Which element is present negligible in human body?

1. O

2. C

3. H

4. Si

Subtopic:  Element Analysis |
 95%
From NCERT
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The molecule represented is :-

1. uridine and it is pyrimidine

2. uridylic acid and it is nucleoside

3. uridylic acid and it is nucleotide

4. uridine and it is nucleoside

Subtopic:  Nucleic Acid |
 65%
From NCERT
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Backbone of DNA is formed by :-

1. Sugar - Phosphate - Sugar

2. Nitrogen base - Phosphate - Sugar

3. Phosphate - Nitrogen base - Sugar

4. Base pairs

Subtopic:  The DNA |
 75%
From NCERT
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Substances having identifiable function & play known role in normal physiological functions of a cell are called as :-

1. Primary metabolites

2. Secondary metabolites

3. Metabolites

4. Biomolecules 

Subtopic:  Primary & Secondary Metabolites |
 79%
From NCERT
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Which of the following statements is not correct ?

(1) Carbonic anhydrase enzyme accelerate the rate of reaction CO2 + H2CO3 by 107 times 

(2) Functional aspect of enzymes is related to the tertiary structure of proteins

(3) Enzymes are composed of only one amino acid molecule

(4) Low temperature not cause the denaturtion but inactivate the enzyme 

Subtopic:  Enzymes |
 76%
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In a polysaccharide chain the individual monosaccharides are linked by which bond:-

1. Peptide bond

2. Glycosidic bond

3. Ester bond

4. Hydrogen bond

Subtopic:  Carbohydrates: Glycosidic Bond & Disaccharide |
 87%
From NCERT
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Upon complete hydrolysis, one molecule of triglyceride will yield how many molecules of fatty acids?

1. 1

2. 2

3. 3

4. Any of these is possible

Subtopic:  Lipids: Fatty Acids |
 78%
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Carotenoids and anthocyanin pigments are examples of

1. Primary metabolites

2. Secondary metabolites

3. Protein

4. Sugar

Subtopic:  Primary & Secondary Metabolites |
 92%
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Which of the following represents uridylic acid?

1. Uracil + Ribose

2. Uridine + Phosphoric acid

3. Uracil + Phosphoric acid

4. Uridine + Ribose + Phosphoric acid

Subtopic:  Nucleic Acid: Nucleotides |
 59%
From NCERT
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The molecule that provides stability to cell membrane is

Subtopic:  Lipids: Glycerolipids, Phospholipids & Glycerol |
 92%
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