Foetus receive some antibodies from the mother through placenta during pregnancy. This is an example of
1 Naturally acquired active immunity
2 Artificially acquired passive immunity
3 Naturally acquired passive immunity
4 Artificially acquired active immunity
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
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
-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
Disease | Causal organism and Part it inputs |
Medium of transfer |
Common cold | A | Droplets from sneezing of infected persons |
B | Trichophyton Skin, nails and scalp |
Using towels of infected individuals |
Pneumonia | C | Droplets/aerosols Released by an infected person, sharing utensils |
Filariasis | Wuchereria Lymphatic vessels | D |
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