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Q. No.Given below are two statements:
Statement I:
Cellulose is a polymeric polysaccharide
Statement II:
The building blocks of cellulose are glucose molecules
In the light of the above statements , choose the correct answer from the options given below:
1.
Statement I is correct but Statements II is incorrect.
2.
Statements I is incorrect but Statements II is correct.
3.
Both Statements I and Statements II are correct.
4.
Both Statements I and Statements II are false.
In the light of the above statements , choose the correct answer from the options given below:
Subtopic: Carbohydrates: Cellulose, Chitin, Inulin & Agar |
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Which of the following bond is formed as a result of reaction of carboxyl group of one amino acid with amino group of other amino acids with elimination of water?
1. Phosphodiester Bond
2. Hydrogen Bond
3. Glycosidic Bond
4. Peptide Bond
Subtopic: Zwitter ion & Peptide Bond |
71%
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In a reaction catalyzed by an enzyme, which of the following statements is correct ?
| 1. | Enzymes decrease the activation energy for formation of transition state. |
| 2. | Enzymes make transition form substrate to product more difficult. |
| 3. | Enzymes increase the activation energy for formation of transition state. |
| 4. | Enzyme-substrate complex formed during a reaction lasts for a very long time. |
Subtopic: Enzyme Catalysis |
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Match List-I with List-II:
Choose the correct answer from the options given below :
| List-I | List-II | ||
| (A) | Adenine | (I) | Pigment |
| (B) | Anthocyanin | (II) | Polysaccharide |
| (C) | Chitin | (III) | Alkaloid |
| (D) | Codeine | (IV) | Purine |
Choose the correct answer from the options given below :
| (A) | (B) | (C) | (D) | |
| 1. | (IV) | (I) | (II) | (III) |
| 2. | (IV) | (III) | (II) | (I) |
| 3. | (III) | (I) | (IV) | (II) |
| 4. | (I) | (IV) | (III) | (II) |
Subtopic: Nucleic Acid | Primary & Secondary Metabolites | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
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Primary proteins are also known as polypeptides, because:
1. they are linear chains.
2. they are polymers of peptide monomers.
3. successive amino acids are joined by peptide bonds.
4. they can assume many conformations.
1. they are linear chains.
2. they are polymers of peptide monomers.
3. successive amino acids are joined by peptide bonds.
4. they can assume many conformations.
Subtopic: Proteins |
57%
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Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | Amino acids have a property of ionizable nature of –NH2 and –COOH groups, hence have different structures at different pH. |
| Statement II: | Amino acids can exist as Zwitterionic form at acidic and basic pH. |
| 1. | Both Statement I and Statement II are correct. |
| 2. | Both Statement I and Statement II are Incorrect. |
| 3. | Statement I is correct but Statement II is incorrect. |
| 4. | Statement I is incorrect but Statement II is correct. |
Subtopic: Amino Acids |
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In the enzyme which catalyses the breakdown of:
\(\mathrm{H}_2 \mathrm{O}_2 \rightarrow \mathrm{H}_2 \mathrm{O}+\mathrm{O}_2\)
the prosthetic group is :
1. Nicotinamide adenine dinucleotide
2. Haem
3. Zinc
4. Niacin
\(\mathrm{H}_2 \mathrm{O}_2 \rightarrow \mathrm{H}_2 \mathrm{O}+\mathrm{O}_2\)
the prosthetic group is :
1. Nicotinamide adenine dinucleotide
2. Haem
3. Zinc
4. Niacin
Subtopic: Enzyme Cofactors |
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If A and C make 30% and 20% of DNA, respectively, what will be the percentage composition of T and G ?
1. T : 20%, G : 30%
2. T : 30%, G : 20%
3. T : 30%, G : 30%
4. T : 20%, G : 20%
1. T : 20%, G : 30%
2. T : 30%, G : 20%
3. T : 30%, G : 30%
4. T : 20%, G : 20%
Subtopic: Nucleic Acid: Nucleotides |
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Match List - I with List - II
Choose the correct answer from the options given below:
| List - I (Biological Molecules) | List - II (Biological functions) |
| (a) Glycogen | (i) Hormone |
| (b) Globulin | (ii) Biocatalyst |
| (c) Steroids | (iii) Antibody |
| (d) Thrombin | (iv) Storage product |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (iii) | (i) | (ii) |
| 2. | (iii) | (ii) | (iv) | (i) |
| 3. | (iv) | (ii) | (i) | (iii) |
| 4. | (ii) | (iv) | (iii) | (i) |
Subtopic: Proteins | Carbohydrates: Starch & Glycogen |
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A dehydration reaction links two glucose molecules to produce maltose. If the formula for glucose is C6H12O6 then what is the formula for maltose ?
1. C12H24O11
2. C12H20O10
3. C12H24O12
4. C12H22O11
1. C12H24O11
2. C12H20O10
3. C12H24O12
4. C12H22O11
Subtopic: Carbohydrates: Glycosidic Bond & Disaccharide |
71%
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