D(+) glucose yields an oxime with hydroxyl amine . The structure of the oxime would be:

1. 2.
3. 4.
Subtopic:  Carbohydrates - Classification & D-L configuration |
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 The disease caused by deficiency of vitamin B1 is:

1. Convulsions

2. Beri-beri

3. Cheilosis

4. Sterility

Subtopic:  Vitamins, Hormones & Enzymes |
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Sucrose can be formed by :
1. α–D–galactopyranose and α–D–glucopyranose
2. α–D–glucopyranose and β–D–fructofuranose
3. β–D–galactopyranose and α–D–fructofuranose
4. α–D–galactopyranose and β–D–fructopyranose

Subtopic:  Carbohydrates - Classification & D-L configuration |
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Which one of the following statements is not true regarding (+) lactose?

1.  (+) lactose is a β-glycoside and a molecule of D(+) galactose

2.  (+) lactose is a reducing sugar and does not exhibit mutarotation

3.  (+) lactose, C12H22O11 contains 8-0 H groups

4.  On hydrolysis (+) lactose gives equal amount of D(+) glucose and D(+) galactose

Subtopic:  Carbohydrates - Classification & D-L configuration | Polysaccharides & their Importance |
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Which of the following is not a fat soluble vitamin ?

1. Vitamin A 

2. Vitamin B complex

3. Vitamin D 

4. Vitamin E

Subtopic:  Vitamins, Hormones & Enzymes |
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Which of the statements about "Denaturation" given below are correct?

(a) Denaturation of proteins causes loss of secondary and tertiary structures of the protein. 
(b) Denaturation leads to the conversion of double strand of DNA into a single strand.
(c) Denaturation affects primary structure which gets distorted.


1. (a), (b) and (c)
2. (b) and (c)
3. (a) and (c)
4. (a) and (b)

Subtopic:  Denaturation of Proteins & Chemical Properties |
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Which one of the following does not exhibit the phenomenon of mutarotation?

1. (+) Sucrose

2. (+) Lactose

3. (+) Maltose=

4. (-) Fructose

Subtopic:  Carbohydrates - Classification & D-L configuration |
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Fructose reduces Tollen's reagent due to:

1. Primary alcoholic group
2. Secondary alcoholic group
3. Enolisation of fructose followed by conversion to aldehyde by base
4. Asymmetric carbon
Subtopic:  Carbohydrates - Classification & D-L configuration |
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The segment of DNA, that acts as the instrumental manual for the synthesis of the protein is -

1. Nucleotide

2. Ribose

3. Gene

4. Nucleoside

Subtopic:   DNA, RNA & Metal Ions |
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Which of the following hormones contains iodine?

1. Insulin

2. Testosterone

3. Adernaline

4. Thyroxine

Subtopic:  Vitamins, Hormones & Enzymes |
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