MCQs Agronomy [3]

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1. In aquatic ecosystem, benthos are mostly___________


2. ___________________ herbicides can kill all kinds of weeds


3. ________ is the scientific study of repairing disturbed ecosystems through human intervention


4. In waterlogged soils, like in paddy fields, the concentration of ______ greenhouse gas is high


5. __________is a macronutrient


6. Hypogeal stand establishment occurs in ______ plants


7. Global warming potential of Methane is _________ times that of CO2


8. Initial uptake of water by a dry seed from the surrounding medium is called_________


9. A mass extinction is_______


10. ________ plants can tolerate higher concentration of salts


11. ________________is a compound fertilizer


12. ________________is a simple fertilizer


13. All types of weeds can be used for making compost.


14. _______________ organisms obtain their food from decaying organic matter


15. __________ are the two most important factors that affect seed quality


16. _____________ are crop plants growing out of their proper place


17. ____________ are the major form of carbohydrates stored in plant seeds


18. _____________ is a cultural method of weed control by avoiding weed emergence in the field


19. __________ is a single factor that regulates all other factors of environment


20. Chemical formula of Murate of Potash (MOP) is _________________


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