Question 1

Which of the following is NOT a basic requirement for plant survival?

Accepted Answer

Sugar

Question 2

Which plant tissue is primarily responsible for transporting water and dissolved minerals from roots to leaves?

Accepted Answer

Xylem

Question 3

Which of the following statements about the proton pump in plant cells is INCORRECT?

Accepted Answer

It transports protons down their gradient

Question 4

A plant cell is placed in a solution with a lower water potential than the cell. What will most likely happen?

Accepted Answer

Water will exit the cell

Question 5

Which of the following is NOT a function of guard cells (stomata)?

Accepted Answer

Transport of sugars

Question 6

Which statement about secondary growth in woody plants is correct?

Accepted Answer

It results from the activity of the vascular cambium

Question 7

Which of the following is NOT a modified epidermal cell?

Accepted Answer

Collenchyma

Question 8

Which of the following best describes the difference between diffusion and active transport?

Accepted Answer

Diffusion moves things down a gradient; active transport moves things against a gradient

Question 9

Which of the following statements about nitrogen-fixing bacteria is TRUE?

Accepted Answer

They convert atmospheric N$$_2$$ into ammonia

Question 10

Which of the following is NOT a function of phytochrome?

Accepted Answer

Converting light energy to chemical energy

Question 11

Which statement about the movement of sugars in the phloem is correct?

Accepted Answer

Sugars move from sources to sinks

Question 12

Which of the following is NOT a micronutrient for plants?

Accepted Answer

Potassium

Question 13

Which of the following statements about mycorrhizal associations is FALSE?

Accepted Answer

They occur in animal cells

Question 14

Which of the following is NOT a mechanism plants use to defend against herbivory?

Accepted Answer

Photosynthesis

Question 15

Which of the following is NOT a possible effect of high NaCl (salt) stress on plants?

Accepted Answer

Increasing water uptake by roots

Question 16

Which of the following statements about transpiration is FALSE?

Accepted Answer

It is the movement of sugars through the phloem

Question 17

Which of the following is NOT a function of the endodermis in plant roots?

Accepted Answer

Transporting sugars to leaves

Question 18

Which of the following is NOT a correct statement about the role of potassium ions (K$$^+) in $$guard cells?

Accepted Answer

K$$^+$$ influx causes water to leave the guard cell

Question 19

Which of the following is NOT a way that plants respond to drought stress?

Accepted Answer

Increasing leaf area

Question 20

Which of the following best describes the role of circadian rhythms in plants?

Accepted Answer

They regulate physiological processes in response to daily environmental changes

Plant Structure, Growth, Nutrition, and Responses: Study Guide and Practice Questions

Study Guide - Practice Questions