Glucose +x Phenyl hydrazine → Osazone 'x' will be:
1. 2
2. 3
3. 4
4. 1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe base found in DNA but not in RNA:
1. | Thymine | 2. | Adenine |
3. | Guanine | 4. | Cytosine |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySucrose on hydrolysis gives:
1. L(+) Glucose + D(+) Fructose
2. L(–) Glucose + L(–) Fructose
3. D(+) Glucose + D(–) Fructose
4. D(+) Glucose + L(–) Fructose
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe compound that does not reduce Fehling solution is:
1. Glucose
2. Fructose
3. Sucrose
4. Maltose
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology-D-glucose and β-D-glucose are:
1. Epimers
2. Anomers
3. Functional isomers
4. Chain isomers
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA compound that gives a positive Fehling solution test is:
1. | Sucrose | 2. | Glucose |
3. | Fats | 4. | Protein |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich is the correct statement among the following?
1. | Starch is a polymer of α-glucose |
2. | Amylose is a component of cellulose |
3. | Proteins are composed of only one type of amino acid |
4. | In the cyclic structure of fructose, there are four carbons and one oxygen atom |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one is correctly matched:
1. Vit. E – Tocopherol
2. Vit. D – Riboflavin
3. Vit. B – Calciferol
4. Vit. A – Thiamine
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEnzymes are made up of:
1. Edible proteins.
2. Proteins with specific structures.
3. Nitrogen-containing carbohydrates.
4. Carbohydrates.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich is not a true statement:
1. | α-carbon of α-amino acid is asymmetric except glycine. |
2. | Some proteins of human body are found in L-form |
3. | Human body can synthesize all proteins they need |
4. | At pH = 7 both amino and carboxylic groups exist in ionized form |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology