The formation of amide bond shows which type of reaction

1.Substitution reaction

2.Elimination reaction

3.Addition reaction

4.Rearrangement reaction

Subtopic:  Introduction to Proteins | Zwitter ion & Peptide Bond |
 73%
From NCERT
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In polysaccharides the individual monosaccharides are linked by

1.Phosphodiester bond

2.Amide bond

3.Ester bond

4.Glycosidic bond

Subtopic:  Carbohydrates: Glycosidic Bond & Disaccharide |
 87%
From NCERT
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The DNA exists as _________helix which runs ________

1.double, parallel

2.double, antiparallel

3.single, perpendicular

4.single, parallel

Subtopic:  The DNA |
 95%
From NCERT
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Both the strands of the DNA are joined by

1.Disulphide bond

2.Hydrogen bonds

3.Glycosidic bonds

4.phosphodiester bonds

Subtopic:  The DNA |
 82%
From NCERT
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Which of the following is the pitch of B-DNA

1.34Angstrom

2.34 nanometre

3.34 picometre

4.34 femtometre

Subtopic:  The DNA |
 86%
From NCERT
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Which model explains the double helix nature of DNA

1.Watson and Crick Model

2.Gene Battery Model

3.Sanger Sequencing

4.Both 1 and 3

Subtopic:  The DNA |
 96%
From NCERT
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Which of the following is the most abundant protein in the whole of the biosphere?

1.Collagen

2.Albumin

3.RUBISCO

4.Antibody

Subtopic:  Introduction to Proteins |
 91%
From NCERT
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Which of the following is present as a store house of energy in plant tissues?

1.Cellulose

2.Sucrose

3.Glycogen

4.Starch

Subtopic:  Carbohydrates: Starch & Glycogen |
 81%
From NCERT
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Which of the following is present as a store house of energy in animal tissues?

1.Cellulose

2.Sucrose

3.Glycogen

4.Starch

Subtopic:  Carbohydrates: Starch & Glycogen |
 92%
From NCERT
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Starch gives blue colour because of

1.It exists in globular form

2.I2 gets hold in helical form

3.It has blue colour pigment

4.All of the above

Subtopic:  Carbohydrates: Starch & Glycogen |
 79%
From NCERT
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