M1. U2. RF. Flashcards

Biodiversity of plants

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1
Q

four divisions into which the kingdom plantae are divided

A

bryophytes pteridophytes gymnosperms and angiosperms

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2
Q

the phenomenon where Generations alternate in that the one generation gives rise to the other

A

alteration of Generations

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3
Q

the Generation which is sexual and produces gametes

A

gametophyte generation

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4
Q

the Generation which is asexual and produces spores

A

sporophyte generation

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5
Q

the plants division which includes mosses liverworts and hornworts

A

bryophytes

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6
Q

the dominate dominant generation in the life cycle of mosses

A

gametophyte generation

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7
Q

the name given to a plant body weight true roots stems and leaves cannot be distinguished

A

t h a l l u s

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8
Q

The Cap covering the sporangium in bryophytes

A

calyptra

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9
Q

plants division including all ferns

A

pteridophytes

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10
Q

dominant generation in the life cycle of ferns

A

sporophyte Generations

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11
Q

the horizontal underground stem occurring in most ferns

A

rhizome

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12
Q

vascular tissue present in ferns

A

xylem and phloem

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13
Q

clusters of sporangia found on the underside of fern leaves

A

s o r i

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14
Q

the heart-shaped structure that germinates from a Spore of a fern and represents the gametophyte generation

A

Pro thallus

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15
Q

collective name given to the seed bearing plant groups gymnosperms and angiosperms

A

spermatophytes

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16
Q

the plant division including conifers and cycads

A

gymnosperms

17
Q

the dominant generation in the life cycle of the Pine or pinus SP

A

sporophyte generation

18
Q

structures bearing pollen sacs or containing pollen grains in the Pine

A

male cones

19
Q

structures in which the pine tree ovules are carried

A

female cones

20
Q

the structure representing the male gametophyte in the Pine

A

germinating pollen grain

21
Q

the structure representing the female gametophyte in the Pine

A

embryo sac or tissue in ovule

22
Q

the structure into which the fertilised ovule develops

A

seed

23
Q

term describing the seed of the Pine not enclosed by an ovary

A

naked

24
Q

the seed bearing plant group with flowers

A

angiosperms

25
Q

the structure which encloses the seed of a flowering plant and develops into a fruit

A

ovary

26
Q

the two groups into which angiosperms are divided

A

mono and dicotyledons

27
Q

the dominant generation in the life cycle of flowering plants

A

sporophyte generation

28
Q

roots which develop from any plant organs except another root

A

adventitious roots

29
Q

roots which develop out of other roots

A

lateral roots

30
Q

the type of venation found in the leaves of monocotyledonous plants

A

parallel venation

31
Q

the type of venation found in the leaves of dicotyledonous plants

A

net venation

32
Q

the stamen whorl in flowering plants

A

Androecium

33
Q

The pistil whorl in flowering plants

A

Gynoecium

34
Q

the perianth or a flower whorl in monocotyledonous flowering plants

A

Perigone

35
Q

the plant structure inside the ovule of a flowering plant containing the egg cell and to Polar nuclei

A

embryo sac

36
Q

the part of the germinating seed of a flowering plant that gives rise to the roots stem

A

Radicle

37
Q

the part of the germinating seed that gives rise to the stem of the new flowering plant

A

Plumule