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 (i) Peptide bond
sugar in a nucleotide
b. Polymer of amino acids (ii) Glycosidic bond
c. Polysaccharides (iii) Hydrogen bond
d. Adenine and thymine (iv) Ester bond
in a DNA
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 |
86%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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
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 |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
| 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 |
70%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
86%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
76%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
94%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
| 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 |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.