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 |
Cirrhosis of the liver is caused by the chronic intake of:
1. Opium
2. Alcohol
3. Tobacco (chewing)
4. Cocaine