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reproduction plants🐙🧥🥀 > female repro- gynocium🍌🐞 > Flashcards

female repro- gynocium🍌🐞 Flashcards

1
Q

megasporopphyll

A

carpel

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2
Q

the ovules are also c/as

A

integumented megasporangia

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3
Q

megasporangia are borne on cushion like tissue c/as placenta

A

placenta in ovarian cavity

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4
Q

the placenta is located

A

inside the ovarian cavity

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5
Q

arising from the placenta are

A

meegasporangiaum commonly c/as ovules

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6
Q

the no. of ovules in a ovary =1

A

wheat, paddy , mango

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7
Q

the no. of ovules in a ovary= 2 or more

A

papaya watermelon rochids

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8
Q

apocarpous gynocium—– free

A

rose
lotus
michelia

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9
Q

sync. gynocium —— fused

A

papaver

hibiscus

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10
Q

megasporangium

A

ovule

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11
Q

each ovule is attached to placenta by

A

means of a thin stalk c/as unicle

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12
Q

body of ovule fuses w/ funicle in the region is c/as

A

hilum

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13
Q

hilum is a junction b/w

A

ovule and funicle

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14
Q

main region of ovule is composed of mass

A

of paarenchymatous cells—-having abundunt food reserve which is c/as nucellus

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15
Q

main of part of ovule

A

nucellus

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16
Q

located in nucellus is the

A

embryosac or female gametophyte

17
Q

the nucellus is covered by 1/ 2 coats or protective envelope c/as

A

integuments

18
Q

in ovule of most plants funicle is sttached to main body for some distance to form a ridge like structure

A

raphae

19
Q

vascular tissues are +nt inside the funiculus which

A

supply food material from material from placenta to body of ovule

20
Q

opposite the micropylar end is c/as

A

chalaza—— repsenting the basal part of ovule

21
Q

occasionally in some seeds such as_________ remnants of nuellus r also persistant c/as____________

A

balck pepper
beet
castor

perisperm

22
Q

some filaments are attached w/ funicle [ some times w/ placenta] c/as

A

obturators

23
Q

the function of obturators is

A

to guide the passage of pollen of pollen tube towards the micropyle inside the ovary

24
Q

SPECIAL INTEGUMENTS

ARIL— its the 3rd type of integument ; the funnicle at the base of ovue

A

LITCHI
MYRISTICA
ASPHODELUS

25
Q

CARNUCLE OR STROPHIOLE- its formed due to prolif.[ out growth] of outer integ. over the micropyle

A

eg- CASTOR

reproduction plants🐙🧥🥀 (4 decks)

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