The RBC deficiency is a deficiency disease of:

1. Vitamin B1

2. Vitamin B1

3. Vitamin B12

4. Vitamin B6

Subtopic:  Vitamins, Hormones & Enzymes |
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Sucrose on hydrolysis gives :

1. α-D-Glucose + β-D-Glucose

2. α-D-Glucose + β-D-Fructose

3. α-D-Fructose + β-D-Fructose

4. β-D-Glucose + α-D-Fructose

Subtopic:  Polysaccharides & their Importance |
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Which of the following metal ions activates many enzymes participating in the oxidation of glucose to produce ATP and with Na it is also responsible for the transmission of nerve signals:

1. Copper

2. Calcium

3. Potassium

4. Iron

Subtopic:  Vitamins, Hormones & Enzymes |
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Which of the following is a basic amino acid?

1. Alanine

2. Tyrosine

3. Lysine

4. Serine 

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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The reaction of concentrated sulphuric acid with carbohydrates (C12H22O11) is an example of

1. Dehydration

2. Oxidation

3. Reduction

4. Sulphonation

Subtopic:  Polysaccharides & their Importance |
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Deficiency of which vitamin causes osteomalacia ?

1. Vitamin A

2. Vitamin D

3. Vitamin K

4. Vitamin E

Subtopic:  Vitamins, Hormones & Enzymes |
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Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor.

M is:

1. Sr

2. Be

3. Mg

4. Ca

Subtopic:  Vitamins, Hormones & Enzymes |
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The non-essential amino acid among the following is :

1. Lysine

2. Valine

3. Leucine

4. Alanine

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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Which structure(s) of proteins remains(s) intact during denaturation process?

1. Both secondary and tertiary structures

2. Primary structure only

3. Secondary structure only

4. Tertiary structure only

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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The difference between amylose and amylopectin is : 

1. Amylopectin has 1→4  α - linkage and 1→6 α-linkage.
2. Amylose has 1→4 α-linkage and 1 → 6 β-linkage.
3. Amylopectin has  1 → 4 α-linkage and 1 → 6 β-linkage.
4. Amylose is made up of glucose and galactose.

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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