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Biology Class 9 > Diversity in living organisms plantae lvl 1 > Flashcards

Diversity in living organisms plantae lvl 1 Flashcards

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1
Q

plantae classification

A

cryptogamae, phenerogamae

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2
Q

cryptogamae

A

thallophyta, bryophyta, pteridophyta

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3
Q

phenerogamae

A

angiosperms, gymnosperms

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4
Q

thallophyta contains

A

algae only (haploid)

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5
Q

algae are aquatic/terrestrial/else

A

all are aquatic

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6
Q

thallophyta body

A

fillamentous, mostlycolonial

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7
Q

thallophyta food?

A

by photosynthesis

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8
Q

thallophyta reproduction

A

by vegetative, asexual, sexual

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9
Q

thallophyta types

A

chlorophyceae - green - mostly fresh water
paheophycae - brown - cold sea
rhyadophycae - red - warm sea
brown is largest

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10
Q

thallophyta example

A

spirogyra, fucus, ulva

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11
Q

bryophyta are called

A

amphibions of plant kingdom

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12
Q

bryophyta place

A

damp and mosit

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13
Q

bryophyta were first-

A

landed and non vascular plants

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14
Q

are bryophyta complex

A

no they are simplest and smallest

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15
Q

bryophyta haploid?

A

main body is haploid - gametophyte
diploid stage - sporophyte

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16
Q

bryophyta sexual organs are

A

multicellular and jacketed

17
Q

bryophytasexual organs type , ex

A

male - antherodium
female - archegonium

18
Q

bryophyta male, female gametes

A

male - antherozoids
female - egg

19
Q

bryophyta example

A

riccia, merchantia, funaria

20
Q

pteridophyta were first

A

vascular plants

21
Q

pteridophyta habitat

A

moist and damp

22
Q

pteridophyta diploid?

A

main body - haploid - gametophytes
diploid - sporophyte

23
Q

pteridophyta what is req for fertilisation

A

water

24
Q

pteridophyta are called

A

reptiles of plant kingdom

25
Q

pteridophta examples

A

horse tail, dryopteris, marsilia

26
Q

gymnosperms have - seeds

A

uncovered

27
Q

gymnosperms were first

A

seeded vascular plants

28
Q

gymnosperms main body haploid?

A

main body diploid - sporophyte
gametophyte develope over sporophyte

29
Q

gymnosperm pollination by?

A

wind only

30
Q

gymnosperm ex

A

cycus, pinus

31
Q

angiosperms have - seeds

A

covered seeds

32
Q

angiosperms are first

A

flowering plants

33
Q

angiosperm seed are covered in

A

fruit wall/ovary wall - pericap

34
Q

more than - % plants are -

A

50% are angiosperms

35
Q

angiosperms roots -

A

tap root - dicot
fibrous root - monocot

36
Q

angiosperm repro. organ

A

flower

37
Q

angiosperm main body

A

sporophyte

38
Q

hardest substance in plant kindom is - found in -

A

sporopollenine, pollen grains outer cell wall

Biology Class 9 (4 decks)

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