Exam 29: The Working Plant

Which of the following hormones promotes fruit ripening and dropping of leaves?

Which of the following best describes the condition of a twig if the auxin produced by its apical meristem is conveyed equally down all sides?

In phytoremediation,plants are used to remove ________ and ________ from the soil.

Boysen-Jensen also used the mica to separate a tip of a grass shoot only partially,by cutting the tip halfway and inserting a wafer of mica into the cut.If this experiment supported the Darwins' hypothesis,what would Boysen-Jensen have observed?

Examine the figure above.Which of the following add ammonium to the soil by decomposing organic matter?

Three very popular strawberry cultivars grown by farmers in the United States are Earliglow,Ozark Beauty,and Tristar.Earliglow produces all of its fruit in the early summer (June-bearing).Ozark Beauty produces fruit from mid to late summer (everbearing).Tristar produces fruit all summer long,starting when conditions become favorable for flowering and fruit production.What is the best classification for these three strawberry cultivars?

Which approach could an organic farmer use to deal with nitrogen deficiency?

Which of the following hormones promotes seed dormancy?

Which of the following plant hormones affect(s)development in the plant body? I)auxin II)cytokinin III)gibberellin

Which of the following hormones promotes cell division?

Which of the following triggers flowering for plants sensitive to photoperiod?

Which of the following statements is TRUE?

Which of the following best describes transpiration?

In a strawberry plant in the summer,the leaves are ________ and the strawberry fruits are ________.

For plants,mycorrhizae are______.

Which of the following convert atmospheric nitrogen to ammonium?

In the figure above,which of the following produce nitrogen in a form that can be used directly by the plant,without need for conversion?