Q91
Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
Correct Answer
Option D
Solution
(d) Typhoid is caused by Salmonella typhi; the Widal test is the confirmatory test.
Human Health and Disease
Q92
Which of the following diseases is caused by a protozoan?
Correct Answer
Option B
Solution
(b) Babesiosis is a malaria-like disease caused by the protozoon Babesia.
Q93
Which of the following endoparasites of humans shows viviparity?
Correct Answer
Option B
Solution
(b) Trichinella spiralis is a viviparous endoparasite found in human intestine; it produces larvae directly.
Q94
Malaria fever coincides with liberation of
Correct Answer
Option C
Solution
(c) Malarial fever begins with the release of merozoites when RBCs burst in the liver/blood.
Q95
The active form of Entamoeba histolytica feeds upon:
Correct Answer
Option D
Solution
(d) Entamoeba histolytica phagocytoses RBCs and damages mucosa and submucosa of the colon.
Q96
Amoebiasis is prevented by
Correct Answer
Option C
Solution
(c) Amoebiasis is prevented by drinking boiled water to destroy Entamoeba cysts.
Q97
Malignant tertian malarial parasite is
Correct Answer
Option A
Solution
(a) Plasmodium falciparum causes malignant tertian malaria, the most severe form.
Q98
Schizogony stage of Plasmodium occurs in human
Correct Answer
Option C
Solution
(c) Schizogony (asexual stage) occurs in both human erythrocytes and liver cells.
Q99
Which one of the following is a sexually transmitted disease correctly matched with its pathogen?
Correct Answer
Option B
Solution
(b) Syphilis is caused by Treponema pallidum.
Q100
Which of the following is not a sexually transmitted disease?
Correct Answer
Option C
Solution
(c) Encephalitis is brain inflammation (usually viral), not sexually transmitted.
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