Select Chapter Topics:
Q. No.Match column I with column II and select the correct option.
Column I
Column II
a.
Phosphate and hydroxyl group of sugar in a nucleotide
(i)
Peptide bond
b.
Polymer of amino acids
(ii)
Glycosidic bond
c.
Polysaccharides
(iii)
Hydrogen bond
d.
Adenine and thymine in a DNA
(iv)
Ester bond
1. a(ii), b(iii), c(iv), d(i)
2. a(ii), b(iv), c(iii), d(i)
3. a(iv), b(i), c(ii), d(iii)
4. a(iv), b(i), c(iii), d(ii)
Subtopic: The DNA | Amino Acids | Zwitter ion & Peptide Bond | Carbohydrates: Glycosidic Bond & Disaccharide |
87%
Level 1: 80%+
Hints
Read the statements A and B carefully and select the correct answer.
| Statement A: | Enzyme-substrate complex produced during a catalysed reaction is highly reactive. |
| Statement B: | This complex dissociates into its product and changed enzyme with an intermediate formation of enzyme-product complex. |
| 1. | Both statements A and B are correct |
| 2. | Both statements A and B are incorrect |
| 3. | Only statement A is correct |
| 4. | Only statement A is incorrect |
Subtopic: Enzymes | Enzyme Catalysis |
Level 3: 35%-60%
Hints
Read the statements given below carefully
Out of the four statements given above regarding competitive inhibition, correct one is/are :
1. One
2. Two
3. Three
4. Four
| (a) | The inhibitor closely resembles the enzyme in its molecular structure. |
| (b) | Inhibitor competes with the substrate for substrate binding site of the enzyme. |
| (c) | It leads to decline in activity of the enzyme. |
| (d) | Malonate inhibition by succinate dehydrogenase is an example of the same. |
Out of the four statements given above regarding competitive inhibition, correct one is/are :
1. One
2. Two
3. Three
4. Four
Subtopic: Enzyme Inhibition |
Level 4: Below 35%
Hints
Match the structures given in column I, with their names in column II and select the correct option:
1. a(iii), b(iv), c(i), d(ii)
2. a(ii), b(iv), c(iii), d(i)
3. a(i), b(iv), c(ii), d(iii)
4. a(iv), b(iii), c(ii), d(i)
| Column I | Column II | ||
| a. |  |
(i) | Alanine |
| b. |  |
(ii) | Serine |
| c. |  |
(iii) | Glycine |
| d. |  |
(iv) | Glycerol |
2. a(ii), b(iv), c(iii), d(i)
3. a(i), b(iv), c(ii), d(iii)
4. a(iv), b(iii), c(ii), d(i)
Subtopic: Different Amino Acids |
83%
Level 1: 80%+
Hints
| Assertion(A): | The acid-insoluble fraction contains lipids and proteins. |
| Reason(R): | The molecular weight of proteins and lipids is in the range of ten thousand daltons and above. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true, (R) is false. |
| 4. | (A) is false, (R) is true. |
Subtopic: Element Analysis | Introduction |
72%
Level 2: 60%+
Hints
Match the items listed in column-I with column-II.
Choose the correct option.
1. a(iii), b(iv), c(i), d(ii)
2. a(iv), b(iii), c(ii), d(i)
3. a(iv), b(ii), c(iii), d(i)
4. a(iv), b(iii), c(i), d(ii)
| Column -I | Column-II | ||
| a. | Cellulose | (i) | Storehouse of energy in plants |
| b. | Inulin | (ii) | Exoskeleton of arthropods |
| c. | Starch | (iii) | Polymer of fructose |
| d. | Chitin | (iv) | Structural element of plant cell wall |
1. a(iii), b(iv), c(i), d(ii)
2. a(iv), b(iii), c(ii), d(i)
3. a(iv), b(ii), c(iii), d(i)
4. a(iv), b(iii), c(i), d(ii)
Subtopic: Carbohydrates: Glycosidic Bond & Disaccharide | Carbohydrates: Starch & Glycogen | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
87%
Level 1: 80%+
Hints
Read the statements given below and select the option that correctly identifies them as True(T) or False(F).
a b c d
1. F T T T
2. F T F T
3. T F T T
4. T T T T
| a. | Alanine is a sulphur containing amino acid |
| b. | Tyrosine is an aromatic amino acid |
| c. | Uracil is a substituted pyrimidine found in nucleic acids containing deoxyribose sugar |
| d. | The nitrogenous bases are projected more or less perpendicular to the sugar-phosphate backbone of polynucleotide chain |
1. F T T T
2. F T F T
3. T F T T
4. T T T T
Subtopic: Amino Acids |
77%
Level 2: 60%+
Hints
Match column I with column II and select the correct option:
1. a(iii), b(i), c(iv), d(ii)
2. a(i), b(ii), c(iii), d(iv)
3. a(iii), b(i), c(ii), d(iv)
4. a(ii), b(i), c(iii), d(iv)
| Column I | Column II | ||
| a. | The structural component of the cell wall of fungi | (i) | Malonate |
| b. | Competitive inhibitor of succinic dehydrogenase |
(ii) | Sucrose |
| c. | Glycosidic bond | (iii) | Chitin |
| d. | Alkaloid used as painkiller | (iv) | Morphine |
1. a(iii), b(i), c(iv), d(ii)
2. a(i), b(ii), c(iii), d(iv)
3. a(iii), b(i), c(ii), d(iv)
4. a(ii), b(i), c(iii), d(iv)
Subtopic: Primary & Secondary Metabolites | Carbohydrates: Glycosidic Bond & Disaccharide | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
93%
Level 1: 80%+
Hints
| Assertion(A): | When glucose is catabolised to lactic acid, energy is liberated. |
| Reason(R): | In an exothermic reaction, the energy level of ‘Product’ (lactic acid) is lower than that of ‘Substrate’ (glucose). |
| 1. | Both (A) and (R) are true but (R) is not the correct explanation of (A) |
| 2. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 3. | (A) is true, (R) is false |
| 4. | (A) is false, (R) is true |
Subtopic: Enzyme Catalysis | Introduction |
Level 3: 35%-60%
Hints
Match column-I with column-II and select the correct option
1. a(ii), b(iv), c(iii), d(i)
2. a(iii), b(iv), c(ii), d(i)
3. a(i), b(iv), c(ii), d(iii)
4. a(iii), b(ii), c(iv), d(i)
| Column-I | Column-II | ||
| a. | Retentate | (i) | Diterpenes |
| b. | Aromatic amino acid | (ii) | Valine |
| c. | Neutral amino acid | (iii) | Nucleic acids |
| d. | Terpenoids | (iv) | Tryptophan |
1. a(ii), b(iv), c(iii), d(i)
2. a(iii), b(iv), c(ii), d(i)
3. a(i), b(iv), c(ii), d(iii)
4. a(iii), b(ii), c(iv), d(i)
Subtopic: Introduction | Primary & Secondary Metabolites |
92%
Level 1: 80%+
Hints
Select Chapter Topics:
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