What part of the plant is used by tissue culture?
A) Shoots or leaf buds
B) Root cuttings
C) Mallet cuttings
D) Seeds
A
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Answer the following statement(s) true (T) or false (F)
1. Plugging controls provide for the rapid stop and quick reversal of motor rotation. 2. Standard reversing controllers cannot be plugged manually. 3. The torque that operates the plugging switch contacts will vary according to the speed of the motor. 4. You can predetermine the direction of the rotation of motors when the phases are connected externally in proper sequence. 5. A time-delay relay may be used in a motor plugging circuit.
Which of the following can be caused by cross connection of hoses?
A. Piping failure B. Leaking piping C. Stress cracking D. Equipment damage
____________________ flowers are single stem flowers with large rounded heads
Fill in the blank(s) with correct word
How much of the air needed by the engine flows through the PCV system when the engine is at idle speed?
A) 1-3% B) 10-20% C) Up to 30% D) 5-10%