Multiple ChoiceWhich of the following best describes the primary functions of the roots of a plant?14views
Multiple ChoiceWhich plant part is primarily responsible for the absorption of water and nutrients?168views
Multiple ChoiceLeaves occur at intervals along the plant stem. What is the region where a leaf is attached to the stem? 1006views
Multiple ChoiceThe shoot system of a prickly pear cactus consists of broad paddle-like structures covered with clusters of spines. The spines are modified leaves, so the flat green paddles must be modified versions of what structure? 1448views
Multiple ChoiceA cross section of a plant part exposes epidermis, a thick cortex, and a central cylinder of xylem and phloem. This part is a __________. 1248views
Multiple ChoiceWhich of the following is closest to the center of a buttercup (eudicot) root? 849views
Multiple ChoiceIn most leaves, chloroplast-containing cells are most closely compacted in the __________. 1091views