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Q. No.| A: | Malaria is caused by a virus transmitted through the saliva of infected Anopheles mosquitoes. |
| B: | Tuberculosis is a bacterial disease that primarily affects the lungs but can also spread to other organs. |
| C: | AIDS is a genetic disorder that weakens the immune system over time. |
2. Only B
3. A and B
4. B and C
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGive below are two statements :
| Statement I: | When an infected female Anopheles mosquito bites, it releases gametocytes of plasmodium into the healthy person. |
| Statement II: | The female Anopheles mosquito takes up sporozoites of Plasmodium with blood meal from an infected person, suffering from malaria. |
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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | A rapid respiratory rate | 2. | High grade fever |
| 3. | Chest pain | 4. | Pain abdomen |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Vaccination against the malaria parasite.
2. Use of bed nets treated with insecticides.
3. Taking antibiotics regularly.
4. Use of repellents to kill adult mosquitoes.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| I: | Salmonella typhi is a pathogenic bacterium which causes typhoid fever in human beings. |
| II: | These pathogens generally enter the small intestine through food and water contaminated with them |
| III: | The pathogen remains confined to the small intestine. |
| IV: | Intestinal perforation and death may occur in severe cases. |
| V: | Typhoid fever could be confirmed by Widal test. |
2. 3
3. 4
4. 5
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
| Statement I: | This is caused by the Annelid Wuchereria bancrofti. |
| Statement II: | The condition is due to the blockage of deep veins by the adult worm. |
| 1. | Only Statement I is correct |
| 2. | Only Statement II is correct |
| 3. | Both Statement I and Statement II are correct |
| 4. | Both Statement I and Statement II are incorrect |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | Aedes aegypti mosquito | 2. | A virus |
| 3. | A bacterium | 4. | Prion |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Assertion (A): | Histamine is used to treat allergies. |
| Reason (R): | Histamine is a vasoconstrictor. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is False |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| I: | ‘memory’ of the immune system. |
| II: | ability to distinguish between self and non-self. |
2. Only II
3. Both I and II
4. Neither I nor II
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| I: | are produced in humoral immune response |
| II: | are produced in cell mediated immune response |
| III: | are responsible for passive immunity |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
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