Skip to main content
Pearson+ LogoPearson+ Logo
Ch. 35 - Vascular Plant Structure, Growth, and Development
Campbell - Campbell Biology 12th Edition
Urry12th EditionCampbell BiologyISBN: 9785794169850Not the one you use?Change textbook
All textbooksUrry 12th EditionCh. 35 - Vascular Plant Structure, Growth, and DevelopmentProblem 7
Chapter 35, Problem 7

Root apical meristems are found
a. Only in taproots.
b. Only in lateral roots.
c. Only in adventitious roots.
d. In all roots.

Verified step by step guidance
1
Understand the concept of root apical meristems: These are regions at the tips of roots where active cell division occurs, allowing the root to grow longer.
Recognize the types of roots: Taproots are the main root that grows vertically downward, lateral roots branch off from the main root, and adventitious roots grow from non-root tissues.
Consider the function of root apical meristems: Since they are responsible for root growth, they are essential in all types of roots to facilitate this growth.
Evaluate each option: Determine if root apical meristems are exclusive to one type of root or if they are present in all types.
Conclude based on the evaluation: Since root apical meristems are necessary for the growth of all roots, they are found in all types of roots, not limited to taproots, lateral roots, or adventitious roots.

Verified video answer for a similar problem:

This video solution was recommended by our tutors as helpful for the problem above.
Video duration:
1m
Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Root Apical Meristem

The root apical meristem is a region of actively dividing cells located at the tip of a root. It is responsible for the growth and elongation of roots, allowing plants to anchor themselves and absorb water and nutrients from the soil. This meristematic tissue is crucial for root development in all types of roots.
Recommended video:
Guided course
07:52
Primary Meristems

Types of Roots

Roots can be classified into different types, including taproots, lateral roots, and adventitious roots. Taproots are the main central roots that grow vertically downward, lateral roots branch off from the main root, and adventitious roots arise from non-root tissues like stems or leaves. Understanding these types helps in identifying where root apical meristems can be found.
Recommended video:
Guided course
07:55
Root System

Meristematic Activity in Roots

Meristematic activity refers to the process of cell division and differentiation in meristem regions, which is essential for plant growth. In roots, this activity occurs in the root apical meristem, enabling the formation of new cells that contribute to root elongation and branching. This activity is present in all roots, regardless of their type.
Recommended video:
Guided course
07:55
Root System
Related Practice
Textbook Question

The phase change of an apical meristem from the juvenile to the mature vegetative phase is often revealed by

a. A change in the morphology of the leaves produced

b. The initiation of secondary growth

c. The formation of lateral roots

d. The activation of floral meristem identity genes

Textbook Question

The vascular cambium gives rise to

a. All xylem

b. All phloem

c. Primary xylem and phloem

d. Secondary xylem and phloem

Textbook Question

The root pericycle is the site where

a. Secondary growth originates.

b. Root hairs originate.

c. Lateral roots originate.

d. The endodermis originates.

1
views
Textbook Question

Suppose a flower had normal expression of genes A and C and expression of gene B in all four whorls. Based on the ABC hypothesis, what would be the structure of that flower, starting at the outermost whorl?

a. Carpel-petal-petal-carpel

b. Petal-petal-stamen-stamen

c. Sepal-carpel-carpel-sepal

d. Sepal-sepal-carpel-carpel

Textbook Question

Which of the following arise(s), directly or indirectly, from meristematic activity?

a. Secondary xylem

b. Leaves

c. Dermal tissue

d. All of the above

1
views
Textbook Question

A strawberry plant mutant that fails to make stolons would suffer from

a. Too little mineral absorption.

b. A tendency to topple over.

c. Too little water absorption.

d. A reduction in asexual reproduction

1
views