quiz04_answers - Student Name _ Weed Science, PLS 4601c...

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Student Name _____________________________________________ Weed Science, PLS 4601c Section 7644 and Grad. – Prin. Of Weed Science AGR 6932 Section 9212 University of Florida - Davie http://grove.ufl.edu/~turf/weedscience/ Philip Busey, [email protected] 954-579-3932 (cell) May 28, 2009 Quiz 4 1. An herbicide that contains arsenic is: a) Arsenal b) Atrazine c) MSMA <<<<<<<< d) Triazine e) Trimec 2. The fruit of the grass plant is a caryopsis because it is usually: a) dry, many ovules, and fruit wall is fused to the mature ovule b) dry, one ovule, and fruit wall is fused to the mature ovule <<<<<< c) fleshy, many ovules, and fruit wall is fused to the mature ovule d) fleshy, one ovule, and fruit wall is fused to the mature ovule e) None of the above 3. Weeds in the Asteraceae family are: a) broadleaf weeds <<<<<<<< b) grass weeds c) sedge weeds d) All of the above e) None of the above 4. Which is an example of the harm caused by weeds? a) Common ragweed induces hay fever in sensitive individuals b) Water lettuce, an aquatic weed, plugs up river highways in New
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This note was uploaded on 07/23/2011 for the course PLS 4601c taught by Professor Busey during the Summer '09 term at University of Florida.

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quiz04_answers - Student Name _ Weed Science, PLS 4601c...

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