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Q. No.The active form of protozoa causing amoebic dysentery feeds upon
1. Erythrocytes only
2. Mucosa and submucosa of duodenum
3. Erythrocytes, mucosa and submucosa of colon
4. Mucosa and submucosa of colon only
Subtopic: Amoebiasis |
66%
From NCERT
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Select the event that is responsible for the chills and high fever recurring every three to four days in a person suffering with Plasmodium infection.
1. Entry of sporozoites in the RBCs of human host through mosquito bite
2. Multiplication of sporozoites within hepatocytes
3. Rupture of RBCs to release haemozoin in blood
4. Development of gametocytes
1. Entry of sporozoites in the RBCs of human host through mosquito bite
2. Multiplication of sporozoites within hepatocytes
3. Rupture of RBCs to release haemozoin in blood
4. Development of gametocytes
Subtopic: Treatment & Life Cycle of Malaria |
92%
From NCERT
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Study the given diagram of an antibody molecule and the given two statements about it:
Statement I: The antibody molecule shown is IgM.
Statement II: It is the only class of antibody molecule capable of crossing the placenta freely.
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
Statement I: The antibody molecule shown is IgM.
Statement II: It is the only class of antibody molecule capable of crossing the placenta freely.
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: Human Immune System |
62%
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Identify the lymphoid organs of the human body labelled as A, B, C and D:
[Remove Lymph node and spleen; Re-label Thymus as A; Bone marrow as B; Spleen as C and Lymph Nodes as D]
[Remove Lymph node and spleen; Re-label Thymus as A; Bone marrow as B; Spleen as C and Lymph Nodes as D]
| A | B | C | D | |
| 1. | Thyroid | Bone marrow | Liver | Lymph nodes |
| 2. | Thymus | MALT | Spleen | Peyer’s patches |
| 3. | Thymus | Bone marrow | Spleen | Lymph nodes |
| 4. | Thyroid | MALT | Liver | Paneth cells |
Subtopic: Human Immune System |
78%
From NCERT
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What would be true for the cytokine shown with the letter ‘X’ in the given diagram?
[Replace the word interferon with X; no other changes]
Statement I: The cytokine is called as an interferon and is released by a virus-infected cell causing nearby cells to heighten their anti-viral defences.
Statement II: Interferons are so called as they have the ability to "interfere" with viral replication.
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
[Replace the word interferon with X; no other changes]
Statement I: The cytokine is called as an interferon and is released by a virus-infected cell causing nearby cells to heighten their anti-viral defences.
Statement II: Interferons are so called as they have the ability to "interfere" with viral replication.
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: Fungal Infection & Concept of Immunity |
76%
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The given figure shows a ‘Natural Killer’ cell.
I. They are a type of lymphocyte.
II. They are critical to the innate immune system.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I. They are a type of lymphocyte.
II. They are critical to the innate immune system.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Human Immune System |
73%
From NCERT
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The given diagram shows a lung condition where breathing is difficult; fever, chills, cough and headache are common symptoms and in severe cases, the lips and finger nails may turn gray to bluish in colour. The condition is most likely:
1. Emphysema
2. Bronchial Asthma
3. Pneumonia
4. Pneumoconiosis
1. Emphysema
2. Bronchial Asthma
3. Pneumonia
4. Pneumoconiosis
Subtopic: Pneumonia & Related Questions |
90%
From NCERT
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The ‘F – Diagram’ below shows the different faecal-oral transmission routes. All the following diseases can be transmitted by this route except:
1. Amoebic dysentery
2. Ascariasis
3. Typhoid
4. Dengue
1. Amoebic dysentery
2. Ascariasis
3. Typhoid
4. Dengue
Subtopic: Typhoid Fever | Common Cold & Malaria Introduction | Amoebiasis | Ascariasis & Filariasis |
From NCERT
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The diagram shows Major modes of transmission of respiratory viruses during short-range and long-range transmission. The mode of transmission is responsible for the spread of SarsCoV2 responsible for Covid-19 pandemic. Consider the given two statements:
Assertion: Non-pharmaceutical interventions become the most important public health measures that individuals or communities can adopt to reduce respiratory virus transmission at the early stages of the pandemic.
Reason: Vaccines and drugs specific for the virus are not available at the early stage of the pandemic and emergence of new viral strains can render pharmaceutical interventions less effective.
1. Both Assertion and Reason are true but the Reason does not explain the Assertion
2. Both Assertion and Reason are true and the Reason correctly explains the Assertion.
3. Both Assertion and Reason are false
4. Assertion is true but Reason is false.
Assertion: Non-pharmaceutical interventions become the most important public health measures that individuals or communities can adopt to reduce respiratory virus transmission at the early stages of the pandemic.
Reason: Vaccines and drugs specific for the virus are not available at the early stage of the pandemic and emergence of new viral strains can render pharmaceutical interventions less effective.
1. Both Assertion and Reason are true but the Reason does not explain the Assertion
2. Both Assertion and Reason are true and the Reason correctly explains the Assertion.
3. Both Assertion and Reason are false
4. Assertion is true but Reason is false.
Subtopic: Introduction |
59%
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What are A, B and C in the given diagram?
| A | B | C | |
| 1. | Proto-oncogene | Viral oncogene | Reverse transcriptase |
| 2. | Oncogene | Viral oncogene | DNA dependent DNA polymerase |
| 3. | Viral-oncogene | Proto-oncogene | DNA dependent DNA polymerase |
| 4. | Proto-oncogene | Oncogene | DNA dependent RNA polymerase |
Subtopic: Cancer |
66%
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