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Q. No.Which of the following statements is correct regarding common diseases affecting humans?
1. Only A
2. Only B
3. A and B
4. B and C
| 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
Subtopic: Common Diseases in Humans |
56%
From NCERT
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Give 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.
Subtopic: Common Cold & Malaria Introduction | Treatment & Life Cycle of Malaria |
53%
From NCERT
NEET - 2022
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A person suffering from pneumonia is least likely to show/complain:
| 1. | A rapid respiratory rate | 2. | High grade fever |
| 3. | Chest pain | 4. | Pain abdomen |
Subtopic: Pneumonia & Related Questions |
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From NCERT
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Which of the following measures is most effective in the prevention of malaria?
1. 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.
1. 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.
Subtopic: Common Cold & Malaria Introduction | Treatment & Life Cycle of Malaria |
From NCERT
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How many of the given statements are correct?
1. 2
2. 3
3. 4
4. 5
| 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
Subtopic: Typhoid Fever |
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From NCERT
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The diagram shows inflammation in one of the lower limbs due to an infection by a certain pathogen. Identify the correct statement:
| 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 |
Subtopic: Ascariasis & Filariasis |
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What is the causative agent of dengue fever in humans?
| 1. | Aedes aegypti mosquito | 2. | A virus |
| 3. | A bacterium | 4. | Prion |
Subtopic: Common Diseases in Humans | Dengue |
From NCERT
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Consider the given two statements:
| 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 |
Subtopic: Allergies & Autoimmunity |
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The principle of immunisation or vaccination is based on the property of:
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| 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
Subtopic: Human Immune System |
51%
From NCERT
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Memory cells:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| 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
Subtopic: Active & Passive Immunity |
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