Basic Science : Kingdom Monera Kingdom Protista QUESTIONS AND ANSWERS :: part4 : 16 to 20
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
16.Pasteurization is performed at |
| 100° for 15 minutes |
| 82° for 30 minutes |
| 72° for 20 minutes |
| 62° for 30 minutes |
17.Photosynthetic bacteria include |
| Nitrobacter and Nitrosomonas |
| Chlorobium and Rhodospirillum |
| Streptococcus and Staphylococcus |
| Chlorobium and Clostridium |
18.The cell wall of bacteria contains |
| Cellulose |
| Hemicellulose |
| Peptidoglycan |
| All the above |
19.The chemotherapeutic substance derived from living organisms that has an inhibitory effect on parasitic organisms is known as |
| Exotoxin |
| Bacteriocide |
| Antibody |
| Antibiotic |
20.Archaebacteria found in salt pans and salt marshes are |
| Methanogens |
| Thermoacidophiles |
| Ruminant symbionts |
| Halophiles |
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