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

(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

(a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)

(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)

(a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)

Match the following columns and select the correct option:- Column - I Column - II (i) Typhoid (a) Haemophilus influenzae (ii) Malaria (b) Wuchereria bancrofti (iii) Pneumonia (c) Plasmodium vivax (iv) Filariasis (d) Salmonella typhi

( i ) - ( d ) , ( ii ) - ( c ) , ( iii ) - ( a ) , ( iv ) - ( b )

( i ) - ( c ) , ( ii ) - ( d ) , ( iii ) - ( b ) , ( iv ) - ( a )

( i ) - ( a ) , ( ii ) - ( c ) , ( iii ) - ( b ) , ( iv ) - ( d )

( i ) - ( a ) , ( ii ) - ( b ) , ( iii ) - ( d ) , ( iv ) - ( c )

EASY

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Dengue is transmitted by

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Important Questions on Human Health and Disease

EASY

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

The infectious stage of Plasmodium that enters the human body is

MEDIUM

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

At which stage of HIV infection does one usually show symptoms of AIDS?

MEDIUM

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

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

EASY

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

In the life cycle of Plasmodium, fertilization takes place in

EASY

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

Lack of relaxation between successive stimuli in sustained muscle contraction is known as:

MEDIUM

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

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.

EASY

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.

EASY

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

Study the following and pick up the correct combination.

EASY

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

HIV that causes AIDS, first starts destroying:

EASY

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

The active form of Entamoeba histolytica is a protozoan parasite in the

EASY

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

Identify the re-emerging infectious diseases among the following.
A) AIDS
B) Mad cow disease
C) Cholera
D) SARS
E) Dengue
F) TB

EASY

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

Asthma may be attributed to:

MEDIUM

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

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

MEDIUM

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

Match the following columns and select the correct option:-

Column $- I$		Column $- II$
(i)	Typhoid	(a)	Haemophilus influenzae
(ii)	Malaria	(b)	Wuchereria bancrofti
(iii)	Pneumonia	(c)	Plasmodium vivax
(iv)	Filariasis	(d)	Salmonella typhi

MEDIUM

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

Study the following and pick up the incorrect statement:

HARD

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

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:

EASY

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

Identify the sequence of stages in the Golgi cycle of Plasmodium vivax.

a) Schizont

b) Amoeboid

c) Trophozoite

d) Signet-ring

EASY

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

Which of the following sets of diseases is caused by bacteria?

EASY

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

In higher vertebrates, the immune system can distinguish self and non-self cells. If this property is lost due to genetic abnormality and it attacks self cells, then it leads to:

MEDIUM

Biology>Biology in Human Welfare>Human Health and Disease>Transmission of Disease

Statement (S): Mechanical vector merely transfers the infective stage of a parasite.

Reason (R): In this vector, a part of the development of parasite takes place before it gets transferred to another host.

Which of the following is true?

Dengue is transmitted by

Important Questions on Human Health and Disease

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