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Biomolecules

This document is a self-assessment test on biomolecules from Chapter 14. It contains 20 multiple choice, very short answer, short answer, and long answer questions testing knowledge of proteins, nucleic acids, carbohydrates, and their structures. The test has 4 sections (A-D) worth a total of 20 marks and is to be completed in 1 hour. Answers are provided at a link for students to check their work.

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Aniket Kahate
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73 views2 pages

Biomolecules

This document is a self-assessment test on biomolecules from Chapter 14. It contains 20 multiple choice, very short answer, short answer, and long answer questions testing knowledge of proteins, nucleic acids, carbohydrates, and their structures. The test has 4 sections (A-D) worth a total of 20 marks and is to be completed in 1 hour. Answers are provided at a link for students to check their work.

Uploaded by

Aniket Kahate
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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SELF ASSESSMENT TEST

Chapter 14 : Biomolecules

Time : 1 Hour ]  [ Marks : 20

Notes :

1. All questions are compulsory.

2. Figures to the right indicate full marks.

SECTION – A

Q. 1. Multiple Choice Questions : (1 mark each)

(i) A disulfide link gives rise to the following structure of protein.

(a) Primary (b) Secondary

(c) Tertiary (d) Quaternary [1]

(ii) RNA has

(a) A – U base pairing (b) P – S – P – S backbone

(c) double helix (d) G – C base pairing [1]

(iii) Which of the following is not sugar?

(a) Sucrose (b) Starch

(c) Fructose (d) Glucose [1]

(iv) Insulin contains


(a) 51 amino acids (b) 151 amino acids

(c) 15 amino acids (d) 115 amino acids [1]

Q. 2. Very Short Answer Questions (VSA) : (1 mark each)


(i) What are reducing sugars? [1]

(ii) Name the amino acids which are synthesized in the body. [1]

SECTION – B

Q. 3. Short Answer Questions (SA-I) : (2 marks each)

(i) Describe the action of following reagents on glucose :


(1) Bromine water (2) dil. Nitric acid. [2]

(ii) Distinguish between globular and fibrous proteins.  [2]

SELF ASSESSMENT TEST : LEARN SERIES CHEMISTRY XII (PART – 2) (CHAPTER 14) 1
SECTION – C

Q. 4. Short Answer Questions (SA-II) : (3 marks each)


(i) Explain the structure of sucrose.  [3]

(ii) State the salient features of the Watson and Crick mode of DNA.  [3]

SECTION – D

Q. 5. Long Answer Question (LA) : (4 marks)


Explain the structure of proteins. [4]


__________

For Model Answers – Click here - https://bit.ly/3GJrX96

2 SELF ASSESSMENT TEST : LEARN SERIES CHEMISTRY XII (PART – 2) (CHAPTER 14)

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