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Rice inflorescence is called ______ ?
A. Cob
B. Ear
C. Arrow
D. PanicleWhen seed leaves the fruit or flower is called ________ ?
A. Dissemination
B. Dormancy
C. Quiescent
D. None of themIrregular rock masses formed in the pre-existing cracks & crevices are _______ ?
A. Lacoliths
B. Batholiths
C. Dikes
D. SillsWhat happens when an saline-alkaline soil is reached with water _____ ?
A. pH & Ec both increase
B. pH increase & Ec decrease
C. pH decrease, Ec increase
D. None of themAzotobacter fixes atmospheric nitrogen in the soil by _______ ?
A. Non-symbiotically
B. Symbiotically
C. Can fix A & B
D. None of themMaximum fixation of K occurs _________ ?
A. 1:2 clay mineral
B. 2:2 clay mineral
C. 1:1 clay mineral
D. 2:1 clay mineralConversion of inorganic P to organic P is known as _______ ?
A. Solubilization
B. Mineralization
C. Immobilization
D. a and bN and P sprayed on the leaves at time of flowering results in _______ ?
A. Improve their protein
B. Increase in fruit yield
C. Increase fruit yeid & protein
D. None of themHow many type of soil colloids ?
A. 9
B. 6
C. 4
D. 2Auxin is _____ ?
A. A protein
B. A hormone
C. An enzyme
D. A vitamin