Question 1

Which of the following is NOT a consequence of the invention of agriculture approximately 10,000 years ago?

Accepted Answer

Increase in large-scale cooperation among human groups

Question 2

Which of the following best describes the process of primary endosymbiosis in the evolution of photosynthetic eukaryotes?

Accepted Answer

A nonphotosynthetic eukaryote engulfed a photosynthetic cyanobacterium

Question 3

Which of the following is a feature shared by all members of the clade Viridiplantae?

Accepted Answer

Presence of chlorophyll b

Question 4

Why is cellulose an important molecule in plants?

Accepted Answer

It is the main component of plant cell walls and provides structural support

Question 5

Which adaptation was crucial for the colonization of land by plants?

Accepted Answer

Development of a waxy cuticle to reduce water loss

Question 6

What is the main function of sporopollenin in land plants?

Accepted Answer

To protect spores and pollen from desiccation and decay

Question 7

Which of the following drugs is derived from the bark of the cinchona tree and was historically used to treat malaria?

Accepted Answer

Quinine

Question 8

Which of the following statements about alternation of generations in plants is correct?

Accepted Answer

It involves both a multicellular haploid gametophyte and a multicellular diploid sporophyte

Question 9

Which of the following is NOT a function of plant secondary compounds?

Accepted Answer

Essential for plant metabolism and growth

Question 10

A botanist is studying a plant that stores energy in the form of amylose and amylopectin. Which molecule is being described, and what is its general formula?

Accepted Answer

Starch; $$\mathrm{(C_6H_{10}O_5$)_n}$$

Question 11

Which of the following best explains why plants are considered essential for ecosystem functioning?

Accepted Answer

They produce oxygen and energy used by other organisms

Question 12

Which of the following is a correct pairing of a plant-derived drug and its source plant?

Accepted Answer

Taxol – Yew (Taxus)

Question 13

Which of the following is a unique feature of land plants (embryophytes) compared to their algal ancestors?

Accepted Answer

Retention of the embryo within maternal tissue

Question 14

Which of the following best describes the role of plasmodesmata in plant cells?

Accepted Answer

They are extensions of the cell membrane that allow communication between cells

Question 15

Which adaptation allowed plants to reproduce successfully on land despite the absence of water for sperm movement?

Accepted Answer

Development of pollen grains protected by sporopollenin

Question 16

Which of the following statements about the evolutionary history of plants is correct?

Accepted Answer

Plants and red algae diverged approximately 1.5 billion years ago

Question 17

Which of the following is a correct description of the alternation of generations in land plants?

Accepted Answer

A multicellular diploid sporophyte produces haploid spores by meiosis, which grow into multicellular haploid gametophytes

Question 18

Which of the following is NOT a feature shared by both charophytes and land plants?

Accepted Answer

Alternation of generations

Question 19

Which of the following best explains why a traveler interested in nature should study botany, according to Charles Darwin?

Accepted Answer

Plants form the chief embellishment in all views of nature

Question 20

Which of the following is a correct statement about the importance of plants to humans and ecosystems?

Accepted Answer

Plants provide food, medicines, clothing, and are essential for ecosystem functioning

Plants and the Colonization of Land: Structure, Function, and Importance

Study Guide - Practice Questions

Study Guide - Flashcards