Give below are two statements :
Statement I: | When an infected female Anopheles mosquito bites, it releases gametocytes of plasmodium into the healthy person. |
Statement II: | The female Anopheles mosquito takes up sporozoites of Plasmodium with blood meal from an infected person, suffering from malaria. |
In the light of the above statements, choose the most appropriate answer from the options give below :
1. | Statement I is correct but Statement II is incorrect |
2. | Statement I is incorrect but Statement II is correct |
3. | Both Statement I and Statement II are correct |
4. | Both Statement I and Statement II are incorrect |
Immuno-suppressants are administered to burn-patients or during organ transplantation to suppress:
1. | Innate immunity | 2. | Cytokine storm |
3. | Humoral immunity | 4. | Cell-mediated immunity |
1. | Inability of recipient to differentiate between 'self and 'non–self' tissues/cells |
2. | Humoral immune response only |
3. | Auto–immune response |
4. | Cell–mediated response |
List-I | List-II |
(a) Cellular barrier | (i) Interferons |
(b) Cytokine barrier | (ii) Mucus |
(c) Physical barrier | (iii) Neutrophils |
(d) Physiological barrier | (iv) HCI in gastric juice |
(a) | (b) | (c) | (d) | |
1. | (ii) | (iii) | (iv) | (i) |
2. | (ii) | (iii) | (i) | (iv) |
3. | (iii) | (iv) | (ii) | (i) |
4. | (iii) | (i) | (ii) | (iv) |
Which fish selectively feed on larvae of mosquitoes?
1. | Gambusia | 2. | Rohu |
3. | Clarias | 4. | Exocoetus |
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
Cancer cells are more easily damaged by radiation than normal cells because they are:
1. | Undergoing rapid division |
2. | Different in structure |
3. | Non-dividing |
4. | Starved of mutation |
Histamine is secreted by:
1. | Mast cells | 2. | Fibroblast |
3. | Histiocytes | 4. | Plasma cells |
Select the correct statement with respect to disease and immunisation:
1. | Injection of snake antivenom against snake bite is an example of active immunisation. |
2. | If due to some reason, B-and T-lymphocytes are damaged, the body will not produce antibodies against a pathogen. |
3. | Injection of dead/inactivated pathogens causes passive immunity. |
4. | Certain protozoans have been used to mass produce hepatitis B vaccine. |
The pathogen Microsporum responsible for ringworm disease in humans belongs to the same Kingdom of organisms at that of:
1. Ascaris, a roundworm
2. Taenia, a tapeworm
3. Wuchereria, a filarial worm
4. Rhizopus, a mould