Chapter 2

Question 1

Who recognized that flowers are organs intricately designed for plant reproduction and outlined many complex details of plant reproduction?

Answer 1

Christian Konrad Sprengel

Question 2

What is the primary function of a flower in which all of the flower’s parts are involved?

Answer 2

Reproduction

Question 3

What is the term for the plant’s future seeds?

Answer 3

Ovules

Question 4

What part of the flower produces pollen grains?

Answer 4

Anther

Question 5

What part of the flower serves to attract insects or birds that pollinate the plant?

Answer 5

Petals

Question 6

What are leaf-like structures that surround the base of the petals whose jobs are to enclose and protect the developing flower bud until it opens as a fully formed flower?

Answer 6

Sepals

Question 7

What is the transfer of pollen from he anther to the stigma?

Answer 7

Pollination

Question 8

What begins growing once the pollen grain attaches to the stigma?

Answer 8

Pollen tube

Question 9

What are the three main parts of the seed?

Answer 9

1. Embryo
2. Endosperm
3. Seed Coat

Question 10

What is the tiny shoot that will become the stem and leaves?

Answer 10

Plumule

Question 11

What is the small root that will become the root system?

Answer 11

Radicle

Question 12

If a seed has 1 cotyledon, it is called a ___________.

Answer 12

Monocot

Question 13

If a seed has 2 cotyledons, it is called a __________.

Answer 13

Dicot

Question 14

What type of dispersal occurs when the ripened fruit bursts open and scatters seeds?

Answer 14

Mechanical dispersal

Question 15

What type of dispersal occurs when birds, other animals, or the wind aids the plant in dispersal?

Answer 15

Agent dispersal

Question 16

What is the first stage of germination?

Answer 16

Swelling

Question 17

What provides food for the plant until its roots and leaves have developed sufficiently to begin absorbing water, minerals, and food?

Answer 17

Cotyledons

Question 18

What is the plant called once it no longer depends on the cotyledons?

Answer 18

Seedling

Question 19

What are plants that live through two growing seasons to complete their life cycles?

Answer 19

Biennials

Question 20

What is the scientific term for a flowering plant that produces covered seeds?

Answer 20

Angiosperm

Question 21

Which family of flower is actually many small flowers grouped together into a head?

Answer 21

Composite family

Question 22

What are the two types of flowers within a composite flower?

Answer 22

Disk and Ray

Question 23

What is a plant resembling the goldenrod whose pollen causes allergic reactions?

Answer 23

Ragweed

Question 24

What family (also called legumes) helps restore the nutrient nitrogen to the soil in the nitrogen cycle?

Answer 24

Pea family

Question 25

Which family has 5 white or pink petals in a cup-shaped blossom, woody stems, fleshy fruits, and flower parts in multiples of 5?

Answer 25

Rose family

Question 26

Which family gives the appearance of a bird's foot, and is sometimes called the crowfoot family?

Answer 26

Buttercup family

Question 27

The stems of mint family flowers are square and stout, and their flower clusters frequently form ____________.

Answer 27

Spikes

Question 28

Which family contains sweet nectar and has trumpet-shaped flowers?

Answer 28

Honeysuckle family

Question 29

Which family is characterized by umbels?

Answer 29

Parsley family

Question 30

What are arrangements of flowers that have stems of nearly equal length emerging from a common point on the main stem?

Answer 30

Umbels

Question 31

What is another name for the Queen Anne's Lace?

Answer 31

Wild Carrot (Parsley family)

Question 32

Which family has flowers with 5 nectar horns each?

Answer 32

Milkweed family

Question 33

Broad leaves with branching veins, petals in groups of 4 or 5, and a large taproot with secondary rootlets - Are these characteristics of monocots or dicots?

Answer 33

Dicots

Question 34

Long, slender leaves with parallel veins, petals in multiples of 3, and fibrous root systems - Are these characteristics of monocots or dicots?

Answer 34

Monocots

Question 35

What is a structure made of layers of thick, fleshy leaves surrounding a very short stem?

Answer 35

Bulb

Question 36

Which family is most commonly grown from bulbs?

Answer 36

Lily family

Question 37

Which family grows from bulbs, corms, or rhizomes?

Answer 37

Amaryllis family

Question 38

What are underground stems that grow horizontally?

Answer 38

Rhizomes

Question 39

What is the part of the grass plant where the leaf attaches to the stem?

Answer 39

Node

Question 40

What is the creeping stem that grows along the ground?

Answer 40

Stolon

Question 41

What are the fruits of the grass family called?

Answer 41

Grains

Question 42

What is the most important group of plants on earth?

Answer 42

Grasses

Question 43

What is the name of the stalk where most leaf blades attach to the node?

Answer 43

Petiole

Question 44

What is the term for plants that have no petioles, but attach directly to the stem by a sheath, such as grass?

Answer 44

Sessile

Question 45

What is the term for individual leaves that grow in an alternating pattern on the stem?

Answer 45

Alternate leaves

Question 46

What leaf pattern consists of 3 or more leaves growing from the same node on the stem?

Answer 46

Whorl

Question 47

What leaf pattern is a cluster of leaves growing around the base of the plant?

Answer 47

Rosette

Question 48

What type of leaves have only one blade attached to the petiole?

Answer 48

Simple leaves

Question 49

What type of leaf has more than one blade joined to the petiole?

Answer 49

Compound leaves

Question 50

What is the name for the edge of the leaf?

Answer 50

Leaf Margin

Question 51

What are leaves with small, sharp teeth or large, blunt teeth called?

Answer 51

Toothed

Question 52

What type of leaf has extensions of itself that can be blunt or end in a point?

Answer 52

Lobed

Question 53

What type of venation do most monocots have?

Answer 53

Parallel venation

Question 54

What is the term for small veins branching from one main vein?

Answer 54

Pinnate veins