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BIOLOGY s3 course > reproduction > Flashcards

reproduction Flashcards

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1
Q

name the two male parts of the plants reproduction system

A

anther and filement

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2
Q

name the 4 female parts of the plants reproduction system

A

stigma, style, ovule and the ovary

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3
Q

which flower structure produces the male gamete

A

anther

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4
Q

which flower structure produces the female gamete

A

ovary

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5
Q

what is a gamete

A

a sex cell

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6
Q

what does the petal do in plants reproduction

A

it is brightly coloured to attract insects

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7
Q

what does the sepals do in plants

A

they protect the developing bud

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8
Q

what does the nectary do in plants

A

produces nectar

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9
Q

what does the anther do in plants reproduction

A

produces pollen [the male gamete]

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10
Q

what does the filament do in plants reproduction

A

holds up the anther

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11
Q

what does the stigma do in plants reproduction

A

it is where the pollen lands

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12
Q

what does the style do in plants reproduction

A

connects the stigma to the ovary

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13
Q

what does the ovary do in plants reproduction

A

produces the egg [the female gamete]

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14
Q

which form of pollination usually takes place in brightly coloured plants

A

insects pollination

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15
Q

which form of pollination usually takes place in grain plants

A

wind pollination

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16
Q

name characteristics of wind-pollination

A

small
dull

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17
Q

what is cross pollination

A

it is pollination that occurs when the male gamete is transferred to the female gamete usually of another plant form the same species

18
Q

what does haploid mean

A

when one cell has only one set f chromosomes

19
Q

what is self pollination

A

it is the process when pollen from the anther of a flower is transferred to the stigma of the same flower.

20
Q

what is a zygote

A

the fertislied egg

21
Q

state three possible seed dispersal methods

A

seeds getting eaten
seeds stick to animals fur
seeds get spread by wind

22
Q

what is the name of the female sex cell where is it produced

A

ovule/egg and produced in the ovary

23
Q

what is the name of the male sex cell where is it produced

A

pollen and produced in the anther

24
Q

what’s an alternative name for a sex cell

A

gamete

25
Q

describe the process of fertilisation in plants

A

Fertilization in plants happens the pollen combines with an egg cell inside the ovule, leading to the formation of a seed that can grow into a new plant.

26
Q

what part of the flower develops into the fruit

A

ovary

27
Q

what is the important feature of sexual reproduction

A

1.the production of gametes

28
Q

what is the term for reproduction with out SEX (like in plants)

A

asexual reproduction

29
Q

name 4 reasons plants are grown

A

food
fuel
raw materials
medicines

30
Q

name the male gamete in animals

A

sperm

31
Q

name the female gamete in animals

A

egg

32
Q

state the struture that a sperm cell posses which allows It to swim to the egg

A

tail

33
Q

are gametes haploid or diploid

A

haploid

34
Q

where is the female gamete produced in animals

A

ovary

35
Q

where is the male gamete produced in animals

A

testes

36
Q

number of eggs released at the one time

A

1

37
Q

number of sperm released at the one time

A

millions

38
Q

how many chromosomes do both the egg and sperm in humans have

A

23

39
Q

what structure provides the sperm cell with energy to reach the egg

A

mitrochondria

40
Q

sperm+egg=

A

zygote

41
Q

describe the fertilisation process

A

the fusion of the male and female sex cell at the nucleus to cleat a zygote

42
Q

give an example of a haploid cell

A

sperm, egg, pollem and ovule

BIOLOGY s3 course (4 decks)

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