morphology of flowering plants

Question 1

dicot plants

Answer 1

tap root; mustard

Question 2

monocot plants

Answer 2

fibrous roots, wheat (originates from base of stem)

Question 3

adventitious roots

Answer 3

roots from parts of the plant other than radicle (grass, monstera, banyan tree)

Question 4

region of meristematic activity

Answer 4

very small cells, thin walled with dense cytoplasm

Question 5

modifications of root for support

Answer 5

prop roots in banyan
stilt roots in maize, sugarcane (lower nodes of stem)

Question 6

storage of food

Answer 6

tap roots
carrots
turnip

adventitious roots
sweet potato
asparagus

Question 7

respiration

Answer 7

pneumatophores in rhizophora

Question 8

underground stems (organs of perennation)

Answer 8

potato
ginger
turmeric
zaminkand
colocasia

Question 9

stem tendrils

Answer 9

gourds- cucumber, pumpkin, watermelon
grapevine

Question 10

thorns

Answer 10

citrus
bougainvillea

Question 11

opuntia

Answer 11

flattened stems

Question 12

euphorbia

Answer 12

cylindrical fleshy stems

Question 13

underground stems of grass strawberry

Answer 13

spread to new niches

Question 14

mint
jasmine

Answer 14

laterally above ground and then touch the ground

Question 15

pistia
eichhornia

Answer 15

water runners

Question 16

banana
pineapple
chrysanthemum

Answer 16

underground lateral propagation

Question 17

pulvinus

Answer 17

leguminous plants

Question 18

reticulate venation

Answer 18

dicots

Question 19

parallel venation

Answer 19

monocots

Question 20

pinnately compound leaf

Answer 20

rachis
neem

Question 21

palmately compound leaf

Answer 21

silk cotton

Question 22

alternate phyllotaxy

Answer 22

china rose
mustard
sunflower

Question 23

opposite phyllotaxy

Answer 23

calotropis
guava

Question 24

whorled phyllotaxy

Answer 24

alstonia

Question 25

modifications of leaves tendrils

Answer 25

peas

Question 26

spines

Answer 26

cactus

Question 27

food storage

Answer 27

onion garlic

Question 28

Australian acacia

Answer 28

short lived leaves petioles synthesize food

Question 29

insectivourous plants

Answer 29

pitcher plant venus fly trap

Question 30

racemose inflorescence

Answer 30

acropetal succession (base to apex)

Question 31

cymose

Answer 31

basipetal succession (apex to base)

Question 32

perianth

Answer 32

petals and sepals not distinct lily

Question 33

actinomorphic (radial)

Answer 33

mustard datura chilli

Question 34

zygomorphic (bilateral)

Answer 34

pea gulmohur bean cassia

Question 35

asymmetric

Answer 35

canna

Question 36

hypogynous flower

Answer 36

superior ovary mustard china rose brinjal

Question 37

perigynous flower

Answer 37

half inferior ovary plum rose peach

Question 38

epigynous flower

Answer 38

inferior ovary guava cucumber ray florets of sunflower

Question 39

valvate aestivation

Answer 39

calotropis

Question 40

twisted aestivation

Answer 40

china rose lady's finger cotton

Question 41

imbricate aestivation

Answer 41

cassia gulmohur

Question 42

vexillary/papilionaceous aestivation

Answer 42

pea bean

Question 43

sterile stamen

Answer 43

staminode

Question 44

epipetalous

Answer 44

stamen fused with petals brinjal

Question 45

epiphyllous/epitepalous

Answer 45

stamen fused with perianth lily

Question 46

monoadelphous stamen

Answer 46

china rose

Question 47

diadelphous stamen

Answer 47

pea

Question 48

polyadelphous stamen

Answer 48

citrus

Question 49

variation in length of filaments

Answer 49

salvia mustard

Question 50

apocarpous carpels

Answer 50

free lotus rose

Question 51

syncarpous carpels

Answer 51

fused mustard tomato

Question 52

marginal placentation

Answer 52

pea

Question 53

axile placentation

Answer 53

china rose tomato lemon

Question 54

pareital placentation

Answer 54

one chambered but two due to formation of false septum mustard argemone

Question 55

free central placentation

Answer 55

dianthus primrose

Question 56

basal placentation

Answer 56

sunflower marigold

Question 57

pericarp

Answer 57

epicarp mesocarp endocarp

Question 58

drupe

Answer 58

mango coconut monocarpellary superior ovaries

Question 59

dicot seed

Answer 59

seed coat (testa-outer ; tegmen-inner) hilum micropyle castor (endosperm) bean, pea, gram (non endospermous)

Question 60

monocot seed

Answer 60

endospermous except orchids proteinous aleurone layer shield shaped scutellum plumule coleoptile radicle coleorhiza

Question 61

brassicaceae

Answer 61

mustard + bisexual K2+2 C4 A2+4 Ģ(2)

Question 62

fabaceae

Answer 62

papilionoideae from family leguminosae non endospermous seeds % bisexual K(5) C1+2+(2) A(9)+1 Ģ1 pulses: gram, arhar, sem, moong, soyabean edible oil: soyabean, ground nut dye: indigofera fibres: sun hemp fodder: sesbania, trifolium ornamentals: lupin, sweet pea medicine: muliathi

Question 63

solanaceae

Answer 63

endospermous seeds potato family + bisexual K(5) C(5)A5 Ģ(2) food: tomato, brinjal, potato spice: chilli medicine: belladonna, ashwagandha fumigatory: tobacco ornamentals: petunia solanum nigrum (makoi)

Question 64

liliaceae

Answer 64

lily family monocotyledonous plants endospermous seeds Br + bisexual P(3+3)A(3+3) Ģ(3) ornamentals: tulip, gloriosa medicine: aloe vegetables: asparagus colchicine: colchicum autumnale onion (allium cepa)