Reproduction In Flowering Plants

Question 1

What are the 3 female parts of a insect pollinated flower

Answer 1

stigma, style, ovary

Question 2

What is the group name for the stigma, style and ovary

Answer 2

Carpel

Question 3

What are the male parts of a insect pollinated flower

Answer 3

Anther and filament

Question 4

What is the group name for the anther and filament

Answer 4

Stamen

Question 5

What are the 4 non binary parts of a insect pollinated flower

Answer 5

Petals, nectary, sepal, stalk

Question 6

Where is the male gamete made in an insect pollinated flower

Answer 6

In the anther

Question 7

Where is the male gamete found in an insect pollinated flower

Answer 7

Pollen grain

Question 8

Where is the female gamete found in an insect pollinated flower

Answer 8

Ovary

Question 9

What is the female gamete in a insect pollinate flower called

Answer 9

Ovum

Question 10

What is the ovule

Answer 10

Where the ova (ovule) are made

Question 11

How are petals in a insect pollinated flower adapted for pollination

Answer 11

They are large and brightly coloured to attract insects

Question 12

How is the anther in a insect pollinated flower adapted for pollination

Answer 12

They are inside the flower to make pollen

Question 13

What is the function of the filament

Answer 13

To hold up the anther

Question 14

How is the stigma in a insect pollinated flower adapted for pollination

Answer 14

It is sticky so collects pollen

Question 15

What is the function of the ovary in a insect pollinated flower

Answer 15

Female part of the flower containing ova (ovule)

Question 16

How is pollen in a insect pollinated flower adapted for pollination

Answer 16

Has hooks to stick to the fur of insects

Question 17

What is the function of the sepal in a insect pollinated flower

Answer 17

Protects the flower when its in its bud

Question 18

How is the nectary in a insect pollinated flower adapted for pollination

Answer 18

Makes nectar which attracts insects

Question 19

How are the stamen in a wind pollinated flower adapted for pollination

Answer 19

They are exposed so the wind can easily blow them away

Question 20

How are he stigma in a wind pollinated flower adapted for pollination

Answer 20

Large and feathery to catch pollen carried by the wind. They often hang outside the flower.

Question 21

How are petals in a wind pollinated flower adapted for pollination

Answer 21

They are small and dull as they don’t need to attract insects

Question 22

How are the nectaries in a wind pollinated flower adapted for pollination

Answer 22

They are absent in the flower. There is no strong scent as they don’t need to attract insects

Question 23

How are pollen grains in a wind pollinated flower adapted for pollination

Answer 23

There are a lot of pollen grains which are small and light so they can be carried in the wind

Question 24

How are filaments in a wind pollinated flower adapted for pollination

Answer 24

Long filaments that nag the anthers outside the flower so that lots of pollen is blown away by the wind

Question 25

Define pollination

Answer 25

The transfer of pollen grains from an anther to a stigma

Question 26

Define self pollination

Answer 26

Pollen is carried from an anther to a stigma of the SAME plant.

Question 27

Define cross pollination

Answer 27

Pollen is carried from an anther to a stigma on a DIFFERENT plant of the same species

Question 28

Describe fertilisation in plants

Answer 28

-a POLLEN grain lands on the STIGMA of a flower with the help of insects or wind -a POLLEN TUBE grows out of the pollen grains and down the STYLE to the OVARY and into the OVULE -a NUCLEUS from the male gamete MOVES DOWN THE TUBE to join with a female gamete in the OVULE -FERTILISATION occurs when the two nuclei FUSE together to make a zygote. This then undergoes cell division to form an EMBRYO -each FERTILISED female gamete forms a SEED. The OVARY develops into a FRUIT around the SEED

Question 29

What is germination

Answer 29

Water enters the seed through a tiny hole in the testa (hard seed coat) called the micropyle. Water softens the testa allowing it to split and the shoot grows. Chemicals reactions begin e.g respiration which gives the embryo energy to grow

Question 30

How do germinating seeds get energy needed for growth

Answer 30

A developed seed contains an EMBRYO and a store of FOOD RESERVES wrapped in a HARD SEED COAT. When a seed starts to GERMINATE , it gets GLUCOSE for respiration from its own FOOD STORE. This transfers the ENERGY it needs to grow. Once the planet has grown enough to produce green leaves it can get its own food from photosynthesis

Question 31

How do runners reproduce asexually using natural methods

Answer 31

-the parent strawberry plant sends out runners-fast growing stems which grow out sideways, just above ground -the runners take root at various points a short distance away, and new plants start to grow -the new plants are clones of the parent plant so there is no genetic variation

Question 32

How do cutters reproduce asexually using artificial methods

Answer 32

-cuttings each with a new bud are taken from good parent plants and are then planted to produce genetically identical copies of the parent plant -these plants can be produced quickly and cheaply

Question 33

What is an example of plants reproducing asexually using natural methods

Answer 33

Runners from Strawberry plants

Question 34

What is an example of plants reproducing asexually using asexually using artificial methods

Answer 34

Using cuttings from plants