Beta Pleated structure in a protein is associated with which level of structure organisation?
1. Primary
2. Secondary
3. Tertiary
4. Quaternary
Subtopic: Â Proteins |
 84%
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Unsaturated fats are made saturated by
1. Polymerisation
2. Dehydrogenation
3. Hybridisation
4. Hydrogenation
1. Polymerisation
2. Dehydrogenation
3. Hybridisation
4. Hydrogenation
Subtopic: Â Lipids |
 51%
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Arachidonic acid has
1. 20 carbons excluding carboxyl carbon
2. 20 carbons including carboxyl carbon
3. 16 carbons excluding carboxyl carbon
4. 16 carbons including carboxyl carbon
1. 20 carbons excluding carboxyl carbon
2. 20 carbons including carboxyl carbon
3. 16 carbons excluding carboxyl carbon
4. 16 carbons including carboxyl carbon
Subtopic: Â Lipids |
 86%
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Subtopic: Â Lipids |
 90%
From NCERT
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Basic unit of a nucleic acid is
1. pentose sugar
2. Phosphoric acid
3. Nucleotide
4. All of these
1. pentose sugar
2. Phosphoric acid
3. Nucleotide
4. All of these
Subtopic: Â Nucleic Acid |
 54%
From NCERT
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Which of the following statements is incorrect?
1. Lipids are strictly macromolecules
2. Palmitic acid has 16 carbons including carboxyl carbon
3. Oils have low melting point and hence remain as liquids in winters
4. Arachidonic acid is an unsaturated fatty acid
1. Lipids are strictly macromolecules
2. Palmitic acid has 16 carbons including carboxyl carbon
3. Oils have low melting point and hence remain as liquids in winters
4. Arachidonic acid is an unsaturated fatty acid
Subtopic: Â Introduction |
 78%
From NCERT
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Which one is the correct base pairing for DNA molecules?
1. Cytosine - Uracil
2. Thymine - Guanine
3. Thiamine - Adenine
4. Cytosine - Guanine
1. Cytosine - Uracil
2. Thymine - Guanine
3. Thiamine - Adenine
4. Cytosine - Guanine
Subtopic: Â Nucleic Acid |
 61%
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DNA resembles RNA as both have
1. Ability to replicate
2. Similar sugars
3. Similar pyrimidine bases
4. Polymer of nucleotides
1. Ability to replicate
2. Similar sugars
3. Similar pyrimidine bases
4. Polymer of nucleotides
Subtopic: Â Nucleic Acid |
 64%
From NCERT
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On hydrolysis, a nucleoside would not yield
1. purines
2. Pyrimidine
3. Pentose sugar
4. Phosphoric acid
1. purines
2. Pyrimidine
3. Pentose sugar
4. Phosphoric acid
Subtopic: Â Nucleic Acid |
 73%
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Which of the following statements in incorrect?
| 1. | Backbone of DNA is formed by sugar-phosphate-sugar chain |
| 2. | Nucleic acids are present in acid soluble fraction of any living tissue |
| 3. | DNA and RNA function as genetic material |
| 4. | There are three hydrogen bonds between G and C in DNA molecule |
Subtopic: Â Element Analysis |Â The DNA |
 74%
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