Exam 37: Plant Signals and Responses to the Environment

Which type of plant hormone retards leaf aging?

Which plant hormones are synthesized mainly in root tips and are apparently transported through the plant in xylem sap?

Choose the type of plant chemical or its action most closely associated with the consequence listed below. Each chemical or action may be used more than once. -triggering jasmonate response

How does the application of gibberellin affect monoecious species of plants (plants that have separate "male" and "female" flowers both on the same plant)?

What are statoliths (particles that move in the direction gravity pulls them) typically in plants?

Which type of plant hormone is a gas at normal temperature and pressure?

According to the acid-growth hypothesis, auxin causes increased acidity in cell walls and disrupts bonds between cellulose microfibrils, allowing cell expansion. Which of the following does auxin activate for this to occur?

A pea plant that is not able to make GA₁ will do which of the following?

Which plant hormones are primarily responsible for the growth of a floral stalk in rosette plants such as cabbages?

Which type of plant hormone promotes fruit ripening?

Which type of plant hormone stimulates stomata to close during a drought?

Which plant signalling compounds are produced from structural elements of the cell wall?

Work by Charles Darwin and Francis Darwin was instrumental in the discovery of which plant hormones?

Which plant hormones are primarily responsible for helping break the dormancy of seeds and buds?

In systemic acquired resistance, the regulatory protein NPR-1 moves from the cytoplasm to the cell nucleus. What is this a consequence of?

If you were to start growing roses commercially, where would you probably want to set up your business?

Which of the following statements best describes the movement of IAA in a shoot tip?

Tropisms explain how plants can move from place to place.

Which type of plant hormone is primarily responsible for the bending of a plant shoot toward light?

What happens with P_r and P_fr at night (assuming no artificial lights)?