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Q1. Cholesterol is an example of which of the following?
Correct answer : 2
Q2. The content of hair and nail is........
Correct answer : 3
Q3. ......... Is the important constituent of cell wall.
Correct answer : 1
Q4. Chlorofluorocarbons, known as Ozone - depleting substances are used in .... (1) in the production of plastic foams (2) in the production of tubeless tyres (3) in cleaning certain electronic components (4)as pressurizing agents in aerosol cans. Pick the correct answer
Correct answer : 3
Q5. Nucleic acids have ……………….. .
Correct answer : 3
Q6. Nucleic acid is made up of ……………….
Correct answer : 4
Q7. Which of the following sugar unit is present in nucleic acid?
Correct answer : 3
Q8. .......protein contains nucleic acid as prosthetic group.
Correct answer : 4
Q9. Glucose is a .....
Correct answer : 1
Q10. Nucleic acids are polymers of which of the following?
Correct answer : 2
Q11. DNA is found …………………
Correct answer : 2
Q12. ……………….bases is found only in RNA and not in DNA.
Correct answer : 3
Q13. All enzymes are .........
Correct answer : 4
Q14. The structure of DNA molecule is ....
Correct answer : 2
Q15. ……………….is called aldohexose.
Correct answer : 1
Q16. ........is considered as disaccharide.
Correct answer : 3
Q17. Raffinose is an example for which of the following?
Correct answer : 2
Q18. ………………rotates the plane polarised light in clockwise direction.
Correct answer : 2
Q19. Oxidation of gluconic acid to glutaric acid proves the presence of ....
Correct answer : 1
Q20. ………………….is called fruit sugar.
Correct answer : 3
Q21. Fructose is otherwise called ..........
Correct answer : 4
Q22. …………………is the IUPAC name of fructose.
Correct answer : 2
Q23. What colour starch solution will give with iodine?
Correct answer : 1
Q24. ..........are the building blocks of proteins.
Correct answer : 1
Q25. How do we call the process of precipitation of protein?
Correct answer : 2
Q26. …………………is considered as conjugated proteins.
Correct answer : 4
Q27. ……………………is the prosthetic group present in glycoproteins.
Correct answer : 2
Q28. The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs……
Correct answer : 4
Q29. ……………….is an exaple of phosphoproteins.
Correct answer : 4
Q30. ………………….is the prosthetic group present in chromoproteins.
Correct answer : 3
Q31. ………………….is the prosthetic group present in lipoproteins.
Correct answer : 1
Q32. The nucleic acid present in cytoplasm of the cell is......
Correct answer : 1
Q33. .........is present only in RNA.
Correct answer : 3
Q34. ……………….is present only in DNA.
Correct answer : 1
Q35. ..........are not biomolecules.
Correct answer : 2
Q36. ……………….does not belong to the Carbolhydrates.
Correct answer : 4
Q37. Sucrose and .........are disaccharides.
Correct answer : 2
Q38. ..........is the simplest amino acid.
Correct answer : 3
Q39. In the context of global oil prices, "Brent crude oil" is frequently referred to in the news. What does this term imply? (1) It is a major classification of crude oil. It is sources from North sea. (3) It does not contain sulphur. Which of the statemen/s given above is/are correct?
Correct answer : 2
Q40. Haemoglobin and cytochromes are examples of ....
Correct answer : 2
Q41. Function of DNA is ....
Correct answer : 4
Q42. Diazonium salts give coupling reactions with which of the following?
Correct answer : 1
Q43. 1% solution of phenol is a .......
Correct answer : 3
Q44. ........is a Chromophore.
Correct answer : 4
Q45. Cotton dyeing is done with ........dye.
Correct answer : 3
Q46. Hydrazine is.......
Correct answer : 1
Q47. Non-stick cooking utensils are made with......
Correct answer : 2
Q48. ………………..does not have the property of remedy for any disease.