A Short-Day Plant Exposed to Nights Longer Than the Minimum

question 37

Multiple Choice

A short-day plant exposed to nights longer than the minimum for flowering but interrupted by short flashes of light

• A)will never flower.
• B)might flower depending upon the duration of the light flash.
• C)will not be affected and will flower.
• D)might flower depending upon the wavelengths of the light flashes.

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Definitions:

MCR Instruction

A "Master Control Reset" command used in programmable logic controllers to reset the state of specified outputs to a predefined state.

Master Control Relay

A primary relay used within a control system that can shut down or enable operation of various parts of the system, acting as a safety and control element.

Override Instruction

A command that temporarily bypasses the normal operation of a system or component, allowing manual control.

PLC Instructions

Instructions used within a Programmable Logic Controller (PLC) to execute specific logic, control, and processing tasks.