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Q. No.To infect human cells, HIV:
1. produces complementary DNA with reverse transcriptase
2. produces complementary RNA with reverse transcriptase
3. uses the receptors of certain drugs located on lung cells
4. must be transmitted by a vector
Subtopic: AIDS | Cancer |
73%
From NCERT
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Cancer can be finally diagnosed by:
1. immunomodulation by alpha interferons
2. Histopathology after taking a biopsy
3. CT Scan and MRI
4. Fiber optic endoscopy and FNAC
1. immunomodulation by alpha interferons
2. Histopathology after taking a biopsy
3. CT Scan and MRI
4. Fiber optic endoscopy and FNAC
Subtopic: Cancer |
From NCERT
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes
| COLUMN I | COLUMN II | ||
| A | Morphine | P | Derived from poppy seeds, it is a strong painkiller |
| B | Alcohol | Q | In chronic cases, it can cause cirrhosis of liver |
| C | Nicotine | R | Derived from leaves of a plant, it is CNS stimulant and can cause hallucinations |
| D. | Cocaine | S | Stimulates adrenal medulla to release adrenaline and nor adrenaline |
Codes
| A | B | C | D | |
| 1. | Q | P | R | S |
| 2. | P | Q | S | R |
| 3. | R | S | Q | P |
| 4. | S | R | P | Q |
Subtopic: Drugs & Alcohol Abuse |
92%
From NCERT
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Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
| Statement I: | Autoimmune disorder is a condition where body defense mechanism recognized its own cells as foreign bodies |
| Statement II: | Rheumatoid arthritis is a condition where body does not attack self cells |
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
Subtopic: Allergies & Autoimmunity |
80%
From NCERT
NEET - 2022
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Select the incorrect statement with respect to acquired immunity.
| 1. | Acquired immunity is non-specific type of defense present at the time of birth. |
| 2. | Primary response is produced when our body encounters a pathogen for the first time. |
| 3. | Anamnestic response is elicited on subsequent encounters with the same pathogen. |
| 4. | Anamnestic response is due to memory of first encounter. |
Subtopic: Details of Immunity |
80%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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Immuno-suppressants are administered to burn patients or during organ transplantation to suppress:
1. Innate immunity
2. Cytokine Storm
3. Humoral immunity
4. Cell-mediated immunity
Subtopic: Details of Immunity |
88%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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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 |
51%
From NCERT
NEET - 2022
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Which one of the following acts as the “alarm signal” to activate the body’s immune system by stimulating helper T cells?
1. B cells
2. interleukin-2
3. interleukin-1
4. histamines
1. B cells
2. interleukin-2
3. interleukin-1
4. histamines
Subtopic: Details of Immunity | Active & Passive Immunity |
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The immunoglobin ___________ is involved in the primary response to an invading microorganism, and ____________ is involved in the secondary response.
1. IgG / IgM
2. IgM / IgE
3. IgE / histamines
4. IgM / IgG
1. IgG / IgM
2. IgM / IgE
3. IgE / histamines
4. IgM / IgG
Subtopic: Details of Immunity | Active & Passive Immunity |
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In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
A: Second infection of the same pathogen is quickly eliminated.
R: Killer T cells becomes hyperactivated, and destroy extracellular pathogens
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
A: Second infection of the same pathogen is quickly eliminated.
R: Killer T cells becomes hyperactivated, and destroy extracellular pathogens
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Active & Passive Immunity | Allergies & Autoimmunity |
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