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Aqueous solution of carbohydrate with 2 ...

Aqueous solution of carbohydrate with 2 drop of alcholic solution of `alpha`-naphthol and `H_(2) SO_(4)` gives a ring at the junction. The colour of the ring is:

A

Yellow

B

Green

C

Violet

D

Red

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The correct Answer is:
C
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NARAYNA-BIOMOLECULES-EXERCISE-I -(H.W)
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  2. The change in optical rotation with time of freshly prepared solution ...

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  3. Keratin , a structural protein is present in

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  4. Which one of the following is first member of monosaccharides ?

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  5. Which one of the following is reducing sugar ?

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  6. In the given structure there are four chiral carbons. Hence this struc...

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  7. alpha-D glucose and beta-D glucose are :

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  8. Which of the following statement are correct :

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  9. Which of the following compounds will not show maturotation:

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  10. Fructose is ketose sugar even then it gives red precipitate with Fehli...

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  11. In the given reactions : Glucose +3C6H5NHNH2 overset(H^(o+)//Delta)...

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  12. Which of the following gives violet colour with conc. HCl ?

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  13. If specific rotation of glucose solution is 52^@ and fructose solution...

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  14. The number of polypeptide chains present in haemoglobin is :

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  15. Secondary structure of proteins is due to :

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  16. The number of amino acids in insulin is

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  17. Deficiency of vitamin E causes

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  18. Which one of the following is synthesised in our body by sun's rays

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  19. The carbohydrate present in DNA is

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  20. In the sequence of changes/processes, X overset("replication")to Y ...

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