Which one of the following is not correctly matched:
1. Culex pipiens – Filariasis
2. Aedes aegypti – Yellow fever
3. Anopheles culifaciens – Leishmaniasis
4. Glossina palpalis – Sleeping sickness
HIV infects:
1. RBC
2. T – helper cells
3. B - cells
4. Basophils
During injury, mast cells secrete:
1. Histamine
2. Heparin
3. Prothrombin
4. Antibodies
What is a vaccine:
1. Treated bacteria, virus & protein
2. Treated algae
3. Treated fungi
4. Treated plasmodium
During viral infection, the protein formed in host cells to resist is:
1. Interferons
2. Antitoxin
3. Antibody
4. Histone
Cancerous cells can easily be destroyed by radiation due to the:
1. Rapid cell division
2. Lack of nutrition
3. Fast mutation
4. Lack of oxygen
The maximum application of animal cell culture technology today is in the production of:
1. Insulin
2. Interfereons
3. Vaccines
4. Edible proteins
Carcinoma refers to:
1. Malignant tumours of the connective tissue
2. Malignant tumours of the skin or mucous membrane
3. Malignant tumours of the colon
4. Benign tumours of the connective tissue
Short-lived immunity acquired from mother to foetus across the placenta or through mother's milk to the infant is categorised as:
1. | Active immunity | 2. | Passive immunity |
3. | Cellular immunity | 4. | Innate non-specific immunity |
What is true about T-lymphocytes in mammals:
1. | There are three main types-cytotoxic T-cells, helper T-cells and suppressor T-cells |
2. | These originate in lymphoid tissues |
3. | They scavenge damaged cells and cellular debris |
4. | These are produced in the thyroid |