Across
- 3. dengue is spread by ...... mosquito
- 5. Biological treatment of sewage & industrial waste
- 6. study of microorganisms
- 8. Disease causing micro-organisms
- 9. common cold is transmitted by -
- 10. Live inside rocks in cold deserts
Down
- 1. milk tastes sweetish because of presence of sugar
- 2. first antibiotic
- 4. rust of wheat is caused by
- 7. ability of an organism to resist infection