Question 1

Which of the following best describes the process of alternation of generations in plants, as shown in the diagram?

Accepted Answer

A diploid sporophyte produces haploid spores by meiosis, which develop into haploid gametophytes that produce gametes by mitosis.

Question 2

Which structure in the flowering plant diagram is responsible for absorbing water and minerals from the soil?

Accepted Answer

Taproot

Question 3

In the flower diagram, which structure is the site of pollen production?

Accepted Answer

Anther

Question 4

Which of the following is a key adaptation that allowed plants to colonize land?

Accepted Answer

Presence of sporopollenin in spore walls

Question 5

Which plant cell type is primarily responsible for photosynthesis and storage of organic products?

Accepted Answer

Parenchyma cells

Question 6

Which of the following best explains the function of the cuticle in terrestrial plants?

Accepted Answer

It prevents desiccation by reducing water loss from stems and leaves.

Question 7

Which of the following is a difference between monocots and eudicots?

Accepted Answer

Monocots have one cotyledon, while eudicots have two.

Question 8

Which process is responsible for the movement of water and minerals from roots to the rest of the plant?

Accepted Answer

Transport through xylem

Question 9

Which hormone is primarily responsible for cell elongation and is produced in the apical meristem?

Accepted Answer

Auxin

Question 10

A plant is exposed to mechanical stress, such as wind. Which hormone is most likely to mediate the triple response, and what are the three components of this response?

Accepted Answer

Ethylene; slowing of stem elongation, thickening of the stem, and horizontal growth

Question 11

Which of the following best describes the role of mycorrhizae in plant nutrition?

Accepted Answer

They form a mutualistic association with roots, increasing water and mineral absorption.

Question 12

Which structure in the flower diagram is responsible for receiving pollen during pollination?

Accepted Answer

Stigma

Question 13

Which of the following is a function of the phloem in vascular plants?

Accepted Answer

Transporting sugars and organic nutrients throughout the plant

Question 14

Which adaptation is unique to angiosperms and contributes to their reproductive success?

Accepted Answer

Development of flowers and fruits

Question 15

Which process allows plants to obtain essential mineral cations from soil particles?

Accepted Answer

Cation exchange, where $$\mathrm{H^+}$$ ions displace mineral cations from clay particles

Question 16

Which of the following best describes double fertilization in angiosperms?

Accepted Answer

One sperm fertilizes the egg, and the other fuses with two nuclei to form endosperm.

Question 17

Which plant hormone is most closely associated with promoting seed dormancy and inhibiting germination?

Accepted Answer

Abscisic acid (ABA)

Question 18

A plant with a mutation that prevents the formation of lateral meristems would be unable to:

Accepted Answer

Grow in thickness (secondary growth)

Question 19

Which of the following is a real-world example of coevolution between plants and animals?

Accepted Answer

A flower evolving a specific shape to match its pollinator's body, increasing pollination efficiency

Question 20

Which of the following best describes the function of blue-light photoreceptors in plants?

Accepted Answer

They initiate phototropism and control hypocotyl elongation.

Plant Evolution, Structure, Nutrition, and Reproduction: Study Guide for BIOL 191A (Chapters 26, 28, 29, 30, 31)

Study Guide - Practice Questions

Study Guide - Flashcards