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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In DNA, the linkages between different nitrogenous bases are:
1. Phosphate linkages
2. H-bonding
3. Glycosidic linkages
4. Peptide linkages
Subtopic:   DNA, RNA & Metal Ions |
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The figure shows a hypothetical tetrapeptide portion of a protein with parts labelled A-D. Which one of the following options is correct?
1. D is the acidic amino acid - glutamic acid
2. C is an aromatic amino acid - tryptophan
3. A is the C-terminal amino acid and D is N terminal amino acid
4. A is the sulphur containing amino acid-methionine
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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Which of the following best illustrates FEEDBACK in development?
1. Tissue (X) secretes RNA which changes the development of tissue (Y)
2. As tissue (X) develops, it secretes enzymes that inhibit the development of tissue (Y)
3. As tissue (X) develops, it secretes something that induces tissue (Y) to develop
4. As tissues (X) develops, it secretes something that shows down the growth of tissue (Y)
Subtopic:  Vitamins, Hormones & Enzymes |
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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,  C 12 H 22 O 11  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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The correct statements regarding "Denaturation" are:

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