Question 1

Which of the following best describes the function of the cambium in plants?

Accepted Answer

It produces new layers of xylem and phloem, contributing to secondary growth.

Question 2

A botanist is examining a cross-section of a tree trunk and notices several concentric rings. What do these annual rings primarily indicate?

Accepted Answer

The age of the tree and the environmental conditions during each year.

Question 3

Which of the following is a correct description of the function of xylem tissue?

Accepted Answer

Transports water and dissolved minerals from roots to shoots.

Question 4

A plant is observed to have a thickened stem due to the activity of a lateral meristem. Which meristem is responsible for this secondary growth?

Accepted Answer

Vascular cambium

Question 5

Which of the following best explains why phloem is essential for plant survival?

Accepted Answer

It transports organic nutrients, especially sugars, throughout the plant.

Question 6

A gardener notices that the bark of a tree is damaged. Which of the following tissues is most likely affected?

Accepted Answer

Cork

Question 7

Which of the following statements about primary and secondary growth in plants is correct?

Accepted Answer

Primary growth results from the activity of apical meristems, while secondary growth results from lateral meristems.

Question 8

Which structure protects the delicate apical meristem as a root pushes through the soil?

Accepted Answer

Root cap

Question 9

A plant biologist is studying sieve tube elements. What is their primary function?

Accepted Answer

Transporting sugars and other organic nutrients

Question 10

Which of the following best describes the function of the endodermis in plant roots?

Accepted Answer

It regulates the flow of water and minerals into the vascular cylinder.

Question 11

If a plant's vascular cambium is damaged, which process will be most directly affected?

Accepted Answer

Secondary growth (increase in girth)

Question 12

Which of the following is a function of the pith in plant stems?

Accepted Answer

Storing nutrients and providing internal support

Question 13

A student is asked to identify the tissue responsible for the formation of bark. Which tissue should they select?

Accepted Answer

Cork cambium

Question 14

Which of the following best describes the function of tracheids in vascular plants?

Accepted Answer

They transport water and provide structural support.

Question 15

A plant is unable to transport sugars from its leaves to its roots. Which structure is most likely malfunctioning?

Accepted Answer

Sieve tube elements

Plant Anatomy and Growth: Essential Vocabulary

Study Guide - Practice Questions