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What is gamogony ?

Important Questions on Health and Disease

MEDIUM
Biology>Biology and Human Welfare>Health and Disease>Pathogen Causing Human Diseases
Study the following and pick up the incorrect statement:
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Arrange the following statements in sequence regarding Amoebiasis infection:
1) The trophozoites multiply by binary fission and produce cysts and both stages are passed in the faeces.
2) Trophozoites migrate to the large intestine.
3) Excystation occurs in the small intestine and trophozoites are released.
4) Infection by Entamoeba histolytica occurs by ingestion of mature cysts in fecally contaminated food, water, or hands.
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Biology>Biology and Human Welfare>Health and Disease>Pathogen Causing Human Diseases
The proteinaceous infectious particle which can cause some serious animal diseases are called:
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In which disease does mosquito-transmitted pathogen cause chronic inflammation of lymphatic vessels?
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Which of the following sets of diseases is caused by bacteria?
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Study the following and pick up the correct combination.

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Biology>Biology and Human Welfare>Health and Disease>Pathogen Causing Human Diseases
In the life cycle of Plasmodium, fertilization takes place in
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Identify the sequence of stages in the Golgi cycle of Plasmodium vivax.

a) Schizont

b) Amoeboid

c) Trophozoite

d) Signet-ring

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Biology>Biology and Human Welfare>Health and Disease>Pathogen Causing Human Diseases
Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
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Match the following diseases with the causative organism and select the correct option.

  Column-I   Column-II
(a) Typhoid (i) Wuchereria
(b) Pneumonia (ii) Plasmodium
(c) Filariasis (iii) Salmonella
(d) Malaria (iv) Haemophilus
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The infective stage of malarial parasite is _____.
HARD
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Which of the following endoparasites of humans does show viviparity?
MEDIUM
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Identify correct combinations.

  Primary Host Secondary Host Parasite
A Man Culex Wucheraria
B Man Anopheles Plasmodium
C Man Musca Entamoeba
D Man Absent Ascaris
MEDIUM
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In the erythrocytic cycle of Plasmodium vivax, the following stages are present.
Arrange them in correct sequence.
I) Amoeboid stage
II) Trophozoite
III) Schizont
IV) Signet ring stage
V) Erythrocytic merozoites
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The interval between the first entry of Plasmodium into the blood in the form of sporozoites and the second entry in the form of cryptozoites is called
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Assertion (A): Entamoeba histolytica is a monogenetic parasite.

Reason (R): It is infected by contaminated food.

HARD
Biology>Biology and Human Welfare>Health and Disease>Pathogen Causing Human Diseases
Match the following: 
   List - I     List - II
(a) Cytozoic parasite (i) Lives within the cavities of the host body
(b) Coelozoic parasite (ii) Lives between the cells of the tissue and organs of the host
(c) Histozoic parasite (iii) Lives within the host cells
(d) Hyper parasite (iv) A parasite lives in/on the body of another parasite

The correct answer is:

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Biology>Biology and Human Welfare>Health and Disease>Pathogen Causing Human Diseases
The infectious stage of Plasmodium that enters the human body is
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Which of the following viruses is not transferred through semen of an infected male?
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Biology>Biology and Human Welfare>Health and Disease>Pathogen Causing Human Diseases
The active form of Entamoeba histolytica is a protozoan parasite in the