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NEET Prep > Plant Kingdom > Flashcards

Plant Kingdom Flashcards

1
Q

Alga that shows diplontic lifestyle

A

Fucus

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2
Q

Alga that shows haplo diplontic lifestyle

A

Ectocarpus, polysiphonia

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3
Q

Roots of gymnosperms are generally?

A

Tap roots

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4
Q

Cycas are associated with

A

coralloid

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5
Q

Unbranched gymnosperms

A

Cycas

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6
Q

In Cycas the ________ leaves persist for a few

years.

A

pinnate

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7
Q

The two kinds of
spores are produced within sporangia that are borne
on sporophylls which are arranged ________ along an axis to form lax or compact strobili or cones

A

spirally

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8
Q

Megasporangium is the _________? It’s borne on megasporophyll

A

ovary

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9
Q

Name the pteridophyte with strobilus

A

Equistem, Selaginella

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10
Q

Pteridophyte with long roots?

A

Salvinia

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11
Q

Pteridophytes are used for medicinal purposes and as ___________

A

soil-binders

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12
Q

Selaginella leaves?

A

microphylls

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13
Q

Heterosporous pteridophytes

A

Salvinia and Selaginella

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14
Q

Four kinds of pteridophytes?

A

Psilopsida, Lycopsida, Sphenopsida, Pteropsida

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15
Q

Name two Lycopsids

A

Selaginella, Lycopsidum

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16
Q

Name a Sphenopsid

A

Equistem

17
Q

Name a Pteropsid

A

Adiantum

18
Q

Bryophyte antherozoids have __ flagella

A

bi

19
Q

Bryophyte archegonium is ____ shaped

A

flask

20
Q

The thallus of Marchantia is? (dorsiventral/ isobilateral)

A

dorsiventral

21
Q

In secondary protonema stage, vegetative propagation is by?

A

budding

22
Q

Most common form of spores in algae?

A

zoospores

23
Q

Ulothrix gametes are?

Spirogyra gametes are?

A

Both similar in size, ulothrix flagellated, spirogyra not

24
Q

Algae with anisogamous gametes?

A

Eudorina

25
Q

Oogamous algae?

A

Volvox, Fucus

26
Q

In chlorophyceae, the inner cell wall layer is made of? Outer layer?

A

Cellulose

Pectin

27
Q

Phaeophyceae has an outer layer of

A

algin

28
Q

Describe the zoospores of phaeophyceae

A

biflagellate, pear shaped, two unequal laterally arranged flagella

29
Q

Linneaus classification of angiosperms were based on

A

androecium

30
Q

Bentham and Hooker considered ____ for classification

A 
upae
ultrastructure
phytochemistry
anatomy 
embryology (not evolutionary relationships)
31
Q

at present phylogenetic classifications based on _____ are acceptable

A

evolutionary relationships

32
Q

Algae with air bladders

A

Fucus

33
Q

Flagellated zoopores of green algae are produced in

A

zoosporangia

34
Q

_____ cells of brown algae have algin covering

A

vegetative

35
Q

union of brown algae gametes take place in

A

water or oogonia

NEET Prep (50 decks)

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