Question 1

Which of the following best describes the primary function of xylem tissue in plants?

Accepted Answer

Transport water and dissolved nutrients from roots to shoots

Question 2

A plant growing in a region with freezing winters drops its leaves in the fall. What is the main advantage of this adaptation?

Accepted Answer

It prevents water loss and nutrient depletion during cold months.

Question 3

Which equation correctly represents the process of photosynthesis in plants?

Accepted Answer

$$6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6$ + 6O_2$$

Question 4

Which plant tissue is responsible for the majority of photosynthesis and storage of carbohydrates?

Accepted Answer

Ground tissue

Question 5

A plant is found growing on the branches of a tree, obtaining water and nutrients from the air and rain. What is this type of plant called?

Accepted Answer

Epiphyte

Question 6

Which of the following is NOT a function of the root system in plants?

Accepted Answer

Transporting sugars to leaves

Question 7

Which adaptation helps gymnosperms survive in cold, snowy environments?

Accepted Answer

Needle-shaped leaves with thick cuticles

Question 8

Which of the following best describes the role of mycorrhizal fungi in plant roots?

Accepted Answer

They decompose organic matter and exchange nutrients for carbohydrates.

Question 9

Which of the following is a correct pairing of plant organ and its primary function?

Accepted Answer

Root – absorption of water and nutrients

Question 10

A plant has a large, thick central root with smaller lateral roots branching off. What type of root system is this, and which group of plants commonly has it?

Accepted Answer

Taproot system; gymnosperms and dicots

Question 11

Which of the following is a function of the waxy cuticle found on plant leaves?

Accepted Answer

Prevents water loss

Question 12

Which cell type in ground tissue is dead at maturity and provides structural support due to lignin in its cell walls?

Accepted Answer

Sclerenchyma

Question 13

Which of the following best explains why fibrous root systems are effective at preventing soil erosion?

Accepted Answer

They hold upper soil layers in place with many small roots.

Question 14

Which plant tissue is responsible for forming new roots and shoots through mitosis?

Accepted Answer

Meristematic tissue

Question 15

A plant is unable to close its stomata due to a genetic mutation. What is the most likely consequence?

Accepted Answer

The plant will lose excessive water and may wilt.

Question 16

Which of the following is a real-world example of a mutualistic relationship involving plant roots?

Accepted Answer

A legume hosting nitrogen-fixing bacteria in root nodules

Question 17

Which of the following is NOT a function of dermal tissue in plants?

Accepted Answer

Transport of water and nutrients

Question 18

Which of the following best describes the function of phloem tissue?

Accepted Answer

Transports sugars from leaves to roots and other non-photosynthetic parts

Question 19

A plant produces chemicals that taste bad or are toxic to herbivores. What is the primary function of this adaptation?

Accepted Answer

To deter herbivores and reduce damage

Question 20

Which of the following is a correct sequence of events for the formation of new plant organs?

Accepted Answer

Mitosis in meristematic tissue, followed by cell specialization

L9 Biodiversity

Study Guide - Practice Questions

Study Guide - Flashcards