Question 1

Cell division in the apical meristems at the tips of a plant that results in increases in height or length is called

Accepted Answer

A) primary growth. 
B) secondary growth. 
C) vascular cambium growth. 
D) mitotic growth. 
A) primary growth. 
B) secondary growth. 
C) vascular cambium growth. 
D) mitotic growth.

Question 2

Compound leaves

Accepted Answer

A) have two or more petioles per blade. 
B) have a blade divided into leaflets. 
C) are toothed at the edges. 
D) are alternately arranged. 
A) have two or more petioles per blade. 
B) have a blade divided into leaflets. 
C) are toothed at the edges. 
D) are alternately arranged.

Question 3

If you examined a cross section of a woody stem under the microscope and located the vascular cambium, the tissues on the inside of the vascular cambium ring (towards the center of the stem) would be

Accepted Answer

A) xylem (primary and secondary). 
B) xylem (only primary). 
C) phloem (primary and secondary). 
D) phloem (only secondary). 
A) xylem (primary and secondary). 
B) xylem (only primary). 
C) phloem (primary and secondary). 
D) phloem (only secondary).

Question 4

The slender stalk that connects the flattened leaf blade to the stem in most dicots is the

Accepted Answer

A) meristem. 
B) petiole. 
C) stele. 
D) receptacle. 
A) meristem. 
B) petiole. 
C) stele. 
D) receptacle.

Question 5

Which of these is not a possible function of trichomes?

Accepted Answer

A) reflect light from leaf surfaces 
B) store or secrete salt 
C) defend against insects 
D) structural support 
A) reflect light from leaf surfaces 
B) store or secrete salt 
C) defend against insects 
D) structural support

Question 6

The most distinctive characteristic of leaf mesophyll cells is that they are filled with

Accepted Answer

A) central vacuoles. 
B) many chloroplasts. 
C) oxygen bubbles. 
D) veins. 
A) central vacuoles. 
B) many chloroplasts. 
C) oxygen bubbles. 
D) veins.

Question 7

Which of these is not a function of the root cap?

Accepted Answer

A) gravity perception 
B) rapid cell division 
C) protection of the root tip 
D) pushing away soil particles as the root grows 
A) gravity perception 
B) rapid cell division 
C) protection of the root tip 
D) pushing away soil particles as the root grows

Question 8

Primary growth at the apical meristems can produce cells that differentiate into each of these cell types, except which?

Accepted Answer

A) leaves 
B) ground tissue 
C) procambium 
D) cork cambium 
A) leaves 
B) ground tissue 
C) procambium 
D) cork cambium

Question 9

You propose an experiment where root hairs of a particular plant species are continuously treated with an antibiotic while nutrient levels in the plant tissue are monitored.Based on your knowledge of root hairs, you hypothesize the plant will experience a deficiency in what nutrient?

Accepted Answer

A) potassium 
B) nitrogen 
C) calcium 
D) phosphorus 
A) potassium 
B) nitrogen 
C) calcium 
D) phosphorus

Question 10

An increase in plant diameter results from cell division in which type of meristem?

Accepted Answer

A) intercalary meristem 
B) lateral meristem 
C) primary meristem 
D) secondary meristem 
A) intercalary meristem 
B) lateral meristem 
C) primary meristem 
D) secondary meristem

Question 11

You come across a recipe for rhubarb pie.Never having heard of rhubarb, you do a little research.You find out that the part of a rhubarb plant that people eat is the petiole of a large leaf.You purchase some rhubarb for your pie and notice that it contains many long stringy fibers.Based on your knowledge of plant tissues, you know that the stringy fibers are

Accepted Answer

A) parenchyma tissue. 
B) phloem tissue. 
C) sclerenchyma tissue. 
D) collenchyma tissue. 
A) parenchyma tissue. 
B) phloem tissue. 
C) sclerenchyma tissue. 
D) collenchyma tissue.

Question 12

How could you distinguish between a root hair versus a very small root?

Accepted Answer

A) Root hairs are white, while roots are brown. 
B) Root hairs are extensions of single cells, while roots are multicellular. 
C) Root hairs only absorb water, not nutrients like roots. 
D) Root hairs do not have a cuticle. 
A) Root hairs are white, while roots are brown. 
B) Root hairs are extensions of single cells, while roots are multicellular. 
C) Root hairs only absorb water, not nutrients like roots. 
D) Root hairs do not have a cuticle.

Question 13

Which statement about secondary growth in plants is not correct?

Accepted Answer

A) Secondary growth in plants is a result of lateral meristems.Trees and shrubs have active lateral meristems. 
B) Secondary growth in plants increases the girth (diameter) of woody plants. 
C) Secondary growth in woody plants results from two cylinders of actively dividing cells, the cork cambium and vascular cambium. 
D) The cork cambium produces secondary phloem while the vascular cambium produces secondary xylem. 
A) Secondary growth in plants is a result of lateral meristems.Trees and shrubs have active lateral meristems. 
B) Secondary growth in plants increases the girth (diameter) of woody plants. 
C) Secondary growth in woody plants results from two cylinders of actively dividing cells, the cork cambium and vascular cambium. 
D) The cork cambium produces secondary phloem while the vascular cambium produces secondary xylem.

