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Chemistry MCQ Question - Macromolecules

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1. The distinction test for primary secondary and tertiary alcohol required to react each of them is




2. Which compound is also known by the name of carbolic acid?




3. The given dissociation constant (Ka) value 1.3x10-10 is of




4. Heating phenol with Zn will yield




5. When phenol is heated with concentrated nitric acid the product is




6. Treating phenol with formaldehyde in the presence of dilute base forms Bakelite. The process involved is




7. Which compound shows hydrogen bonding?




8. Ethanol can be converted into ethanoic acid by




9. Methyl alcohol is not used




10. Which alcohol will undergo elimination reaction to give alkene in the presence of acidic potassium dichromate?




11. Methanol can be obtained from




12. An alcohol which can be prepared by fermentation is




13. Absolute alcohol is obtained when rectified spirit is treated with




14. When alcohol reacts with phosphorous halides it geive




15. Phenol was isolated by Runge from




16. Which one of the following compound does not have - OH group




17. The hydrogenation of phenol in the presence of Ni and heat gives




18. Ethers show functional group isomerism with




19. Ethanol and methanol can be distinguished by a




20. Which one of the following alcohol has greater boiling point




21. Polymers described as large molecules built up from small repeating units called




22. A polymer in which three different monomers combine called.




23. The important monomers of acryclic resins is




24. Polyester resins are the product of the reaction of




25. Industrial materials and thermal power stations are coated with




26. Carbohydrates are polyhydroxy compounds of




27. Common example of carbohydrates are




28. Nylon is obtained by heating




29. Hydrolysis of an oligosaccharide in the presence of acid yields




30. Amylose is




31. The process of polymerization was classified by




32. All proteins yield ______ upon complete hydrolysis.




33. Protein attached to some non protein group is called




34. Regular coiling or zigzagging of polypeptide through hydrogen bonding is its.




35. Orgosterol is




36. Lipids are soluble in




37. Animal fats are located particularly in




38. Animal and vegetable fats are




39. Lipopolysaccharides are examples of




40. Triglycerides are easily hydrolyzed by enzymes called




41. Saponification is the hydrolysis of fat or oil with an




42. Enzynies that catalyze the transfer of groups within molecule are called




43. Enzymes from the same organism which catalyze same reaction but are chemically and physically distinct from each other are called




44. Rate of enzymatic reaction is directly proportional to the concentration of




45. Enzyme proved useful in cancer treatment is




46. Purines and pyrimidines are




47. Nucleic acids were first demonstrated in




48. Nucleic acids direct the synthesis of




49. The mechanism by which the genetic information can be duplicated is called




50. The nitrogenous base different in RNA as compared to DNA is