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Botany > Plant Kingdom > Flashcards

Plant Kingdom Flashcards

1
Q

Habitat of algae

A

Largely aquatic fresh and marine, moist stones and woods.

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2
Q

association of algaes

A

association with fungi (lichen) and animals (e.g., on sloth bear).

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3
Q

Colonial algae ‘

A

Volvox

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4
Q

Filamentous algae

A

Ulothrix and spirogyra

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5
Q

Algae forming massive marine plant bodies

A

KELPS

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6
Q

Vegetative reproduction in algae

A

Fragmentation

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7
Q

Asexual reproduction in algae

A

Production of different types of spores like Zoospores

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8
Q

Zoo SPORE in algae are

A

Flagelated and motile

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9
Q

Flagellated, isogamous algae example

A

SPIROGYRA

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10
Q

Non-flagellated, isoGAMOUS algae

A

ULOTHRIX

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11
Q

Two gametes not equal in size

A

ANISOGAMOUS

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12
Q

Example of ANISOGAMOUS algae

A

EUDORINA

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13
Q

Oogamous algae example

A

Volvox fucus

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14
Q

Brown algae example

A

Laminaria fucus dictyota

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15
Q

Marine algae used as food

A

PORPHYRA laminaria sargassum Among the 70 species of marine algae

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16
Q

Hydrocolloids are produced by

A

Algin brown algae plus carragen red algae

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17
Q

Agar obtained From and usses

A

Gelidium and gracillaria for ice cream jellies

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18
Q

Space food for astronauts

A

Chlorella a rich in protein

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19
Q

Pigments of chlorophyceae

A

Chlorophyll a b

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20
Q

Green algae stored food

A

Starch

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21
Q

Brown algae stored food

A

Mannitol laminarin ( complex carbohydrates)

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22
Q

Red algae stored food

A

Floridean starch similar to amylopectin and glycogen

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23
Q

Brown algae major pigments

A

Chl a c fucoxanthin xanthophyll

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24
Q

Red algae major pigments

A

Chlorophyll a d phycoerythrin

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25
Q

Cell wall of green algae

A

Cellulose

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26
Q

Cell wall of brown algae

A

Cellulose and algin

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27
Q

Cell wall of red algae

A

Cellulose pectin and poly sulphate esters

28
Q

Pyrenoids are

A

Contain protein storage bodies in green algae

29
Q

No of flagella and position in green algae

A

2 - 8 equal apical

30
Q

No of flagella and position brown

A

2 unequal lateral

31
Q

No of flagella and position in red algae.

A

Absent

32
Q

Eg of green algae

A

Chlamydomonas volvox ulothrix spirogyra and chara

33
Q

Brown algae habitat

A

Brackish water Marine water, rarely in fresh

34
Q

Green algae habitat

A

Fresh water and brackish and marine

35
Q

Simple branched filamentous forms of brown algae

A

Ectocarpus

36
Q

Profusely branched brown algae

A

Kelps

37
Q

Gelatinous coating in brown algae

A

Algin

38
Q

Centrally located vacuole and nucleus

A

Brown algae

39
Q

Asexually reproduction method in brown algae

A

Bi flagellate spores pear shaped two unequal laterally attached flagella

40
Q

Sexual reproduction in brown algae

A

Gametes are pyriform pear shaped with two laterally attached flagella

41
Q

Life cycle of fucus

A

Diplontic

42
Q

Brown algae eg

A

Ectocarpus dictyota laminaria sargassum and fucus

43
Q

Habitat of red algae

A

Mainly marine greater concentrations in warmer areas , both well lighted regions and at great depths

44
Q

Sexual reproduction in red algae

A

Oogamous

45
Q

Eg of red algae

A

Eg polysiphonia porphyra gracilaria gelidium

46
Q

Multicellular sex jacketed sex organ

A

Chara

47
Q

Haplodiplontic life cycle in algae

A

Kelp Ectocarpus Polysiphonia (kep)

48
Q

Unicelluar green algae

A

Chalamydomonus

49
Q

Oogamous algae

A

Volvox, fucus

50
Q

1/2 of total co2 fixation on earth

A

By algal photosynthesis

51
Q

Habitat of bryophytes

A

Grow in moist shaded areas in the hills 1st terrestrial plant.

52
Q

Bryophyte lack

A

True organ system/vascular tissue absent

53
Q

Life cycle of bryophytes

A

Haplodiplontic

54
Q

Which body depends on which in bryophyte?

A

Sporophyte body depends on gametophyte body

55
Q

Name of male and female sex organs in bryophytes

A

Mail is ANTHERIDIUM female is ARCHEGONIUM

56
Q

In bryophytes the anthredium produces

A

Antherozoids bi flagellated male gamete by mitosis

57
Q

In bryophytes archegonium produces

A

Single female gamete or egg cell

58
Q

Fertilisation in bryophytes is

A

Oogamous and internal

59
Q

Fertilisation in bryophyte takes place by

A

Zooiodogamy and chemotactic movement

60
Q

Holoblastic embryo development

A

Only Embryon

61
Q

Mero blastic embryo development

A

Embryo plus nutritive tissue

62
Q

Components of sporophyte body of bryophytes

A

Foot Seta capsule

63
Q

Bryophytes are also called

A

amphibians of plant kingdom

64
Q

Economic importance of bryophytes

A

Sphagnum used as trans shipment material , food for herbaceous animals

65
Q

First organisms to colonise rocks

A

Bryophytes and lichens

66
Q

Shape of female sex organ organ in bryophytes

A

Flask shaped

Botany (1 decks)

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