Exam 29: Resource Acquisition, Nutrition, and Transport in Vascular Plants

Plants produce storage products in the form of carbohydrates, proteins, and lipids. Which one of the following is the backbone element in all these stored products?

Several tomato plants are growing in a small garden plot. If soil water potential were to drop significantly on a hot summer afternoon, which of the following would most likely occur?

The enzyme complex nitrogenase catalyzes the reaction that reduces atmospheric nitrogen to

Hyphae form a covering over roots. These hyphae create a large surface area that helps to do which of the following?

An open beaker of pure water has a water potential (Ψ) of

Which of the following statements about nitrogen fixation in root nodules is true?

What is the driving force for the movement of solutes in the phloem of plants?

Some botanists argue that the entire plant should be considered as a single unit rather than a composite of many individual cells. Which of the following cellular structures best supports this view?

Several properties are characteristic of a soil in which typical plants would grow well. Of the following, which would be the least conducive to plant growth?

Carnivorous plants have evolved mechanisms that trap and digest small animals. The products of this digestion are used to supplement the plant's supply of