What are three categories of plant growth regulators used in olericulture?
What will be an ideal response?
• Compounds containing ethylene
• Compounds containing gibberellins
• Plant growth retardants
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High resistance in an electrical circuit can cause ________.
A) Clicking of relays or solenoids B) Slow motor operation C) Dim lights D) All of the above
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A vehicle with carbon-ceramic rotors is being inspected. Servicing these rotors includes ________ the rotors
A) Machining B) Flushing C) Weighing D) Indenting
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For hydronic heating systems, routine maintenance covers the pump and controls, piping, radiators and convectors, and the:
A) Heating coil. B) Fan. C) Boiler. D) Furnace.
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A circle has an area of 12.56 square inches. How long is the radius?
Fill in the blank(s) with the appropriate word(s).
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