MCQ
What are flocs?
- AMasses of anaerobic bacteria
- BMasses of aerobic fungi only
- CMasses of anaerobic bacteria and fungi
- ✓Masses of aerobic bacteria associated with fungal filaments
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$(1)$ Many members of the genus glomusinvolved micorrhiza
$(2)$ It is responsible for all mineralsabsorption from the soil
$(3)$ Such associations show benefitsagainst draught and salinity in plants
$(4)$ Micorrhiza is a symbiotic relation ofalgae and plants
| | Column A | | Column B |
| (i) | Dodo | (a) | Africa |
| (ii) | Quagga | (b) | Russia |
| (iii) | Thylacine | (c) | Mauritius |
| (iv) | Stellar's sea cow | (d) | Australia |