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Lactose is made of...

Lactose is made of

A

`alpha-D-`glucose only

B

`alpha-D-`glucose and `beta-D-`glucose

C

`alpha-D-`galactose and `beta-D-`glucose

D

`alpha-D-`galactose and `alpha-D-`glucose

Text Solution

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The correct Answer is:
C
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MODERN PUBLICATION-BIOMOLECULES-Competition file (OBJECTIVE TYPE QUESTIONS) (B. MULTIPLE CHOICE QUESTIONS) (JEE (MAIN) & OTHER STATE BOARDS FOR ENGINEERING ENTRANCE)
  1. The two function groups present in a typical carbohydrate are

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  2. Biuret test is not given by :

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  3. Lactose is made of

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  4. alpha-maltose consists of

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  5. Glucose reacts with Tollen's reagent to give a derivative of

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  6. The presence or absence of hydroxy group on which carbon atom of sugar...

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  7. The change in optical rotation with time of freshly prepared solution ...

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  8. Which one of the following statements is correct?

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  9. Which of the following compounds can be detected by Molisch's test?

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  10. The alpha- and beta-forms of glucose are

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  11. Which one of the following is essential for cell wall formation?

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  12. Why sucrose is not a reducing sugar.

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  13. The correct structure of the dipeptide gly-ala is

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  14. Ribose and 2-deoxyribose can be differentiated by

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  15. How many amino acids are present in insulin ?

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  16. Synthesis of each molecule of glucose in photosynthesis involves :

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  17. Which of the following bases is not present in DNA ?

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  18. The statement that is not correct is

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  19. Which one of the following is an essential amino acid?

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  20. Adenosine is an example of

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