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Bio Molecules

The document is an exam paper on biomolecules with a total of 26 marks. It includes multiple-choice questions, short answer questions, and descriptive questions covering topics such as artificial sweeteners, protein structures, and the chemistry of glucose. Students are required to demonstrate knowledge of various biochemical concepts and structures.

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chavanvinayak89
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5 views1 page

Bio Molecules

The document is an exam paper on biomolecules with a total of 26 marks. It includes multiple-choice questions, short answer questions, and descriptive questions covering topics such as artificial sweeteners, protein structures, and the chemistry of glucose. Students are required to demonstrate knowledge of various biochemical concepts and structures.

Uploaded by

chavanvinayak89
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Time 1 ½ hr.

Biomolecules Total Marks - 26

Q.1. Select and write the most appropriate answer from the given alternatives
for each question. (3)

1. Which of the following is not an artificial sweetener?


a) sucralose b) alitame c) saccharin d) sucrose

2. Proteins usually contain


a) C and H b) C, H and O c) C, H and N d) C,H,N and O
3. Due to denaturation
a) The primary protein structure get affected
b) The secondary structure remains unaffected
c) The tertiary structure remains unaffected
d) The primary structure remains unaffected.

Q 2. Attempt the following: (10)


1. What is the action of HI and HNO3 on glucose.
2. Draw Haworth formulca of Maltose.
3. How to Prepare Glucose from cane sugar and Starch.
4. Differentiate between globular and fibrous proteins.
5. What are reducing sugars?

Q 3. Answer Any Three the following: (9)

1. Draw the mirror structure of glucose and fructose?


2. What do you mean by a nucleotide and a nucleoside?
3. Explain the amphoteric nature of amino acids?
4. Write the difference between enzymes and catalysts?

Q 4. Answer of the following: (4)

1. What is the action of phenyl hydrazine and hydroxyl amine on glucose.


2. Write the structure of α-helix and β-pleated sheet.

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