of DNA carries genetic information of the organism?

  • the primary structure of DNA

  • the double helix structure of DNA

  • complementary base pairing

  • sugar-phosphate backbone

7

In the process of denaturation, there is NO change in the structure following protein.

  • primary

  • secondary

  • tertiary

  • quaternary

Very Short Answer Questions

SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 14 Biomolecules Very Short Answer Questions

1 Mark

1

Write the name of the polysaccharide used for the commercial preparation of glucose.

2

Draw the structure of α-D glucopyranose.

3

Write the structure of Zwitterion of alanine.

4

Write the name of the unit to which glucose unit is linked to from sucrose.

5

Write the name of the base present in DNA but not found in RNA.

6

Write the number of chiral carbon atoms present in fructose.

7

Sugar present in DNA is ___________

8

Complete the following reaction.

\[\ce{H2N - CH2 - COOH + H2N - CH2 - CH2 - COOH ->[-H2O] ?}\]

Short Answer Questions (Type-I)

SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 14 Biomolecules Short Answer Questions (Type-I)

2 Marks

1

Explain the preparation of glucose from sucrose.

2.1

Write chemical reaction for following conversions

glucose into glucoxime

2.2

Write chemical reaction for following conversions

glucose into gluconic acid

3.1

Define peptide bond.

3.2

Write types of proteins depending upon molecular shape.

4.1

Define the following term: 

Nucleotide

4.2

Define the following term.

nucleoside

5

Explain denaturation of proteins.

6.1

Define enzymes.

6.2

Write industrial application of enzyme catalysis.

7.1

Draw structure of following.

2-Deoxy-D-ribose

7.2

Draw structure of following.

Cytosine

8

Explain globular and fibrous proteins with example.

9

Classify the following carbohydrates into monosaccharide, disaccharide, oligosaccharide and polysaccharide:

glucose, cellulose, maltose, stachyose

Short Answer Questions (Type-II)

SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 14 Biomolecules Short Answer Questions (Type-II)

3 Marks

1

Explain the classification of carbohydrates with examples.

2.1

What is the action of the following reagents on glucose?

acetic anhydride

2.2

What is the action of the following reagents on glucose?

hydroxylamine

2.3

What is the action of the following reagents on glucose?

hydrogen iodide

3.1

Define carbohydrates.

3.2

Draw the Haworth projection structure of the following.

α-D-(–)-Fructofuranose

3.2

Draw a neat diagram for the following:

Haworth formula of maltose

4.1

Explain D and L configuration in sugars.

4.2

Write a chemical reaction to convert glucose into glucose cyanohydrin.

5.1

Define α-amino acids.

5.2

Write the structure of Zwitterion of alanine.

5.2

Draw the structure of Haworth formula of sucrose.

6.1

Explain the primary structure of proteins.

6.2

Write a commercial method for preparation of glucose.

Long Answer Questions

SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 14 Biomolecules Long Answer Questions

4 Marks

1.1

Define carbohydrates.

1.2

Explain the classification of carbohydrates with examples.

2.1

What is monosaccharide?

2.2

Write a commercial method for preparation of glucose.

2.3

Draw the structure of the pyran.

Solutions for 14: Biomolecules

Multiple Choice QuestionsVery Short Answer QuestionsShort Answer Questions (Type-I)Short Answer Questions (Type-II)Long Answer Questions
SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC chapter 14 - Biomolecules - Shaalaa.com

SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC chapter 14 - Biomolecules

Shaalaa.com has the Maharashtra State Board Mathematics Chemistry [English] 12 Standard HSC Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. SCERT Maharashtra solutions for Mathematics Chemistry [English] 12 Standard HSC Maharashtra State Board 14 (Biomolecules) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. SCERT Maharashtra textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Chemistry [English] 12 Standard HSC chapter 14 Biomolecules are Overview of Biomolecules, Overview: Biomolecules, Principal Molecules of the Living World, Biomolecules in the Cell > Carbohydrates, Biomolecules in the Cell > Proteins.

Using SCERT Maharashtra Chemistry [English] 12 Standard HSC solutions Biomolecules exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in SCERT Maharashtra Solutions are essential questions that can be asked in the final exam. Maximum Maharashtra State Board Chemistry [English] 12 Standard HSC students prefer SCERT Maharashtra Textbook Solutions to score more in exams.

Get the free view of Chapter 14, Biomolecules Chemistry [English] 12 Standard HSC additional questions for Mathematics Chemistry [English] 12 Standard HSC Maharashtra State Board, and you can use Shaalaa.com to keep it handy for your exam preparation.

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