Select Chapter Topics:
Q. No.
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).
In the light of above statements, select the correct answer from the options given below.
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.
Consider the statements 'A' and 'B' and select the correct option:
1. Both statements A and B are correct
2. Only statement A is correct
3. Only statement B is correct
4. Both statements A and B are incorrect
| Statement A: | Just like inorganic catalysts, enzymes work efficiently at high temperatures and high pressures |
| Statement B: | Thermal stability is an important quality of enzymes isolated from thermophilic organisms |
2. Only statement A is correct
3. Only statement B is correct
4. Both statements A and B are incorrect
Subtopic: Enzymes |
76%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Read the statements given below carefully:
How many of the statements given above are correct?
| (a) | Lipids are generally water soluble. |
| (b) | Dietary proteins are the source of essential amino acids. |
| (c) | Paper made from plant pulp and cotton fibre is cellulosic in nature. |
| (d) | In a nucleic acid, the bond between the phosphate and hydroxyl group of sugar is an ester bond. |
| 1. | One | 2. | Two |
| 3. | Three | 4. | Four |
Subtopic: Nucleic Acid | Proteins | Carbohydrates | Lipids | Carbohydrates: Glycosidic Bond & Disaccharide |
75%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Read the statements given below and select the correct option:
| (a) | In glycogen, the right end is the reducing one |
| (b) | Cellulose and starch form complex helices |
| (c) | Starch is the main structural component of papers made from plant pulp |
| 1. | Statements (a) and (b) are correct while statement (c) is incorrect |
| 2. | Statements (a) and (c) are correct while statement (b) is incorrect |
| 3. | Statements (b) and (c) are incorrect while statement (a) is correct |
| 4. | Statements (a) and (c) are incorrect while statement (b) is correct |
Subtopic: Carbohydrates: Starch & Glycogen |
58%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Read the given statements carefully and select the correct option
Statement A: Tyrosine contains two aromatic rings in its structure
Statement B: Sulphur is an integral part of tyrosine
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 B is correct
Statement A: Tyrosine contains two aromatic rings in its structure
Statement B: Sulphur is an integral part of tyrosine
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 B is correct
Subtopic: Proteins |
Please attempt this question first.
Hints
Read the following given statements with respect to nucleic acids.
How many of the above statements are incorrect?
1. One
2. Two
3. Three
4. Four
| (a) | DNA possesses ribose sugar in its structure. |
| (b) | Thymine bonds with cytosine through two hydrogen bonds. |
| (c) | The rise per base pair in B-DNA would be 3.4 Å. |
| (d) | The pitch of B-DNA would be 34 nm. |
How many of the above statements are incorrect?
1. One
2. Two
3. Three
4. Four
Subtopic: The DNA |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
| Assertion (A): | Co-enzymes are inorganic compounds that bind tightly with the apoenzyme to form a holoenzyme. |
| Reason (R): | Co-enzymes and prosthetic groups are cofactors. |
| 1. | (A) is false but (R) is true. |
| 2. | (A) is true but (R) is false. |
| 3. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
Subtopic: Enzyme Introduction |
69%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
| Assertion (A): | Humans are advised to take a diet rich in proteins. |
| Reason (R): | Essential amino acids cannot be synthesized by the human body. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true and (R) is not the correct explanation of (A). |
| 3. | (A) is true, (R) is false. |
| 4. | (A) is false, (R) is true. |
Subtopic: Proteins |
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(ii), d(iv)
2. a(i), b(iii), c(ii), d(iv)
3. a(i), b(iii), c(iv), d(ii)
4. a(iii), b(i), c(iv), d(ii)
| Column I | Column II | ||
| a. | Down's syndrome | (i) | Bacterial disease |
| b. | Diphtheria | (ii) | Cannot hold I2 |
| c. | Cellulose | (iii) | Congenital disorder |
| d. | Starch | (iv) | Helical secondary structures |
1. a(iii), b(i), c(ii), d(iv)
2. a(i), b(iii), c(ii), d(iv)
3. a(i), b(iii), c(iv), d(ii)
4. a(iii), b(i), c(iv), d(ii)
Subtopic: Carbohydrates |
77%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.