(Important Questions) Important Questions Class XII Chemistry (2009) Set - I

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Important Questions Class XII Chemistry (2009) Set - I

Chemistry

Q. 1. Define the term bio molecules?

Q. 2. Amino acids are the building blocks of……………….

Q. 3. The molecular weight of proteins is…………………..

Q. 4. Deficiency of vitamin A results in……………………

Q. 5. Charring of sugar is due to

Q. 6. Define Monosaccharide?

Q. 7. What is the difference between Reducing and non-reducing sugars or carbohydrates?

Q. 8. Explain the term mutarotation?

Q. 9. Define glycoside linkage?

Q. 10. What are the main sources of vitamins?

Q. 11. Give two methods for the preparation of glucose?

Q. 12. Define Carbohydrates? Give their basic classification depending upon their behaviour towards hydrolysis.

Q. 13. What is Milk sugar? Give its characteristics.

Q. 14. Define the term vitamins? State its importance.

Q. 15. What do you understand by denaturation of proteins?

Q. 16. Write a short note on cellulose and give its chemical structure.

Q. 17. Give a short note on Zwitter ion?

Q. 18. How are peptides formed. Show the formation of a peptide bond with the help of a diagram.