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boards biology > sexual reproduction in flowering plants > Flashcards

sexual reproduction in flowering plants Flashcards

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1
Q

what are the pollen grains supplements meant to do?

A

to increase the productivity of athletes and horses.

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2
Q

which two groups of kingdom Plantae are haploid.

A

algae, bryophytes

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3
Q

which two groups of kingdom Plantae are diploid.

A

gymnosperms, angiosperms

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4
Q

gametophytic generation form by

A

mitosis

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5
Q

sporophytic generation formed by

A

miosis

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6
Q

the main stage of flowering plants

A

sporophyte

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7
Q

what are monoecious plants

A

same plant both [male and female] flowers

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8
Q

what are dioecious plants

A

different plants, different flowers

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9
Q

sexual reproduction in flowering plants is discovered by

A

strasburger

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10
Q

accessory parts of flowers are

A

sepals and petals

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11
Q

essential parts of flowers

A

stamens

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12
Q

what are the fertilization steps of sexual reproduction

A

syngamy and triple fusion

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13
Q

androecium represents what

A

male reproductive structure

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14
Q

gynoecium represents what

A

female reproductive system

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15
Q

how many lobes are there in one anther

A

2 lobes

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16
Q

how many thecae present in one lobe

A

2 thecas

17
Q

how many microsporangia present in one anther

A

4 microsporangiums

18
Q

the distal end of filament attaches to

A

anther

19
Q

the proximal end of filament attaches to

A

thalamus or petals

20
Q

two main parts of a typical stamen are

A

anther and filaments

21
Q

in typical angiosperm anthers are

A

bilobed

22
Q

microsporangium develops into

A

pollen sacs

23
Q

how man layers are present in a typical microsporangium

A

4

24
Q

layer that nourishing the pollen grains

A

tapetum

25
Q

centre of each microsporangium have

A

sporogenous tissue

boards biology (4 decks)

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