_______ stage of Plasmodium parasite is not present in humans.
Select the correct option to fill in the blank.
1. Gametocyte
2. Merozoite
3. Ookinete
4. Signet ring

Subtopic:  Treatment & Life Cycle of Malaria |
 51%
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Match column I with column II with respect to diseases and their symptoms or characteristics.
Column -I Column -II
a.Pneumonia (i) Constipation, abdominal pain, stools with excess mucous and blood clots
b.Amoebiasis (ii) Infection occurs in conducting part of human respiratory system
c. Ascariasis (iii) Infection occurs in gaseous exchange
part of human respiratory system
d. Common
cold
(iv) Internal bleeding, fever, anaemia, blockage of intestinal passage

Select the correct option.
1. a(iii), b(i), c(iv), d(ii)
2. a(ii), b(i), c(iv), d(iii)
3. a(iii), b(i), c(ii), d(iv)
4. a(ii), b(iv), c(i), d(iii)
Subtopic:  Pneumonia & Related Questions | Common Cold & Malaria Introduction | Amoebiasis | Ascariasis & Filariasis |
 77%
From NCERT
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Identify the given molecule and select the incorrect option with respect to it.

1. Its receptors are present principally in the brain
2. It is taken by inhalation and oral ingestion
3. It is obtained from Papaver somniferum
4. It affects cardiovascular system of the body
Subtopic:  Drugs & Alcohol Abuse |
 72%
From NCERT
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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 |
 64%
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
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
 
Subtopic:  Human Immune System |
 60%
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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]
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 |
 77%
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
 
Subtopic:  Fungal Infection & Concept of Immunity |
 75%
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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
 
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
 
Subtopic:  Pneumonia & Related Questions |
 89%
From NCERT
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