Notification texts go here Contact Us Buy Now!

Most important questions of Biomolecules cbse class 12th chemistry

Biomolecules most important questions for board exams class 12th. #mostimportantquestions. #chemistryclass12th. Important questions for class 12th .

 Q1. Write down the structure of-

• D- Glucose

• D- fructose

• D- ribose

• D- Galactose

Q2. Write down the cyclic structure of-

• α-D-Glucose

• α-D-Fructose

• β-D-Glucose

• β-D-Fructose

• β-D-Galacose

Q3.Write down the preparation of Glucose.

Q4.Write down the structure and the product formed when glucose is oxidised with Br2 water.

Q5. Define carbohydrates with example.

Q6. Write down the structure of D & L glyceraldehyde

Q7. Write the structure of the product obtained when glucose is oxidised with nitric acid.

Q8. Write a reaction which shows that all the carbon atoms in glucose are linked in a straight chain.

Q9. What are the expected products of hydrolysis of lactose ?

Q10. What are the products of hydrolysis of sucrose?

Q11. What are the products of hydrolysis of maltose?

Q12. What is meant by ‘reducing sugars’? 

Q13. What do you mean by Glycosidic linkage?

Q14. Write down the structure of

• Sucrose

• Lactose

• Maltose

Q15. Write down the name of linkage between

• Sucrose

• Lactose

• Maltose

Q16. What do you mean by invert sugar?

Q17. Name the two components of starch. 

Q18. Write down some examples of essential amino acids.

Q19. Differentiate between essential and non essential amino acids.

Q20. Give an example for acidic , neutral , basic amino acids.

Q21. What do you understand by Zwitter ion?

Q22. Name one optically inactive amino acid. 

Q23. Write a short note on Peptide bond / Peptide linkage.

Q24. Differentiate between Globular and Fibrous proteins.

Q25. What do you mean by Denaturation of Protein.

Q26. Where does the water present in the egg go after boiling the egg?

Q27. Describe what you understand by primary structure and secondary structure of proteins.

Q28. What type of linkage is responsible for the formation of proteins? 

Q29. Name a water soluble vitamin which is a powerful antioxidant.

Q30. What are three types of RNA molecules which performs offered to functions?

Q31. What do you men by peptide linkage?

Q32. Name the deficiency diseases resulting from lack of vitamins A and E in the diet.

Q33. Name one oil soluble vitamin which is a powerful antioxidant and give its one natural source.

Q34. Mention one important function of nucleic acids in our body.

Q34. Name the four bases present in DNA. Which one of these is not present in RNA?

Q35. State clearly what are known as nucleosides and

nucleotides.

Q36. Describe what you understand by primary structure and secondary structure of proteins.

Q37. Write the main structural difference between DNA and RNA. Of the four bases, name those which are common to both DNA and RNA.

Q38. Differentiate between Globular and fibrous protein.

Q39. What do you mean by denaturation of protein?

Q40. Name the type of linkage that is present in Nucleic acids. 

Q41. Where does the water go present in egg after boiling it?  

Q42. What are the different types of RNA found in cells of organisms ? State the functions of each type.

Post a Comment

Cookie Consent
We serve cookies on this site to analyze traffic, remember your preferences, and optimize your experience.
Oops!
It seems there is something wrong with your internet connection. Please connect to the internet and start browsing again.
AdBlock Detected!
We have detected that you are using adblocking plugin in your browser.
The revenue we earn by the advertisements is used to manage this website, we request you to whitelist our website in your adblocking plugin.
Site is Blocked
Sorry! This site is not available in your country.