Exam 36: Roots and Mineral Nutrition

Which of the following statements about acid precipitation is false ?

The most abundant organisms in soil are:

What group of organisms fixes nitrogen?

The ground tissue lacking in the primary eudicot root is:

Unlike eudicot roots, the center of most monocot roots is occupied by the:

In the establishment of rhizobia in a legume, infection threads are found in the:

Buttress roots help trees obtain oxygen from flooded soil.

Sufficient ____ reduces soil erosion.

Which element is a micronutrient in plants?

Lateral roots arise from cells of the cortex .

The two major factors that contribute to the weathering of rock are climate and:

The ideal agricultural soil is:

Figure 36-2 The process illustrated in the accompanying figure is known as:

Which layer of cells controls the movement of nutrient minerals entering the xylem in the root's interior?

Which of the following statements about the pericycle is false ?

An example of a(n) micronutrient is phosphorus.

Prop roots are more common in:

The symplast is the continuum of living cytoplasm .

Minerals move into endodermal cells via:

Which element is correctly matched with its major function in plants?