Reproduction In Plants

Question 1

FLOWER PARTS AND THEIR FUNCTIONS:

What does pollen do?

Answer 1

Delivers the male gametes

Question 2

FLOWER PARTS AND THEIR FUNCTIONS:

What does the flower stalk do?

Answer 2

Forms a base for the flower

Question 3

FLOWER PARTS AND THEIR FUNCTIONS:

What does the style do?

Answer 3

Holds up the stigma

Question 4

FLOWER PARTS AND THEIR FUNCTIONS:

What does the filament do?

Answer 4

Supports the anther

Question 5

FLOWER PARTS AND THEIR FUNCTIONS:

What does the anther do?

Answer 5

Produces pollen

Question 6

FLOWER PARTS AND THEIR FUNCTIONS:

What does the sepal do?

Answer 6

Protects the flower in bud

Question 7

FLOWER PARTS AND THEIR FUNCTIONS:

What does the petal do?

Answer 7

It secretes a sugary solution called nectar

Question 8

FLOWER PARTS AND THEIR FUNCTIONS:

What does the nectary do?

Answer 8

Attracts insects

Question 9

FLOWER PARTS AND THEIR FUNCTIONS:

What does the ovary do?

Answer 9

Contains the female gametes

Question 10

FLOWER PARTS AND THEIR FUNCTIONS:

What does the stigma do?

Answer 10

Receives pollen

Question 11

FLOWER PARTS AND THEIR FUNCTIONS:

What is the micropyle?

Answer 11

The entry point for the male nucleus at fertilisation

Question 12

What is the stamens?

Answer 12

The male parts of the flower

Question 13

What is the carpel?

Answer 13

The female parts of the flower

Question 14

What are hermaphrodite plants?

Answer 14

Plants that have male and female sexual parts on the same individual

Question 15

What are self sterile plants?

Answer 15

Plants that have special proteins on the surface of the stigma that prevent pollen tubes forming if pollen comes from the anthers of the same plant.

Question 16

What is insect pollination?

Answer 16

Pollination of plants by insects

Question 17

What is wind pollination?

Answer 17

Pollination of plants by wind

Question 18

What is fertilization?

Answer 18

The fusion of the male and female gametes

Question 19

What is a fertilised ovary called?

Answer 19

A fruit

Question 20

What withers away after successful fertilisation?

Answer 20

Sepals, petals, anthers, stigma and style.

Question 21

What happens to the fertilised ovule?

Answer 21

It develops into a seed

Question 22

What does the micropyle do after fertilisation?

Answer 22

It allows the entry of water and oxygen as the seed germinates

Question 23

What is a plumule?

Answer 23

A young shoot

Question 24

What is a radicle

Answer 24

A young root

Question 25

What do the plumule, the radicle and the cotyledons combine to make?

Answer 25

The embryo

Question 26

What is the endosperm?

Answer 26

Tissue which forms the food store in cereal crops

Question 27

What are cotyledons?

Answer 27

Seeeeeed leaves!!!!

Question 28

What do cotelydons do after fertilisation?

Answer 28

Form the food store for the embryo (in some cases)

Question 29

What is the testa?

Answer 29

The seed coat

Question 30

What does the testa do?

Answer 30

Prevents the embryo from drying out

Question 31

What is germination?

Answer 31

The development of a seed to a young plant

Question 32

What 3 things does a seed need to germinate?

Answer 32

* a supply of water * oxygen for aerobic respiration * temperature suitable for enzymes

Question 33

What is germination controlled by?

Answer 33

All powerful enzymes!! They wanna take over the world, BWAHA!!!

Question 34

What is seed dormancy?

Answer 34

A resting state of a seed. They use very little food at this time.

Question 35

What allows seeds to remain dormant?

Answer 35

The seed's very low water content

Question 36

What allows seeds to escape dormancy and germinate?

Answer 36

Availability of water

Question 37

A type of germination is called hypogeal germination. What does hypogeal mean?

Answer 37

"Below the ground"

Question 38

Why must the seedling begin to photosynthesise?

Answer 38

Otherwise all the food stores will be used up

Question 39

What happens if a seed is planted too deep?

Answer 39

The shoot cannot get above the ground before all the food stores are used up