Which of the following sets represents diseases communicated through contaminated food and water?

1 Typhoid and Tuberculosis

2 Typhoid and Cholera

3 Measles and Rabies

4 Tuberculosis and Measles

Which of the following drugs are used in the treatment of allergy and quickly reduce the symptoms of allergy?

A Antihistamines

B Adrenaline

C Steroids

D  Chloroquine

1 A only

2 A & B

3 A, B & C

4 A, B, C & D

$\alpha$-interferons can

1 Supress the immune system

2 Activate the immune system

3 Destroy a tumor

4 Both (2) & (3)

Entamoeba histolytica is transmitted through

1 Insect bite

2 Bird droppings

3 Sweat

4 Food or water contaminated with faecal matter

Cells involved in specific immune mechanism are

1 Erythrocytes

2 Lymphocytes

3 Eosinophils

4 Thrombocytes

Which of the following statements is not correct about allergies?

1 Allergic tendency can be genetically passed on from parent to child 

2 It is characterised by presence of large titre of lgE antibodies

3 Allergic response involves mast cells and basophils

4 Children living in metro cities are less sensitive to the allergens present in the environment

Take a glance of a part of the life cycle of  plasmodium given below as events A, B, C and D along with their description

 Events                                   Description

	Parasites reproduce asexually in the red bloods cells, bursting the red blood cells and causing  cycles of fever
	Sexual stages (gametocytes) develop in intestine of mosquito
	Fertilization and development take place in intestine/stomach of mosquito
	Mature infective stages (sporozoites) escape from the intestine and  migrate to the mosquito salivary glands

How many of the above events are correctly described?

1. One

2. Two

3. Three

4. Four

Fill in the blanks in the different columns of the table given below

In which one of the following options all the blanks A, B, C and D are correctly filled.

(1) A- Rhinovirus. Nose and respiratory passage not lungs
B - Ringworm
C - Haemophilus influenzae. Alveoli of lungs
D - Contaminated food and water

(2) A- Coryza virus. Alveoli of lungs
B - Ringworm
C - Streptococcus pneumoniae. Nose and respiratory passage
D - Culex mosquito

(3) A- Rhinovirus. Nose and respiratory passage not lungs
B - Ascariasis
C - Haemophilus influenzae. Lungs
D - Culex mosquito

(4) A- Rhinovirus. Nose and respiratory passage not lungs
B - Ringworm
C - Haemophilus influenzae. Alveoli of lungs
D - Culex mosquito

Mark out the incorrect statement regarding infection of Entamoeba histolytica

1 It is a type of monogenetic parasite

2 Stools characterised with excess mucous and blood  clots

3 It is the parasite of small intestine of the human being

4 Housefly act as mechanical carriers of the cysts to contaminate the food and water

Release of which of the following is responsible for recurrent malarial symptoms?

1 Sporozoites

2 Haemozoin

3 Gametes in blood

4 Hemoglobin