morphology (families)

Question 1

BRASSICACEAE

1. inflorescence
2. floral formula
3. corolla type
4. placentation
5. fruit type
6. stigma type

Answer 1

1. crymb or corymbose-raceme
2. Ebr. + or % K2+2 Cx4 A2+4 Gsup(2)
3. cruciform
4. parietal with replum (unilocular but becomes bilocular)
5. siliqua or silicula
6. bifid

Question 2

FABACEAE

1. habit
2. root
3. stem
4. leaves

VEGETATIVE CHARACTERS

Answer 2

1. herb, shrub, tree, climbers
2. tap root, root with nodules, branched
3. erect or climber
4. alternate, rarely simple, pinnately compound, stipulate, pulvinus, reticulate, leaflets modified into leaflet

Question 3

what is the other name of fabaceae and which family does it belong to?

Answer 3

papillionoideae
leguminosae

Question 4

FABACEAE

1. floral formula
2. inflorescence
3. aestivation
4. fruit
5. seed (albuminour or not)
6. gynoecium

FLORAL CHARACTERS

Answer 4

1. %K(5) C1+2+(2) A(9)+1 Gsup(1)
2. racemose
3. corolla-vexillary ; calyx-imbricate/valvate
4. legume
5. non-endospermic
6. unilocular with many ovules, many ovules in two alternate rows

Question 5

FABACEAE

1. pulses
2. fodder
3. edible oil
4. dyes
5. fibres
6. ornamentals
7. medicine

ECONOMIC IMPORTANCE

Answer 5

1. arhar, gram, sem, moong, soyabean
2. sesbania, trifolium
3. soyabean, groundnut
4. indigofera
5. sunhemp
6. lupin, sweet pea
7. muliathi

Question 6

SOLANACEAE

1. habit
2. root
3. stem
4. leaves

VEGETATIVE CHARACTERS

Answer 6

1. herbs, shrubs, small trees
2. tap root
3. herbaceous, rarely woody, erect, cylindrical, solid or hollow, branched, hairy or glabrous, underground stem in potato
4. alternate, simple, rarely pinnately compound, hairy, reticulate venation, exstipulate

Question 7

SOLANACEAE

1. floral formula
2. inflorescence
3. aestivation
4. gyneocium
5. placentation
6. fruit
7. seed

FLORAL CHARACTERS

Answer 7

1. +K(5) { C(5)A5 } Gsup(2)
2. solitary, axillary or cymose in solanum
3. both valvate
4. bilocular ovary placental swollen with many ovules
5. axile
6. berry or capsule
7. endospermic

Question 8

SOLANACEAE

1. spices
2. tobacco
3. medicine
4. ornamental

ECONOMIC IMPORTANCE

Answer 8

1. chilli
2. from dried and cured leaves of nicotiana tabacum, it is a fumigatory plant
3. ashwagandha, belladonna
4. petunia

Question 9

LILIACEAE

1. habit
2. root
3. stem
4. leaves

VEGETATIVE CHARACTERS

Answer 9

1. perennial herbs with underground bulb, corm, rhizome
2. adventitious, fibrous
3. aerial or underground, herbaceous or woody
4. mostly basal, alternate, linear, exstipulate, parallel venation

Question 10

LILIACEAE

1. inflorescene
2. perianth aestivation
3. gynoecium
4. placentation
5. fruit
6. seed
7. floral formula

FLORAL CHARACTERS

Answer 10

1. solitary/cymose, often umbellate clusters
2. valvate
3. trilocular ovary with many ovules
4. axile
5. capsule, rarely berry
6. endospermous
7. +{ P(3+3) A3+3 } Gsup(3)

Question 11

LILIACEAE

1. food
2. medicine
3. ornament
4. colchicine

ECONOMIC IMPORTANCE

Answer 11

1. asparagus
2. aloe
3. gloriosa, tulip
4. colchicum autumnale (doubling of chromosomes)

Question 12

GRAMINIEAE/POACEAE

1. inflorescence
2. flowers
3. anther fixation
4. placentation
5. stigma
6. fruit
7. floral formula
8. extra point

Answer 12

1. spike of spikes (triticum), panicle of spikes (avena)
2. small, sessile covered by 2 scales, lemma (fertile bract, inferior or outer palea) and palea (superior or inner palea). The lemma bears a long, stiff process called awn.
3. versatile
4. basal
5. feathery
6. caryopsis, nut (dendrocalamus) or berry (bambusa)
7. % P2or3lodicules A3or6 Gsup(1)
8. most advanced family of monocots

Question 13

POACEAE

important plants

Answer 13

1. oat (avena sativa)
2. wheat (triticum aestivum)
3. jowar (sorghum vulgare)
4. bajra (pennisetum typhoides)
5. sugarcane (saccharum officinalis)
6. maize (zea mays)
7. rice (oryza sativa)
8. bamboo (bambusa tulda)
9. rye (secale cereale)
10. lemon grass (cymbopogon citratus)