Select the correct statements regarding mechanism of muscle contraction.
Choose the most appropriate answer from the options given below:
| A. | It is initiated by a signal sent by CNS via sensory neuron. |
| B. | Neurotransmitter generates action potential in the sarcolemma. |
| C. | Increased Ca++ level leads to the binding of calcium with troponin actin filaments. |
| D. | Masking of active site for actin is activated. |
| E. | Utilising the energy from ATP hydrolysis to form cross bridge. |
| 1. | B, C and E only | 2. | C, D and E only |
| 3. | A and D only | 4. | B, D and E only |
Subtopic: Sliding Filament Theory | Muscle Contraction: Other Considerations |
73%
Level 2: 60%+
NEET - 2024
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Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-II,B-III,C-I,D-IV
2. A-II,B-IV,C-III,D-I
3. A-III,B-I,C-II,D-IV
4. A-III,B-IV,C-I,D-II
| List-I | List-II | ||
| A. | Squamous Epithelium | I. | Goblet cells of alimentary canal |
| B. | Ciliated Epithelium | II. | Inner lining of pancreatic ducts |
| C. | Glandular Epithelium | III. | Walls of blood vessels |
| D. | Compound Epithelium | IV. | Inner surface of Fallopian tubes |
1. A-II,B-III,C-I,D-IV
2. A-II,B-IV,C-III,D-I
3. A-III,B-I,C-II,D-IV
4. A-III,B-IV,C-I,D-II
Subtopic: Simple Epithelium | Compound & Specialised Epithelium | Glandular Epithelium & Cell Junction |
85%
Level 1: 80%+
NEET - 2024
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Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-I,B-IV,C-II,D-III
2. A-IV,B-II,C-III,D-I
3. A-III,B-IV,C-II,D-I
4. A-II,B-IV,C-I,D-III
| List-I | List-II | ||
| A. | B-Lymphocytes | I. | Passive immunity |
| B. | Interferons | II. | Cell mediated immunity |
| C. | T-Lymphocytes | III. | Produce an army of proteins in response to pathogens |
| D. | Colostrum | IV. | Innate immunity |
1. A-I,B-IV,C-II,D-III
2. A-IV,B-II,C-III,D-I
3. A-III,B-IV,C-II,D-I
4. A-II,B-IV,C-I,D-III
Subtopic: Details of Immunity | Active & Passive Immunity |
80%
Level 1: 80%+
NEET - 2024
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