Morphology of Flowering Plants

Question 1

Leaf originate from?

Answer 1

Apical bud, in acropetal fashion

Question 2

Tap root va fibrous root

Answer 2

Tap root has 1 major root from where other secondary and tertiary roots arise, it’s found in dicots.

Fibrous root first has short lived primary root which degenerates to form many fibers from base of stem in monocots.

Question 3

Adventitious root

Answer 3

Root arising form any part other than radicle.
Eg:- banyan tree, monstera, some grasses, asparagus(for storage) and sweet potato(storage).

Question 4

Route modification for food storage

Answer 4

Tap roots like carrot, turnip and adventitious roots like sweet potato and asparagus

Question 5

Root modification for support

Answer 5

Prop root of banyan, stilt root of sugarcane and maize.

Question 6

Root modification for respiration

Answer 6

Pneumatophore of rhizophora

Question 7

Regions of root

Answer 7

Region of maturation(most proximal/closest)
Maximum size, cw complete, has root hair

Region of elongation
Long length, more vacuole

Region of meristematic activity
Continuous division, small cells, dense protoplasm, large nucleus, thin cw, abundant plasmodesmatal connections

Root cap(most distal/distant)
Thimble like for protecting root

Question 8

Underground stem for food storage

Answer 8

Ginger, potato, turmeric, Colocasia and zaminkand.

Question 9

Perennation

Answer 9

Atem modification that helps plant to grow for multiple seasons in oxalis.

Question 10

Stem tendrils

Answer 10

Formed by axillary bud for support
In guards:- cucumber, pumpkin, bottleguard and gravevines.

Question 11

Thorn

Answer 11

Stem modification
In bougainvillea and citrus

Question 12

Photosynthetic stem

Answer 12

Opuntia/cactus(flat photosynthetic stem called phylloclade)
Euphorbia(cylindrical stem)

Question 13

Runner

Answer 13

Stem modification in grass, oxalis and strawberry.(GrOSs)

Question 14

Stolon

Answer 14

In mint and jasmine
(MJ style)

Question 15

Offset

Answer 15

In pistia and eichhornia
(Ei!, Piss off)

Question 16

Sucker

Answer 16

In pineapple, chrysanthemum and banana
(PCB)

Question 17

Lead venations

Answer 17

Paraller in monocots and reticulate in dicots

Question 18

Pinnate leaf

Answer 18

Feather like, midrib becomes rachis.
In neem

Question 19

Palmate leaves

Answer 19

Palm like in cotton, silk

Question 20

Alternate phyllotaxy

Answer 20

Mustard, sunflower and china rose
(M.Sc. is an alternate option)

Question 21

Opposite

Answer 21

In calotropis and guava
(C and G are opposite in dna)

Question 22

Whorled

Answer 22

Alstonia
(Whorl- whArL)

Question 23

Leaf tendrils

Answer 23

Pea

Question 24

Leaf spines

Answer 24

Cactus

Question 25

Modification of leaf for food storage

Answer 25

Onion and garlic

Question 26

Phyllode vs phylloclade

Answer 26

Phyllode= flatened petiole(part that attaches leaf to mother axis) for photosynthesis in Australian acacia Phylloclade= flatened stem of cactus for photosynthesis.

Question 27

Racemose

Answer 27

Acropetal succession- infinite growth In fabaceae

Question 28

Cymose

Answer 28

Basipetal succession- limited growth In liliaceae

Question 29

Actinomorphic

Answer 29

MCD Mustard, china rose, dhatura

Question 30

Zygomorphic

Answer 30

PG College Band Pea Gulmohar Cassia Bean

Question 31

Assymetrical

Answer 31

Canna (one eyed person)

Question 32

Trimerous

Answer 32

In monocots like liliaceae and poaceae(grasses)

Question 33

Tetramerous

Answer 33

In dicots like brassicaceae(mustard family)

Question 34

Pentamerous

Answer 34

In dicots like solanaceae and fabaceae

Question 35

Hypogynous

Answer 35

Superior ovary (G above line) In MCB Mustard, china rose, brinjal

Question 36

Perigynous

Answer 36

Half inferior ovary (G-) In RPP Rose, peach and plum

Question 37

Epigynous

Answer 37

Inferior ovary(G below line) In CSG Cucumber, sunflower(ray florets) and guava.

Question 38

Valvate

Answer 38

No overlapping Calotropis (CoNVo)

Question 39

Twisted

Answer 39

Regular overlapping In CLC- chinarose, ladyfinger and cotton.

Question 40

Imbricate

Answer 40

Irregular overlapping In Gulmohar and Cassia (CGI)

Question 41

Vaxillary

Answer 41

Aka paplionaceous(pea and bean family) 1 standard, 2 wings and 2 keel in pea and bean.

Question 42

Epipetalous

Answer 42

Solanaceae(brinjal)

Question 43

Epitepalous

Answer 43

Liliaceae

Question 44

Apocarpus

Answer 44

Free carpel In lotus and rose (LARry)

Question 45

Syncarpous

Answer 45

Fused carpel In mustard and tomato (TySM)

Question 46

Marginal

Answer 46

Pea (MP)

Question 47

Axile

Answer 47

TLC Tomato, lemon and chinarose

Question 48

Parietal

Answer 48

MAP Mustard and argemone

Question 49

Replum

Answer 49

False septum present in parietal placentation to divide chamber into 2

Question 50

Free central

Answer 50

Dianthus, primrose (Free DiP)

Question 51

Basal

Answer 51

Sunflower and marigold (MBBS)

Question 52

Drupe

Answer 52

Monocarpellary superior ovary im mango and coconut.

Question 53

Plumule and radicle covering in monocots

Answer 53

Coleorrhiza- radicle Coleoptile- plumule