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SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 chapter 14 - Biomolecules [Latest edition]

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12th Standard HSC Chemistry Maharashtra State Board 2021 - Shaalaa.com
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Chapter 14: Biomolecules

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

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 Chapter 14 Biomolecules Multiple Choice Questions

1 Mark

Multiple Choice Questions | Q 1

Glucose on oxidation with dilute nitric acid gives _______________

  • saccharic acid

  • oxalic acid

  • gluconic acid

  • malonic acid

Multiple Choice Questions | Q 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

Multiple Choice Questions | Q 3

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

  • alanine

  • insulin

  • leucine

  • glycine

Multiple Choice Questions | Q 4

The sugar component of nucleotide unit in RNA is _________________

  • α-deoxy-D-ribose

  • D-ribose

  • L-ribose

  • 2-deoxy-L-ribose

Multiple Choice Questions | Q 5

The chemical nature of peptide bond in proteins is ____________

  • primary amide

  • secondary amide

  • tertiary amide

  • an ionic bond

Multiple Choice Questions | Q 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

Multiple Choice Questions | Q 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 Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 Chapter 14 Biomolecules Very Short Answer Questions

1 Mark

Very Short Answer Questions | Q 1

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

Very Short Answer Questions | Q 2

Draw the structure of α-D glucopyranose.

Very Short Answer Questions | Q 3

Write the structure of Zwitterion of alanine.

Very Short Answer Questions | Q 4

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

Very Short Answer Questions | Q 5

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

Very Short Answer Questions | Q 6

Write the number of chiral carbon atoms present in fructose.

Very Short Answer Questions | Q 7

Sugar present in DNA is ___________

Very Short Answer Questions | Q 7

Complete the following reaction.

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

Short Answer Questions (Type-I)

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 Chapter 14 Biomolecules Short Answer Questions (Type-I)

2 Marks

Short Answer Questions (Type-I) | Q 1

Explain the preparation of glucose from sucrose

Short Answer Questions (Type-I) | Q 2.1

Write chemical reaction for following conversions

glucose into glucoxime

Short Answer Questions (Type-I) | Q 2.2

Write chemical reaction for following conversions

glucose into gluconic acid

Short Answer Questions (Type-I) | Q 3.1

Define peptide bond.

Short Answer Questions (Type-I) | Q 3.2

Write types of proteins depending upon molecular shape.

Short Answer Questions (Type-I) | Q 4.1

Define the following term.

nucleotide

Short Answer Questions (Type-I) | Q 4.2

Define the following term.

nucleoside

Short Answer Questions (Type-I) | Q 5

Explain denaturation of proteins.

Short Answer Questions (Type-I) | Q 6.1

Define enzyme.

Short Answer Questions (Type-I) | Q 6.2

Write industrial application of enzyme catalysis.

Short Answer Questions (Type-I) | Q 7.1

Draw structure of following.

2-Deoxy-D-ribose

Short Answer Questions (Type-I) | Q 7.2

Draw structure of following.

Cytosine

Short Answer Questions (Type-I) | Q 8

Explain globular and fibrous proteins with example.

Short Answer Questions (Type-I) | Q 9

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

glucose, cellulose, maltose, stachyose

Short Answer Questions (Type-II)

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 Chapter 14 Biomolecules Short Answer Questions (Type-II)

3 Marks

Short Answer Questions (Type-II) | Q 1

Explain the classification of carbohydrates with examples.

Short Answer Questions (Type-II) | Q 2.1

What is the action of the following reagents on glucose?

acetic anhydride

Short Answer Questions (Type-II) | Q 2.2

What is the action of the following reagents on glucose?

hydroxylamine

Short Answer Questions (Type-II) | Q 2.3

What is the action of the following reagents on glucose?

hydrogen iodide

Short Answer Questions (Type-II) | Q 3.1

Define carbohydrates.

Short Answer Questions (Type-II) | Q 3.2

Draw a neat diagram for the following:

Haworth formula of maltose

Short Answer Questions (Type-II) | Q 3.2

Draw the Haworth projection structure of the following.

α-D-(–)-Fructofuranose

Short Answer Questions (Type-II) | Q 4.1

Explain D and L configuration in sugars.

Short Answer Questions (Type-II) | Q 4.2

Write a chemical reaction to convert glucose into glucose cyanohydrin.

Short Answer Questions (Type-II) | Q 5.1

Define α-amino acids.

Short Answer Questions (Type-II) | Q 5.2

Write the structure of Zwitterion of alanine.

Short Answer Questions (Type-II) | Q 5.2

Draw the structure of Haworth formula of sucrose.

Short Answer Questions (Type-II) | Q 6.1

Explain the primary structure of proteins.

Short Answer Questions (Type-II) | Q 6.2

Write a commercial method for preparation of glucose.

Long Answer Questions

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 Chapter 14 Biomolecules Long Answer Questions

4 Marks

Long Answer Questions | Q 1.1

Define carbohydrates.

Long Answer Questions | Q 1.2

Explain the classification of carbohydrates with examples.

Long Answer Questions | Q 2.1

What is monosaccharide?

Long Answer Questions | Q 2.2

Write a commercial method for preparation of glucose.

Long Answer Questions | Q 2.3

Draw the structure of the pyran.

Chapter 14: Biomolecules

Multiple Choice QuestionsVery Short Answer QuestionsShort Answer Questions (Type-I)Short Answer Questions (Type-II)Long Answer Questions
12th Standard HSC Chemistry Maharashtra State Board 2021 - Shaalaa.com

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 chapter 14 - Biomolecules

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 chapter 14 (Biomolecules) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board 12th Standard HSC Chemistry Maharashtra State Board 2021 solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in 12th Standard HSC Chemistry Maharashtra State Board 2021 chapter 14 Biomolecules are Principal Molecules of the Living World, Carbohydrates, Proteins, Nucleic Acids.

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Get the free view of chapter 14 Biomolecules 12th Board Exam extra questions for 12th Standard HSC Chemistry Maharashtra State Board 2021 and can use Shaalaa.com to keep it handy for your exam preparation

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