Question 1

In monocots, the root system commonly develops from:

Accepted Answer

A)  branch roots. 
B)  stem-borne roots. 
C)  the primary root. 
D)  the secondary root. 
E)  the taproot. 
A)  branch roots. 
B)  stem-borne roots. 
C)  the primary root. 
D)  the secondary root. 
E)  the taproot.

Question 2

The cotyledon of grasses is called a scutellum.

Accepted Answer

A) True 
 B)False

Question 3

In hypogeous germination, the cotyledons remain in the soil.

Accepted Answer

A) True 
 B)False

Question 4

Which primary meristem forms first?

Accepted Answer

A)  shoot apical meristem 
B)  root apical meristem 
C)  ground meristem 
D)  protoderm 
E)  procambium 
A)  shoot apical meristem 
B)  root apical meristem 
C)  ground meristem 
D)  protoderm 
E)  procambium

Question 5

In the pea (Pisum sativum), the ______ forms the hook that pushes to the soil surface during seed germination.

Accepted Answer

A)  coleoptile 
B)  cotyledon 
C)  hypocotyl 
D)  epicotyl 
E)  radicle 
A)  coleoptile 
B)  cotyledon 
C)  hypocotyl 
D)  epicotyl 
E)  radicle

Question 6

In eudicots, in which most of the endosperm is absorbed by the embryo, the cotyledons:

Accepted Answer

A)  are large and fleshy. 
B)  are thin and membranous. 
C)  develop into the scutellum. 
D)  are absent. 
E)  absorb stored food during resumption of embryonic growth. 
A)  are large and fleshy. 
B)  are thin and membranous. 
C)  develop into the scutellum. 
D)  are absent. 
E)  absorb stored food during resumption of embryonic growth.

Question 7

Which of the following statements about the seed coat is FALSE?

Accepted Answer

A)  It develops from the ovary. 
B)  It protects the embryo. 
C)  It may be papery or very hard. 
D)  It may be impermeable to water. 
E)  The micropyle may be visible on the seed coat. 
A)  It develops from the ovary. 
B)  It protects the embryo. 
C)  It may be papery or very hard. 
D)  It may be impermeable to water. 
E)  The micropyle may be visible on the seed coat.

Question 8

A quiescent seed will not germinate even when external conditions are favorable.

Accepted Answer

A) True 
 B)False

Question 9

During early embryogenesis, the ground meristem surrounds the:

Accepted Answer

A)  epidermis. 
B)  procambium. 
C)  protoderm. 
D)  epidermis 
E)  ground tissues. 
A)  epidermis. 
B)  procambium. 
C)  protoderm. 
D)  epidermis 
E)  ground tissues.

Question 10

The embryonic root is called the radicle.

Accepted Answer

A) True 
 B)False

Question 11

The suspensor is part of the embryo proper.

Accepted Answer

A) True 
 B)False

Question 12

In the heart stage of development, the lobes of the "heart" are the cotyledons.

Accepted Answer

A) True 
 B)False

Question 13

The ______ is usually the first structure to emerge from a germinating seed.

Accepted Answer

A)  epicotyl 
B)  hypocotyl 
C)  cotyledon 
D)  root 
E)  coleoptile 
A)  epicotyl 
B)  hypocotyl 
C)  cotyledon 
D)  root 
E)  coleoptile

Question 14

The protoderm is formed by anticlinal divisions of the outermost cells of the embryo proper.

Accepted Answer

A) True 
 B)False

Question 15

In most angiosperms, the first division of the zygote is symmetrical and longitudinal to the long axis of the zygote.

Accepted Answer

A) True 
 B)False

Question 16

The root and shoot apical meristems first become discernible during the transition between the ______ and ______.

Accepted Answer

A)  proembryo; globular stage 
B)  torpedo stage; proembryo 
C)  heart stage; globular stage 
D)  globular stage; torpedo stage 
E)  torpedo stage; embryo proper 
A)  proembryo; globular stage 
B)  torpedo stage; proembryo 
C)  heart stage; globular stage 
D)  globular stage; torpedo stage 
E)  torpedo stage; embryo proper

Question 17

Before the seed coat ruptures during germination, glucose breakdown may be entirely anaerobic.

Accepted Answer

A) True 
 B)False

Question 18

In monocots, the cotyledon can have all of the following functions EXCEPT:

Accepted Answer

A)  protection of the plumule. 
B)  photosynthesis. 
C)  absorption of nutrients. 
D)  storage of nutrients. 
E)  transport of nutrients. 
A)  protection of the plumule. 
B)  photosynthesis. 
C)  absorption of nutrients. 
D)  storage of nutrients. 
E)  transport of nutrients.

Question 19

A quiescent seed is different from a dormant seed in that a quiescent seed will germinate:

Accepted Answer

A)  when hydrated. 
B)  under anaerobic conditions. 
C)  in the presence of growth inhibitors. 
D)  when the embryo is physiologically immature. 
E)  under suboptimal temperature conditions. 
A)  when hydrated. 
B)  under anaerobic conditions. 
C)  in the presence of growth inhibitors. 
D)  when the embryo is physiologically immature. 
E)  under suboptimal temperature conditions.

Question 20

Before a seed can germinate, it must first imbibe water.

Accepted Answer

A) True 
 B)False

Exam 22: Early Development of the Plant Body

In monocots, the root system commonly develops from:

The cotyledon of grasses is called a scutellum.

In hypogeous germination, the cotyledons remain in the soil.

Which primary meristem forms first?

In the pea (Pisum sativum), the ______ forms the hook that pushes to the soil surface during seed germination.

In eudicots, in which most of the endosperm is absorbed by the embryo, the cotyledons:

Which of the following statements about the seed coat is FALSE?

A quiescent seed will not germinate even when external conditions are favorable.

During early embryogenesis, the ground meristem surrounds the:

The embryonic root is called the radicle.

The suspensor is part of the embryo proper.

In the heart stage of development, the lobes of the "heart" are the cotyledons.

The ______ is usually the first structure to emerge from a germinating seed.

The protoderm is formed by anticlinal divisions of the outermost cells of the embryo proper.

In most angiosperms, the first division of the zygote is symmetrical and longitudinal to the long axis of the zygote.

The root and shoot apical meristems first become discernible during the transition between the ______ and ______.

Before the seed coat ruptures during germination, glucose breakdown may be entirely anaerobic.

In monocots, the cotyledon can have all of the following functions EXCEPT:

A quiescent seed is different from a dormant seed in that a quiescent seed will germinate:

Before a seed can germinate, it must first imbibe water.

Botany: an Introduction

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Movement of Substances Into and Out of Cells

The Flow of Energy

Respiration

Photosynthesis, Light, and Life

Sexual Reproduction and Heredity

The Chemistry of Heredity and Gene Expression

Recombinant Dna Technology, Plant Biotechnology, and Genomics

The Process of Evolution

Systematics: the Science of Biological Diversity

Prokaryotes and Viruses

Fungi

Protists: Algae and Heterotrophic Protists

Bryophytes

Seedless Vascular Plants

Gymnosperms

Introduction to the Angiosperms

Evolution of the Angiosperms

Plants and People

Cells and Tissues of the Plant Body

The Root: Structure and Development

The Shoot: Primary Structure and Development

Secondary Growth in Stems

Regulating Growth and Development: the Plant Hormones

External Factors and Plant Growth

Plant Nutrition and Soils

The Movement of Water and Solutes in Plants

The Dynamics of Communities and Ecosystems

Global Ecology

Filters

The root and shoot apical meristems first become discernible during the transition between the and .