Select the correct statements about sickle cell anemia:
Choose the correct answer from the options given below:
| A: | There is a change in the gene for beta-globin |
| B: | In beta-globin, there is a valine in place of Lysine |
| C: | It is an example of point mutation |
| D: | In the normal gene, U is replaced by A |
Choose the correct answer from the options given below:
| 1. | (B), (C) and (D) only | 2. | (B) and (D) only |
| 3. | (A), (B) and (D) only | 4. | (A) and (C) only |
Subtopic: Mendelian Disorders: Sickle Cell Anemia |
83%
Level 1: 80%+
NEET - 2023
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Match List - I with List - II
Choose the correct answer from the options given below:
| List-I (ECG) | List-II (Electrical activity of heart) | ||
| (A) | P-wave | (I) | Depolarisation of ventricles |
| (B) | QRS complex | (II) | End of systole |
| (C) | T wave | (III) | Depolarisation of atria |
| (D) | End of T wave | (IV) | Repolarisation of ventricles |
Choose the correct answer from the options given below:
| Options: | (A) | (B) | (C) | (D) |
| 1. | IV | I | III | II |
| 2. | I | IV | III | II |
| 3. | IV | III | I | II |
| 4. | III | I | IV | II |
Subtopic: ECG & Coronary Artery Disease |
93%
Level 1: 80%+
NEET - 2023
Hints
Match List-I with List-II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (A) | Eosinophils | (I) | 6-8% |
| (B) | Lymphocytes | (II) | 2-3% |
| (C) | Neutrophils | (III) | 20-25% |
| (D) | Monocytes | (IV) | 60-65% |
Choose the correct answer from the options given below:
| Options: | (A) | (B) | (C) | (D) |
| 1. | IV | I | II | III |
| 2. | IV | I | III | II |
| 3. | II | III | IV | I |
| 4. | II | III | I | IV |
Subtopic: Blood: White Blood Cells |
89%
Level 1: 80%+
NEET - 2023
Hints
Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is True but Statement II is False
2. Statement I is False but Statement II is True
3. Both Statement I and Statement II are True
4. Both Statement I and Statement II are False
| I: | Goblet cells are unicellular glands |
| II: | Earwax is the secretion of exocrine gland |
1. Statement I is True but Statement II is False
2. Statement I is False but Statement II is True
3. Both Statement I and Statement II are True
4. Both Statement I and Statement II are False
Subtopic: Glandular Epithelium & Cell Junction |
86%
Level 1: 80%+
NEET - 2023
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Which one of the following acts as an inducer for lac operon?
| 1. | Sucrose | 2. | Lactose |
| 3. | Glucose | 4. | Galactose |
Subtopic: Gene Regulation: Lac Operon |
91%
Level 1: 80%+
NEET - 2023
Hints
Match List - I with List - II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (A) | Deforestation | (I) | Responsible for heating of Earth's surface and atmosphere |
| (B) | Reforesation | (II) | Conversion of forested areas to non-forested areas |
| (C) | Green-house effect | (III) | Natural ageing of lake by nutrient enrichment of its water |
| (D) | Eutrophication | (IV) | Process of restoring a forest that once existed but was removed |
| Options: | (A) | (B) | (C) | (D) |
| 1. | IV | III | II | I |
| 2. | I | II | III | IV |
| 3. | III | I | II | IV |
| 4. | II | IV | I | III |
Subtopic: Green House Effect & Global Warming | Resource Utilisation & Maintenance | Water Pollution |
83%
Level 1: 80%+
NEET - 2023
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Subtopic: Drugs & Alcohol Abuse |
84%
Level 1: 80%+
NEET - 2023
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'X' and 'Y' are the components of Binomial nomenclature. This naming system was proposed by 'Z':
| 1. | X - Generic name, Y - Specific epithet, Z - Carolus Linnaeus |
| 2. | X - Specific epithet, Y - Generic name, Z - R.H. Whittaker |
| 3. | X - Specific epithet, Y - Generic name, Z - Carolus Linnaeus |
| 4. | X - Generic name, Y - Specific epithet, Z - R.H. Whittaker |
Subtopic: Diversity in the Living World |
89%
Level 1: 80%+
NEET - 2023
Hints
Which of the following statements are correct?
Choose the most appropriate answer from the options given below:
| A: | Reproductive health refers to total well-being in all aspects of reproduction |
| B: | Amniocentesis is legally banned for sex determination in India |
| C: | "Saheli" - an oral contraceptive for females was developed in collaboration with ICMR (New Delhi). |
| D: | Amniocentesis is used to determine genetic disorders and survivability of foetus. |
| 1. | (B) and (C) only | 2. | (D) and (C) only |
| 3. | (A), (B) and (D) only | 4. | (A) and (C) only |
Subtopic: Introduction |
91%
Level 1: 80%+
NEET - 2023
Hints
Given below are two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is correct but Statement II is incorrect
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
| I: | In bacteria, the mesosomes are formed by the extensions of the plasma membrane. |
| II: | The mesosomes, in bacteria, help in DNA replication and cell wall formation. |
1. Statement I is correct but Statement II is incorrect
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Subtopic: Prokaryotic Cell Organisation |
88%
Level 1: 80%+
NEET - 2023
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