plant kingdom

Question 1

artificial classification

Answer 1

linnaeus and aristotle

Question 2

biological classification

Answer 2

bentham and hooker

Question 3

phylogenetic classification

Answer 3

prantl, takhtajan, engler, hutchinson

Question 4

father of algology

Answer 4

F E Fristch

Question 5

sources of iodine

Answer 5

fucus
laminaria

Question 6

leafy liverworts

Answer 6

porella

Question 7

different oosphere and oospore in bryophytes

Answer 7

oosphere-egg
oospore-zygote

Question 8

what is cotton moss

Answer 8

sphagnum (it was used instead of absorbent cotton)

Question 9

which bryophyte was used to remove kidney stones

Answer 9

polytrichum commune

Question 10

first embryophytes

Answer 10

bryophytes

Question 11

example of macrophylls and microphylls

Answer 11

macro-ferm
micro-selaginella

Question 12

largest pteridophyte

Answer 12

dryopteris

Question 13

heterosporous pteridophytes

Answer 13

selagninella
salvinia
marsilea

Question 14

psilopsida

Answer 14

psilotum

Question 15

lycopsida

Answer 15

selaginella
lycopodium

Question 16

sphenopsida

Answer 16

equisetum

Question 17

pteropsida

Answer 17

dryopteris
pteris
adiantum

Question 18

which pteridophyte is used for scouring

Answer 18

equisetum

Question 19

pteridophyte used as food

Answer 19

marsilea (starch for tribals)

Question 20

pteridophyte medicine

Answer 20

dryopteris (antihelminthic)

Question 21

smallest gymnosperm

Answer 21

zamia

Question 22

which leaf in cycas persists for years

Answer 22

pinnately compound

Question 23

fan shaped leaves are found in

Answer 23

gingko biloba

Question 24

what is lax

Answer 24

compact cones/strobili

Question 25

three generations in gymnosperm seed

Answer 25

testa, tegmen, perisperm- parental sporophyte endosperm- female gemtophyte radicle, plumule, suspensor, cotyledons- future sporophyte

Question 26

who reported polyembryony and in what

Answer 26

leeuwenhoek in citrus

Question 27

gnetales

Answer 27

ephedra welwitschia gnetum

Question 28

how are gnetales close to flowering plants

Answer 28

they have flower like arrangement of sporophylls they have primitive xylem vessels so wood is called heteroxylous

Question 29

living fossils in gymnosperms

Answer 29

ginkgo metasequoia cycas

Question 30

write about ginkgo

Answer 30

maiden hair tree pagoda tree oldest living fossil connecting link between cycads and conifers

Question 31

write about cones and gametes of cycas

Answer 31

largest male cone lacks female cone largest ovule motile male gamete (zoidosiphonogamy)

Question 32

explain ploidy of gymnosperm endosperm

Answer 32

develops directly from female gametophyte so it is haploid

Question 33

male and female sex organs are in the same plant or different plants in gymnosperms examplse

Answer 33

cycas- different pinus- same

Question 34

chilgoza

Answer 34

pinus gerardiana

Question 35

fibre boards (gymnosperms)

Answer 35

pinus needle leaves

Question 36

astha and other respiratory ailments drug

Answer 36

ephedra from ephedrine

Question 37

anticancer drug from gymnosperms

Answer 37

taxol (from taxus)

Question 38

sulphur shower

Answer 38

pinus

Question 39

what does angion mean

Answer 39

vessel

Question 40

smallest angiosperm

Answer 40

wolfia

Question 41

haplodiplontic algae

Answer 41

ectocarpus polysiphonia kelps