Morphoanatomy of Flowers

Question 1

sepal collectively known as the

Answer 1

calyx

Question 2

protect the flower before it blossoms during in the bud stage

Answer 2

sepal

Question 3

Bright in colour as their main
function is to attract pollinators

Answer 3

petal

Question 4

petals collectively known as

Answer 4

corolla

Question 5

the calyx (sepals) and corolla (petals) are collectively known as

Answer 5

perianth

Question 6

the “male” part of a flower

Answer 6

stamen

Question 7

Many stamens are collectively known as

Answer 7

androecium

Question 8

It is the head of the stamen and is responsible for producing the pollen which is transferred to the pistil

Answer 8

anther

Question 9

long and slender and attached the
anther

Answer 9

filament

Question 10

the female parts of a flower

Answer 10

carpel

Question 11

Ovule producing part of a flower constitute the

Answer 11

gynoecium

Question 12

catches pollen grains

Answer 12

stigma

Question 13

elevates the stigma to a useful position

Answer 13

style

Question 14

bear the ovules

Answer 14

ovary

Question 15

is the male gametophyte in angiosperms and gymnosperms

Answer 15

pollen

Question 16

Pollen development occurs in a
structure called that is located within the anthers

Answer 16

microsporangium

Question 17

pollen sacs in which the microspores develop into pollen
grain

Answer 17

microsporangium

Question 18

oval structure present in the ovule
of flowering plants

Answer 18

embryo sac

Question 19

Inside the embryo sac, there are:

Answer 19

3 antipodal cells
2 synergids
central cell
egg cell

Question 20

Possess all the four parts

Answer 20

complete flower

Question 21

Lack one or more parts

Answer 21

incomplete flower

Question 22

contains both sexual floral organs

Answer 22

perfect flower

Question 23

contain either stamen or carpel

Answer 23

imperfect flower

Question 24

Also called as androgynous or hermaphrodites

Answer 24

perfect flower

Question 25

a flower bearing only stamens

Answer 25

staminate flower

Question 26

a flower bearing only carpel

Answer 26

pistillate flower

Question 27

means “one home”; when both male and female flowers are present on the same plant.

Answer 27

monoecoius

Question 28

means “two homes”; when male and female flowers are present on separate plant

Answer 28

dioecious

Question 29

When unisexual (male or female), bisexual and neuter flowers are present on the same plant

Answer 29

polygamous plant

Question 30

the flower parts (e.g. petals) are in multiples of four or five

Answer 30

dicotyledonous

Question 31

the flower parts are in multiple of threes

Answer 31

monocotyledonous

Question 32

Cluster of flowers on a branch or a system of branches

Answer 32

inflorescence

Question 33

It is the main supporting stalk of the inflorescence.

Answer 33

peduncle

Question 34

It is the stalk of the individual flowers.

Answer 34

pedicel

Question 35

These are small green petal-like structures that are found near the peduncle.

Answer 35

bracts

Question 36

These rest atop the pedicel or the main stalk.

Answer 36

flowers

Question 37

ABC Model: C + B=

Answer 37

Stamens

Question 38

ABC Model: A + B=

Answer 38

Petals

Question 39

ABC Model: C=

Answer 39

Carpels

Question 40

ABC Model: A=

Answer 40

sepals

Question 41

The transfer of pollen from a male part of a plant to a female part of a plant, later enabling fertilization

Answer 41

pollination

Question 42

pollination of a carpel by pollen from a different individual

Answer 42

cross-pollination

Question 43

pollination of a carpel by pollen from the same flower or another flower on the same plant

Answer 43

self-pollination

Question 44

methods of pollination

Answer 44

biotic and abiotic pollination

Question 45

involves two sperm cells; one fertilizes the egg cell to form the zygote, while the other fuses with the two polar nuclei that form the endosperm.

Answer 45

double fertilization

Question 46

each ovule develops into

Answer 46

seed

Question 47

ovary develops into

Answer 47

fruit

Question 48

It is with the placentae along the margin of a unicarpellate ovary

Answer 48

Marginal

Question 49

The placentae arises from the column in a compound ovary with septa

Answer 49

Axile

Question 50

Ovules arise from the surface of the septa

Answer 50

Superficial

Question 51

It is the placentae on the ovary walls or upon intruding on partition of a unilocular, compound ovary

Answer 51

Parietal

Question 52

It is the placentae along the column in a compound ovary without septa

Answer 52

Free-central

Question 53

It is the only placentae at the base of the ovary

Answer 53

Basal