Nitrogen fixation is accomplished by:_________?
A. Fungi B. Bacteria from atmosphere C. Plants D. None of these
Agriculture MCQs
Which one of the following clay mineral has the highest CEC?
A. Kaolinite B. Montmorillonite C. Vermiculite D. Illite
“Soil” word derive from which language?
A. English B. Greek C. Latin D. None of the above
Fossils are found in__________type of rocks:
A. Sedimentary rocks B. Metamorphic rocks C. Aqueous rocks D. both A & C
In tomato, Boron deficiency leads to:__________?
A. Silvering B. Piffiness C. Cracking D. All of the above
Soil erosion is __________ of soil from one place ti another place by natural agencies (wind & water):
A. Detachement of soil B. Transportation C. both A & B D. None of these
Fe, Zn, Mn, Mo, Co, Ni, Cu, are also called __________:
A. Micro elements B. Trace elements C. Both A & B D. None of these
Ca, Mg, S are called__________?
A. Primary nutrients B. Minor nutrients C. Excellent nutrients D. None of these
In Balochistan, deserts also exists in _________, which supoorts wind erosion excluding rocky mountains:
A. Desert of Kharan B. Noshki C. Both A & B D. Qilla SaifUllah
Small rivulets or finger like channels formed on the surface of earth by action of water, these channels are of small depth & can be leveled by tillage operations is:
A. Gully erosion B. Sheet erosio. C. Stream bank erosion D. None of these