Telegram group: T.me/BBCNOUN ====== SLM305 ====== 1. One of the followings is not an important role of soil organisms fertility improvement improved structur --->> compaction drainage 2. What is the percentage Nitogen content of the atmosphere 65 75 --->> 70 75 3. Earth worms thrive best under which type of condition of soil dry soil --->> moist soil water logged soil acid soil 4. Nematodes are mainly pathogenic to some crops --->> True False none of the above all of the above 5. Morphologically, true algae has the following features except one chloroplast --->> filaments cell wall nucleus 6. Termite mount contain higher amounts of the following soil nutrients except one Mg P K --->> Na 7. one of the followings is not a beneficial role of soil bacteria fertility improvement disease causing --->> drainage structure 8. The following activities of soil organisms are beneficial to plants except one --->> Disease causing nurient cycling nitrogen fixation soil aggregation 9. What is the optimum temperature (degrees centigrade) range for bacteria that are termed mesophiles 43753 --->> 25-35 40-45 0-10 10. Under which soil condition is Nitrogenmostly lost --->> poorly aerated soils highly aerated soils muddy soils drained soils