Question 14

A birdhouse is nailed into a tree 6 feet up from the ground.If the tree grows about 2 feet taller each year, where will the birdhouse be 25 years later?

Accepted Answer

A) 50 feet 
B) 56 feet 
C) 26 feet 
D) 6 feet 
A) 50 feet 
B) 56 feet 
C) 26 feet 
D) 6 feet

Question 15

Secondary phloem

Accepted Answer

A) includes live companion cells and dead sieve cells. 
B) encompasses more stem volume than secondary xylem. 
C) primarily stores carbohydrates. 
D) is part of the inner bark. 
A) includes live companion cells and dead sieve cells. 
B) encompasses more stem volume than secondary xylem. 
C) primarily stores carbohydrates. 
D) is part of the inner bark.

Question 16

Which of the following is not true about meristems?

Accepted Answer

A) They can be apical or lateral. 
B) Meristematic cells divide into two cells, one of which remains a meristem cell and another that becomes a plant body cell. 
C) Apical meristems give rise to three types of embryonic tissues. 
D) Meristematic cells are found only in eudicots and not in monocots. 
A) They can be apical or lateral. 
B) Meristematic cells divide into two cells, one of which remains a meristem cell and another that becomes a plant body cell. 
C) Apical meristems give rise to three types of embryonic tissues. 
D) Meristematic cells are found only in eudicots and not in monocots.

Question 17

Root hairs grow actively in which area of the developing roots?

Accepted Answer

A) root cap 
B) zone of maturation 
C) zone of elongation 
D) zone of cell division 
A) root cap 
B) zone of maturation 
C) zone of elongation 
D) zone of cell division

Question 18

The name of the meristem that ultimately gives rise to secondary xylem and phloem is the

Accepted Answer

A) vascular cambium. 
B) cork cambium. 
C) intercalary meristems. 
D) ground meristem. 
A) vascular cambium. 
B) cork cambium. 
C) intercalary meristems. 
D) ground meristem.

Question 19

In an experiment, some herbaceous, nonwoody plants were exposed to frequent windy conditions or mechanical shaking for several hours per day.The flexibility of these plants was due to the _____________ cells.

Accepted Answer

A) parenchyma 
B) aerenchyma 
C) periderm 
D) collenchyma 
A) parenchyma 
B) aerenchyma 
C) periderm 
D) collenchyma

Question 20

Which statement concerning root hairs is not correct?

Accepted Answer

A) Root hairs are tubular extensions of individual epidermal cells. 
B) A root hair is isolated from its epidermal cell with a cross wall. 
C) Root hairs generally live only a few days before being sloughed off. 
D) Root hairs increase the absorption of water and minerals. 
A) Root hairs are tubular extensions of individual epidermal cells. 
B) A root hair is isolated from its epidermal cell with a cross wall. 
C) Root hairs generally live only a few days before being sloughed off. 
D) Root hairs increase the absorption of water and minerals.

Exam 36: Plant Form

Cell division in the apical meristems at the tips of a plant that results in increases in height or length is called

Compound leaves

If you examined a cross section of a woody stem under the microscope and located the vascular cambium, the tissues on the inside of the vascular cambium ring (towards the center of the stem) would be

The slender stalk that connects the flattened leaf blade to the stem in most dicots is the

Which of these is not a possible function of trichomes?

The most distinctive characteristic of leaf mesophyll cells is that they are filled with

Which of these is not a function of the root cap?

Primary growth at the apical meristems can produce cells that differentiate into each of these cell types, except which?

You propose an experiment where root hairs of a particular plant species are continuously treated with an antibiotic while nutrient levels in the plant tissue are monitored.Based on your knowledge of root hairs, you hypothesize the plant will experience a deficiency in what nutrient?

An increase in plant diameter results from cell division in which type of meristem?

How could you distinguish between a root hair versus a very small root?

Which statement about secondary growth in plants is not correct?

A birdhouse is nailed into a tree 6 feet up from the ground.If the tree grows about 2 feet taller each year, where will the birdhouse be 25 years later?

Secondary phloem

Which of the following is not true about meristems?

Root hairs grow actively in which area of the developing roots?

The name of the meristem that ultimately gives rise to secondary xylem and phloem is the

In an experiment, some herbaceous, nonwoody plants were exposed to frequent windy conditions or mechanical shaking for several hours per day.The flexibility of these plants was due to the _____________ cells.

Which statement concerning root hairs is not correct?

The Science of Biology

The Nature of Molecules and the Properties of Water

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes, Mapping, and the Meiosis-Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics, Phylogenies, and Comparative Biology

Genome Evolution

Evolution of Development

The Origin and Diversity of Life

Viruses

Prokaryotes

Protists

Seedless Plants

Seed Plants

Fungi

Animal Diversity and the Evolution of Body Plans

Protostomes

Deuterostomes

Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

The Nervous System

Sensory Systems

The Endocrine System

The Musculoskeletal System

The Digestive System

The Respiratory System

The Circulatory System

Osmotic Regulation and the Urinary System

The Immune System

The Reproductive System

Animal Development

Behavioral Biology

Ecology of Individuals and Populations

Community Ecology

Dynamics of Ecosystems

The Biosphere

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