Plant Kingdom Flashcards

(44 cards)

1
Q

Artificial system of classification was given by

A

Carole us Linnaeus

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2
Q

Artificial system of classification was done in what basis

A

Gross superficial morphological characters that took vegetative Characters or on androecium

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3
Q

Artificial system of classics gave equal weightage to

A

Vegetative and sexual characters

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4
Q

Natural system of classification was given by

A

Bentham and hooker

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5
Q

Natural system of classification were based on?

A

Natural affinities that included not only external but also internal structure like anatomy ultra structure embryology and photochemistry

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6
Q

Phylogenetic system of classification believes that

A

Organisms occupying same taxa have evolutionary relationship(common ancestor)

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7
Q

Phylogenetic system of nomenclature is accepted

A

True

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8
Q

Numerical taxonomy features

A

It takes into account all the observable characters
Number and codes are allowed to each character
Hundreds of characters can be studied

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9
Q

Cytotaxonomy takes unto account

A

Cytological information like chromosome number structure and behaviour

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10
Q

Chemotaxonomy includes chemical constituentsof the plant to resolve confusions

A

True

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11
Q

Spirogyra has flagellated isogametes

A

False

Non-flagellated

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12
Q

Ulothrix gamete is motile

A

True

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13
Q

Eudorina has isogamtes

A

False

Aniso

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14
Q

At least half of the total carbon dioxide fixation on earth is carried out by algae

A

True

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15
Q

Many sorecies of porphyria laminaria and sargassum are amount 70specoes of marine alga used as food

A

True

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16
Q

Chlorella-unicellular ,used for?

A

Used as food supplements

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17
Q

Plant body of chlorophycea may be unicellular colonial or filamentous

A

True

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18
Q

Lure kids contain only proteins

A

False

Both protein and starch located in chloroplast

19
Q

Chlorophycea-cell wall

A

Inner cellulose outer pectin

20
Q

Pheophycea show great variation In size and form

21
Q

Phycomycetes have biflagellate pyriform zoospores

22
Q

Food in rhodophycea is stored in the form of………………which is very similar to………….

A

Floridian starch-very similar to amylopectin and glycogen

23
Q

Sexual reproduction is oogamous and is accompanied by complex post fertilisation events…….a feature of?

24
Q

Main plant body of bryophyte is haploid/diploid

25
Talk about the Plant body of liverwort
Plant body is thalloid....and the thallus is dorsiventral
26
Green multicellular asexual buds that develop on small receptacles also called?
Gemmae,Gemma cups
27
Gametophyte of moss is divided into two stages
Protonema and leafy stage
28
Creeping green branched frequently filamentous stage that is formed directly from a spore
Protonema
29
Leafy stage arises from
Secondary protonema as a lateral bud
30
Which stage of mosses bear sex organs
Leafy stage
31
Vegetative reproduction takes place by fragmentation and budding in
Secondary protonema
32
These are used for medicinal purposes and act as soil binders
Pteridophyte plants
33
In pteridophyte the main plant body is
Sporophyte
34
Sporophylls form compact structures called
Strobilli (equisetum and selaginella)or cones
35
Male sex organ is antheridium | Female sex organ is archaegonium in?
Pteridophyte
36
Coralloid roots of cycas are an association of?
N2 fixing Cyanobacteria
37
Leaves of gymnosperms may be simple or compound
True
38
Cycas has simple leaves
False-pinnate leaves
39
The strobilli bearing microsporophykks and microsporangia are called
Male strobili
40
Pinups is dioecious
True
41
Cycas prevents geitonogamy,how?
Since in cycas male and female strobili are borne on different plants
42
Meaning of the word trimerous
Three members in each floral whorl
43
Femal sex organ in a flowering plant is
Pistil
44
Sporophytes generation is represented by one celled zygote
True