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Class 10 Chemistry Biochemistry


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Class 9Class 10First YearSecond Year
9.Enzymesareproteinswhichoneofthefollowingpropertiestheydonothave?a.theycatalyzereactionb.theyarehighlynonspecificc.theyarehighlyefficientd.theyareproducedbylivingcells9. Enzymes are proteins which one of the following properties they do not have?a. they catalyze reactionb. they are highly non-specificc. they are highly efficientd. they are produced by living cells

17. Justify that water soluble vitamins are not injurious to health.
17. Justify that water soluble vitamins are not injurious to health.

17.Justifythatwatersolublevitaminsarenotinjurioustohealth.17. Justify that water soluble vitamins are not injurious to health.

12. Give the general formula of the lipids.
12. Give the general formula of the lipids.

12.Givethegeneralformulaofthelipids.12. Give the general formula of the lipids.

8. Which one of followings is a triglyceride?a. carbohydratesb. proteinsc. lipidsd. vitamins
8. Which one of followings is a triglyceride?a. carbohydratesb. proteinsc. lipidsd. vitamins

8.Whichoneoffollowingsisatriglyceride?a.carbohydratesb.proteinsc.lipidsd.vitamins8. Which one of followings is a triglyceride?a. carbohydratesb. proteinsc. lipidsd. vitamins

Explain the sources and uses of proteins.
Explain the sources and uses of proteins.

Explainthesourcesandusesofproteins.Explain the sources and uses of proteins.

6. Glucose is:a. hexahydroxy aldehydeb. hexahydroxy ketonec. pentahydroxy aldehyded. pentahydroxy ketone
6. Glucose is:a. hexahydroxy aldehydeb. hexahydroxy ketonec. pentahydroxy aldehyded. pentahydroxy ketone

6.Glucoseis:a.hexahydroxyaldehydeb.hexahydroxyketonec.pentahydroxyaldehyded.pentahydroxyketone6. Glucose is:a. hexahydroxy aldehydeb. hexahydroxy ketonec. pentahydroxy aldehyded. pentahydroxy ketone

19. What is the function of DNA?
19. What is the function of DNA?

19.WhatisthefunctionofDNA?19. What is the function of DNA?

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