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Q. No.What are some of the ill effects of nicotine and smoking?
1.
Increased risk of osteoporosis and arthritis.
2.
Decreased blood pressure and reduced anxiety.
3.
Increased risk of cardiovascular diseases and lung cancer.
4.
Improved pulmonary function and decreased risk of respiratory infections.
Subtopic: Drugs & Alcohol Abuse |
94%
From NCERT
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Match the following common infectious diseases with their causative agents:
Options:
| Column A | Column B | ||
| 1. | Tuberculosis | A. | Plasmodium |
| 2. | Malaria | B. | HIV |
| 3. | AIDS | C. | Salmonella |
| 4. | Typhoid | D. | Mycobacterium |
| 1. | 1-B, 2-C, 3-D, 4-A | 2. | 1-C, 2-D, 3-A, 4-B |
| 3. | 1-A, 2-B, 3-C, 4-D | 4. | 1-D, 2-A, 3-B, 4-C |
Subtopic: Typhoid Fever | AIDS | Common Diseases in Humans |
95%
From NCERT
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The importance of colostrum lies in its high content of:
1. Immunoglobulins for passive immunity
2. Fat for energy
3. Lactose for digestion
4. Vitamin D for bone development
1. Immunoglobulins for passive immunity
2. Fat for energy
3. Lactose for digestion
4. Vitamin D for bone development
Subtopic: Active & Passive Immunity |
98%
From NCERT
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Which of the following statements correctly differentiates between the clinical features of pneumonia and the common cold?
| 1. | Pneumonia is characterized by high fever, chills, and cough, while the common cold causes muscle aches and severe headache. |
| 2. | Pneumonia involves inflammation of the alveoli filled with fluid, causing difficulty breathing, whereas the common cold is a mild upper respiratory infection with a runny nose. |
| 3. | The common cold leads to severe respiratory distress, unlike pneumonia. |
| 4. | Pneumonia is caused by viruses only, while the common cold can be caused by various pathogens including bacteria. |
Subtopic: Pneumonia & Related Questions | Common Cold & Malaria Introduction |
96%
From NCERT
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The difference between cell-mediated immunity and humoral immunity is:
1. Only I and II are correct
2. Only I and III are correct
3. I, II and III are correct
4. Only II and III are correct
| I: | Cell-mediated immunity involves B-cells while humoral immunity involves T-cells |
| II: | Cell-mediated immunity is effective against pathogens inside the cells, while humoral immunity fights extracellular pathogens |
| III: | Humoral immunity involves the production of antibodies, whereas cell-mediated immunity does not |
2. Only I and III are correct
3. I, II and III are correct
4. Only II and III are correct
Subtopic: Details of Immunity |
84%
From NCERT
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Consider the given two statements:
| Assertion (A): | Proper vaccinations can significantly reduce the incidence of viral diseases such as hepatitis B. |
| Reason (R): | Vaccines stimulate the immune system to produce antibodies that are specific to the hepatitis virus. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Active & Passive Immunity |
90%
From NCERT
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Consider the given two statements:
| Assertion (A): | Individuals with AIDS exhibit low levels of T lymphocytes. |
| Reason (R): | HIV targets and destroys CD4+ T lymphocytes, which are crucial for the immune system's ability to fight infections |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: AIDS |
95%
From NCERT
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Which statement about typhoid is NOT correct?
| 1. | Mary Mallon, also known as Typhoid Mary, was the first identified asymptomatic carrier. |
| 2. | The Widal test is used for the diagnosis of typhoid. |
| 3. | Typhoid is caused by a virus. |
| 4. | Typhoid fever is transmitted through contaminated food and water. |
Subtopic: Typhoid Fever |
95%
From NCERT
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Which type of antibody is primarily responsible for allergic reactions?
| 1. | IgA | 2. | IgE |
| 3. | IgG | 4. | IgM |
Subtopic: Allergies & Autoimmunity |
95%
From NCERT
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What is the rationale behind using immunotherapy for treating cancer?
| 1. | To directly kill cancer cells through chemical agents. |
| 2. | To enhance the body's immune response against cancer cells. |
| 3. | To replace dysfunctional cells with healthy ones. |
| 4. | To suppress the immune system to prevent cancer cell growth. |
Subtopic: Cancer |
81%
From NCERT
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