| 1. The curd contains -----a bacterium which helps to change the milk into curd |
| Lacto bacillus |
| 2. -------------is used for commercial production of alcohol and wine. |
| Yeast |
| 3. Process of conservation of sugar into alcohol is known as ---------------- |
| Fermentation. |
| 4. Disease causing microorganisms are called ------------------------- |
| Pathogens |
| 5. Virus is a Latin word which means ----------------- |
| 6. Virus is a Latin word which means------------------. |
| Poison |
| 7. ------------ are on the border line between living and non-living organisms |
| Virus |
| 8. The study of bacteria is called ------------------------ |
| Bacteriology. |
| 9. Virus was discovered by ------------ in 1892 |
| Ivanowsky |
| 10. ------------ Viruses show both living and non-living characteristics |
| Virus |
| 11. The study of bacteria is called ----------- |
| Bacteriology |
| 12. Bacteria were first observed under a microscope by ------------------ |
| Anton Von Leeuwenhoek |
| 13. The study of algae is called ------------------- |
| Phycology |
| 14. Cocci is ----------shaped) where as Bacilli is --------------shaped bacteria. |
| Spherical, Rod |
| 15. -------------------is a unicellular green algae |
| Chlamydomonas |
| 16. The study of fungi is called -------------- |
| Mycology. |
| 17. Fungi do not possess ---------and led a lead a parasitic or saprophytic mode of life. |
| Chlorophyll |
| 18. A black powdery spot with a network of thread like filaments in fungi , called ----- |
| Hyphae |
| 19. Azatobactor, Clostridium, Rhizobium are ---- fixing bacteria. |
| Nitrogen |
| 20. Oscillatoria, Anabaena and Nostoc are - which increase the soil fertility by fixing atmospheric nitrogen. |
| Blue green algae |
| 21. Vinegar is manufactured from sugar solution using ----------- |
| Acetobacter aceti. |
| 22. Some algae produce dense masses of materials that cover the water surface, thereby decrease the oxygen content of water is called ………….. |
| Algal bloom |
| 23. -----------------is a science which deals with diseases of plants, animals and human beings caused by viruses, bacteria and fungi. |
| Pathology |
| 24. Algal bloom leads to loss of species diversity which is known as ------- |
| Eutrophication |
| 25. Milk is heated to 72oC for 30 minutes and then suddenly cooled to 12oC.is called ----- |
| Pasteurization |
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