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Match the items given in column I with those in column II and select the correct option given below:
No. | Column I | Column II |
| 1. | a) Bacteria b) Microbes c) Psychrophilic bacteria d) Thermophiles | i) Heat-loving microbes ii) Cold loving bacteria iii) Ubiquitous iv) Single-Celled organism |
No. | Column I | Column II |
| 2. | a) Nitrosomonas b) Photosynthetic bacteria c) Chemotrophs d) The heterotrophic bacteria | i) Cannot produce their food ii) Gain energy from chemicals iii) Autotrophic bacteria iv) Utilise the light source |
No. | Column I | Column II |
| 3. | a) Virus replicate b) Virus c) Tobacco mosaic virus d) Retrovirus | i) Plant virus ii) Animal virus iii) Inside the host iv) Do not respire |
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