D(+) glucose yields an oxime with hydroxyl amine . The structure of the oxime would be:
1. | 2. | ||
3. | 4. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe disease caused by deficiency of vitamin B1 is:
1. Convulsions
2. Beri-beri
3. Cheilosis
4. Sterility
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySucrose 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following statements is not true regarding (+) lactose?
1. (+) lactose is a -glycoside and a molecule of D(+) galactose
2. (+) lactose is a reducing sugar and does not exhibit mutarotation
3. (+) lactose, contains 8-0 H groups
4. On hydrolysis (+) lactose gives equal amount of D(+) glucose and D(+) galactose
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not a fat soluble vitamin ?
1. Vitamin A
2. Vitamin B complex
3. Vitamin D
4. Vitamin E
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following does not exhibit the phenomenon of mutarotation?
1. (+) Sucrose
2. (+) Lactose
3. (+) Maltose=
4. (-) Fructose
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFructose 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe segment of DNA, that acts as the instrumental manual for the synthesis of the protein is -
1. Nucleotide
2. Ribose
3. Gene
4. Nucleoside
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following hormones contains iodine?
1. Insulin
2. Testosterone
3. Adernaline
4. Thyroxine
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology