Assertion(A): | Non-pharmaceutical interventions become the most important public health measures that individuals or communities can adopt to reduce respiratory virus transmission at the early stages of the pandemic. |
Reason(R): | Vaccines and drugs specific for the virus are not available at the early stage of the pandemic and emergence of new viral strains can render pharmaceutical interventions less effective. |
1. | Both (A) and (R) are true but (R) does not explain (A) |
2. | Both (A) and (R) are true and (R) correctly explains (A). |
3. | Both (A) and (R) are false |
4. | (A) is true but (R) is false. |
A | B | C | |
1. | Proto-oncogene | Viral oncogene | Reverse transcriptase |
2. | Oncogene | Viral oncogene | DNA dependent DNA polymerase |
3. | Viral-oncogene | Proto-oncogene | DNA dependent DNA polymerase |
4. | Proto-oncogene | Oncogene | DNA dependent RNA polymerase |
COLUMN I | COLUMN II |
A | Antibodies from other sources |
B | Immunization |
C | Exposure to infectious agents |
D | Maternal antibodies |
Antibodies from other sources | Immunization | Exposure to infectious agents | Maternal antibodies | |
1. | A | B | C | D |
2. | D | A | C | B |
3. | C | B | A | A |
4. | D | B | A | C |
Assertion(A): | Most parasites are pathogens. |
Reason(R): | They cause harm to the host by living in (or on) them. |
1. | Both (A) and (R) are true and (R) correctly explains (A). |
2. | Both (A)and (R) are false |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are true but (R) does not explain (A) |
1. | the release of cytokines like interferons by natural killer cells |
2. | the release of histamine and serotonin like chemicals in tissue by basophils |
3. | the release of lysozyme into the body fluids in response to allergens |
4. | the release of histamine and serotonin like chemicals in tissue by mast cells |