Phylum Anthophyta-Flowering Plants

Question 1

Angiosperms

Answer 1

Flowering plants

(Contains sperm)

Question 2

Carpel

Answer 2

Modified megasporophyll (container) which enclosed and protects the ovules which layer develop into seeds after fertilization

Question 3

The flower forms on a _______ shoot

This shoot bears both the ______ and _____ appendages

Answer 3

Determinate (one with limited growth)

Sporophylls
Sterile

Question 4

Flowers may be clustered in various ways into aggregations called _____

Answer 4

Inflorescences

Question 5

The stalk of an inflorescence is called a ————-, whereas that of an individual flower in an inflorescence is called a _____

Answer 5

Peduncle

Pedicel

Question 6

The part of the flower stalk to which the floral appendages are attached is termed the _____

Answer 6

Receptacle

Question 7

Flowers of most species contain _____ sets of sterile appendages

What and where are these

Answer 7

2

Sepals
Petals

Attached to the receptacle below the fertile parts of the flower (stamens and carpels)

Question 8

The sepals occur ____ the petals

The stamens occur below the _____

Answer 8

Below

Carpels

Question 9

Collectively, the sepals are known as the _____, and the petals form the ______

Answer 9

Calyx

Corolla

Question 10

The calyx and the Corolla constitute the ______

Answer 10

Perianth

Question 11

Stamens are _________

And collectible they are called the

Answer 11

Microsporophylls

Androecium (house of man)

Question 12

Stamens consist of two main parts:

Answer 12

-slender stalk or filament
-two or four microsporangia or pollen sacs

Question 13

Part of the stamen which is comprised of the pollen sacs

Answer 13

Anther

Question 14

Carpels are the ______

Collectively, the carpels are called the

Answer 14

Megasporophylls

Gynoecium (house of women)

Question 15

Sometimes an insidious carpel or a group of fused carpels is called a ____

Answer 15

Pistil

Question 16

Each carpel or fused group of carpels is differentiated into ——-, _____, and ____ parts

Answer 16

Lower - ovary (enclosed and protects the ovules

Middle - style (connects the stigma with the ovary, nutrition to pollen tube of a germinated pollen grain)

upper - stigma (receives the pollen from the pollinating agent and assists in its germination.

Question 17

Species of flowering plants that have both stamens and carpels are said to be

If it does not have both it is said to be

Answer 17

Perfect

Imperfect - unisexual flowers are said to be either staminate or carpellate

Question 18

If both staminate and carpellate flowers occur on the same plant the species is

If they are found on separate plants the species is said to be

Answer 18

Monoecious

Dioecious

Question 19

Any of the floral parts (sepals, petals, stamens and carpels) may be lacking from a flower. Flowers with all four kinds are called ____

Answer 19

Complete flowers

Question 20

If any part of the flower is lacking the flower is said to be

Answer 20

Incomplete

Question 21

Imperfect flowers are also ____, but not all incomplete flowers are _____

Answer 21

Incomplete

Imperfect

Question 22

The floral parts may be arranged in which ways with respect to their attachment to the receptacle

Answer 22

-spirally
-whirled

Question 23

If the sepals, petals and stamens are attached to the receptacle below the ovary, the overt is said to be ______, and the flower is said to be ____

Answer 23

Superior

Hypogynous

Question 24

I’m some flowers with superior ovaries, the petals and the stamens are attached to the margin of a cup-shaped extension of the receptacle also known as _____

Such flowers are said to be

Answer 24

The hypanthium

Perigynous

Question 25

Some flowers have sepals, petals and stamens apparently grow from the top of the ovary, which is therefore _____ and such flowers are said to be _____

Answer 25

Inferior Epigynous (May also have a hypanthium)

Question 26

Regular or actinomorphic symmetry

Answer 26

The Corolla is made up of floral parts of similar shape and which radiate from the center of the flower and are equidistant from each other (radially symmetrical)

Question 27

Irregular or zygomorphic symmetry

Answer 27

Flowers where one or more members of at least one whorl of floral parts (often petals) are of a different form than other members of the same whorl; that is they are bilaterally symmetrical.

Question 28

Placenta

Answer 28

The portion of the ovary where ovules originate and remain attached until maturity

Question 29

Parietal placentation Axils placentation Free central placentation Basal placentation

Answer 29

Ovules are borne on the ovary wall or on extensions of it Ovules are borne on a central column of tissue in a partitioned ovary with as many chambers as there are carpels. Ovules are borne on a central column of tissue not connected by partitions to the ovary wall Single ovule at the very base of a unilocular ovary

Question 30

Numerical plan of monocots and dicots

Answer 30

Flowers usually have a plan of 3 or multiples of 3 - Ex: 3 sepals, 3 petals, 6 stamens Flowers have plan of 4 or 5 (Tetramerous, pentamerous) -most evident in sepals and petals, not as much for stamens

Question 31

Floral diagram

Answer 31

Represents a cross-section of a flower as it would appear if all parts were at the same level.

Question 32

Inflorescence

Answer 32

Arrangement of flowers on a floral axis (flower stem)

Question 33

Main supporting stalk of the whole inflorescence is called a ____ Stalks supporting single flowers are called __

Answer 33

Peduncle Pedicels

Question 34

An inflorescence may have _____

Answer 34

Bracts Modified leaves or scales arising from the peduncle or pedicels.

Question 35

Clusters of whorls of bracts make up an ______ Single, conspicuous bract is called a ___

Answer 35

Involucre Spathe (highly coloured and conspicuous)

Question 36

A spathe subtends a fleshy inflorescence known as a ____

Answer 36

Spadix

Question 37

Spathe Spadix

Answer 37

Modified, often showy bract Compact, sledge inflorescence that is a type of sessile spike