1. | B-lymphocytes | 2. | leucocytes |
3. | helper T-lymphocytes | 4. | thrombocytes |
The active form of Entamoeba histolytica feeds upon:
Which is the particular type of drug that is obtained from the plants whose one flowering branch is shown below?
1. | Hallucinogen | 2. | Depressant |
3. | Stimulant | 4. | Pain-Killer |
Motile zygote of Plasmodium occurs in:
1. Gut of female Anopheles
2. Salivary glands of Anopheles
3. Human RBCs
4. Human liver
Widal test is carried out to test:
1. | Malaria | 2. | Diabetes mellitus |
3. | HIV/AIDS | 4. | typhoid fever |
Common cold differs from pneumonia in, that:
1. | Pneumonia is a communicable disease, whereas common cold is a nutritional deficiency disease |
2. | Pneumonia can be prevented by a live attenuated bacterial vaccine, whereas the common cold has no effective vaccine |
3. | Common cold is caused by a virus, while Pneumonia is caused by a bacterium. |
4. | Pneumonia pathogen infects alveoli whereas common cold affects the nose and the respiratory passage but not the lungs |
Which one of the following is not a property of cancerous cells, whereas the remaining three are?
1. They compete with normal cells for vital nutrients
2. They do not remain confined in the area of formation
3. They divide in an uncontrolled manner
4. They show contact inhibition
In which one of the following options the two examples are correctly matched with their particular type of immunity?
Examples | Type of immunity | |
(a) | Polymorphonuclear leukocytes and monocytes | Cellular barriers |
(b) | Anti-tetanus and anti-snake bite injection | Active immunity |
(c) | Saliva in mouth and tears in eyes | Physical barriers |
(d) | Mucus coating of the epithelium lining the urinogenital tract and HCl in the stomach | Physiological barriers |