In malaria infection the rupture of RBCs is associated with release of a toxic substance called 

1 Hypnotoxin

2 Haemozoin

3 Ascaron 

4 Haemotoxin

Subtopic:  Treatment & Life Cycle of Malaria |
 96%
From NCERT
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Which of the following statements is incorrect with respect to malaria?

1 Malaria is a disease caused by a protozoan

2 Malignant malaria is caused by Plasmodium falciparum

3 Parasites enter the mosquito's body and multiply to form sporozoites that are stored in stomach of mosquito

4 Malaria parasites initially multiply within the liver cells in humans

Subtopic:  Common Cold & Malaria Introduction | Treatment & Life Cycle of Malaria |
 86%
From NCERT
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Release of which of the following is responsible for recurrent malarial symptoms?

1 Sporozoites

2 Haemozoin

3 Gametes in blood

4 Hemoglobin

Subtopic:  Common Cold & Malaria Introduction | Treatment & Life Cycle of Malaria |
 84%
From NCERT
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Gambusia is a ..... introduced to feed on .....

1. Mosquito, larvae

2. Fish, mosquito-larvae

3. Frog species, mosquito of stagnant water

4. Snail, Protozoan

Subtopic:  Treatment & Life Cycle of Malaria |
 88%
From NCERT
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The sporozoites that cause infection when a female Anopheles mosquito bites a human being are found in

1 Hepatocytes of human

2 RBCs of mosquito

3 RBCs of man

4 Salivary glands of infected mosquito

Subtopic:  Common Cold & Malaria Introduction | Treatment & Life Cycle of Malaria |
 79%
From NCERT
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Sexual reproduction of parasite (plasmodium) occurs in

(1) Liver

(2) RBC

(3) Mosquito's gut

(4) Blood plasma of human

Subtopic:  Treatment & Life Cycle of Malaria |
 73%
From NCERT
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A person suffering from a disease caused by Plasmodium, experiences chill and fever at the time when?

1. The sporozites released from RBCs are being rapidly killed and broken down inside spleen

2. The trophozites reach maximum growth and give out certain toxins

3. The parasite after its rapid multiplication inside RBCs ruptures them, releasing the stage to enter fresh RBCs

4. The microgametocytes and megagametocytes are being destroyed by the WBCs

Subtopic:  Treatment & Life Cycle of Malaria |
 76%
From NCERT
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In which parts of the body of the host do the following events in the life cycle of Plasmodium take place? For this, match the items given in column l with column ll.

    Column l                                   Column ll

a. Fertilization                             (i) Liver cells/RBC of hosts human beings

b. Development of                       (ii) Body cavity of mosquito

gametocytes 

c. Release of sporozoites              (iii) Stomach of mosquito/vector

d. Asexual reproduction                (iv) RBC of human beings

1. a(iv), b(iii), c(ii), d(i)

2. a(iv), b(iii), c(i), d(ii)

3. a(iii), b(iv), c(ii), d(i)

4. a(i), b(iii), c(iv), d(ii)

Subtopic:  Treatment & Life Cycle of Malaria |
 68%
From NCERT
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Select correct sequence about life cycle of Plasmodium:

1. Sporozoites (human)RBCsLiver cellsGametocytes in bloodBlood meal (female mosquito)Multiply (female mosquito)Sporozoites (female mosquito)

2. Sporozoiters (human)Liver cellsRBCsGametocytes in bloodBlood meal (female mosquito)multiply (female mosquito)Sporozoites (female mosquito)

3. Gametocytes (female mosquito)Gametocytes (human)RBCsMultiplySporozoitesBlood meal (human)Sporozoites (female mosquito)Multiply (female mosquito)Gametocytes (female mosquito)

4. Sporozoites (human)Liver cellsGametocytes in bloodRBCsBlood meal(female mosquito)Multiply (female mosquito)Sporozoites (female mosquito)

Subtopic:  Treatment & Life Cycle of Malaria |
 69%
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Which of the following is mismatched with respect to the following events which occur in the life cycle?

1 Erythrocytic schizogony       : The rupture of RBCs is associated with the release of a toxic substance hemozoin, which is responsible for the chill and high fever
2 Gametocytes : Sexual stages develop in intestine of mosquito
3 Fertilization : Takes place in intestine/stomach of mosquito
4 Schizogony in liver cells :  The parasite reproduces asexually in liver cells bursting the cell and releasing merozoites into the blood
Subtopic:  Treatment & Life Cycle of Malaria |
 63%
From NCERT
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