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Biology > Module 2 Plant Reproduction > Flashcards

Module 2 Plant Reproduction Flashcards

1
Q

Label the flower diagram.

A
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2
Q

Sepal

A

protects buds

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3
Q

Petal

A

attracts insects

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4
Q

stamen

A

makes pollen made up of anther and filament

male part of the flower

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5
Q

stigma

A

catches pollen

female part of the flower

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6
Q

ovary (stigma style)

A

contains ovules

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7
Q

carpel

A

female part made of stigma, style and ovary

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8
Q

pollen

A

male sex cell

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9
Q

ovule

A

female sex cell

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10
Q

filament

A

supports anther

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11
Q

What part of the flower?

protects buds

A

Sepal

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12
Q

What part of the flower?

attracts insects

A

Petal

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13
Q

What part of the flower?

makes pollen

A

stamen

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14
Q

What part of the flower?

catches pollen

A

stigma

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15
Q

What part of the flower?

contains ovules

A

ovary (stigma style)

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16
Q

What part of the flower?

female part

A

carpel

17
Q

What part of the flower?

male sex cell

A

pollen

18
Q

What part of the flower?

female sex cell

A

ovule

19
Q

What part of the flower?

supports anther

A

filament

20
Q

What contains the specialised cells to produce a new plant?

A

pollen and ovules

21
Q

Pollen grains need to move to the stigma of the flower. Give some adaptions to aid this movement.

A

If carried by wind - light

If stick to insects/animals - little hook like projections

22
Q

Pollination

A

Transfer of pollen to the stigma of the flower.

23
Q

Pollen grains contain a group of specialised cells (male sex cells) that…

A

will deliver a nucleus, containing genes, to an ovule.

24
Q

Some cells in the ovule…

A

1) provide an egg nucleus containing genes needed to make a new plant.
2) store nutrients needed for the seed when it starts to grow

25
Q

What is..

Transfer of pollen to the stigma of the flower.

A

Pollination

26
Q

Draw a digram illustrating how pollination takes place.

A
27
Q

What is on the stigma that traps the pollen grain and what else does it do?

A

sticky sugary solution that stimulates the growth of a long tube

28
Q

List the 6 steps of pollination

A
  1. Pollen formed on anther
  2. Pollen lands on stigma
  3. Pollen tube starting to form
  4. Pollen tube reaches ovule
  5. Nucleus travels down tube
  6. Nucleus joins with egg cell in ovule
29
Q

Germination

A

Process by which seeds spout and start to grow.

30
Q

What is the…

Process by which seeds spout and start to grow.

A

Germination

31
Q

What is needed for germination to take place?

A

Warmth, moisture and oxygen

32
Q

How does a young plant grow.

A

The cells inside the seed begin to divide.
These new cells are quickly organised into a shoot, roots and eventually leaves.

33
Q

Why is it not good for too many seeds to germinate close together?

A

They will compete for resources needed to help them grow e.g. nutrients and water from the soil and also sunlight.

34
Q

What happens to seeds to give them the best chance at germination?

A

Dispersed

35
Q

Dispersal method and adaption of a dendelion clock

A

Wind - feather and light

36
Q

Dispersal method and adaption of a coconut (seed)

A

Water - floats

37
Q

Dispersal method and adaption of fruit seeds

A

animal - tastes nice/looks nice

38
Q

Dispersal method and adaption of conkers

A

drop and roll - round

39
Q

Dispersal method and adaption of a burdock

A

animal - hooks to attach to animal

Biology (4 decks)

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