Unit Two, Topic 3

Question 1

Selective Breeding

Answer 1

when people choose specific plants with particular characteristics and encourage these plants to reproduce

Question 2

Genes

Answer 2

genetic material of a plant that controls its characteristics

Question 3

Sexual Reproduction

Answer 3

involves the production of seeds and fruits from specialized cells of two plants

Question 4

involves the production of seeds and fruits from specialized cells of two plants

Answer 4

vegetative reproduction

Question 5

The term for a parent plant growing new plants from its own roots, stems, or leaves is called

Answer 5

is vegetative reproduction

Question 6

When a plant reproduces vegetatively, the young plants are…

Answer 6

identical to the parent plants

Question 7

Cones

Answer 7

the part of the tree that has a series of woody scales

Question 8

Ovules

Answer 8

eggs in female cones

Question 9

the process of pollen travelling to the female cone is called

Answer 9

pollination

Question 10

What kind of flowers attract insects and other animals?

Answer 10

Large flowers with bright colours

Question 11

How do animals pollinate flowers?

Answer 11

While feeing on the flower’s nectar

Question 12

The male part of a flower is called the

Answer 12

stamen

Question 13

the female part of a plant is called

Answer 13

the pistil

Question 14

The stamen and pistil are surrounded by

Answer 14

petals and sepals

Question 15

What are sepals

Answer 15

green flaps underneath the flower

Question 16

The brightly coloured parts of the flower are called

Answer 16

petals

Question 17

The sticky part of the pistil is called

Answer 17

stigma

Question 18

The tube connecting the stigma and the ovary is called

Answer 18

style

Question 19

the tiny chamber at the bottom of the style is called

Answer 19

ovary

Question 20

The stalk part of a stamen is called

Answer 20

filament

Question 21

The tip of the stamen is the

Answer 21

anther

Question 22

What does the anther do?

Answer 22

produce pollen

Question 23

Ovary

Answer 23

swollen base of pistil containing ovules

Question 24

What two examples of plants self-pollinate?

Answer 24

Wheat and barley

Question 25

Self-pollinating means

Answer 25

the sperm fertilizes the eggs in the same plant

Question 26

cross pollination occurs when

Answer 26

wind or animals carry pollen from one flower to another

Question 27

Embryo

Answer 27

the tiny plant living inside a seed

Question 28

the growing ovary of a plant that swells and protects the developing seeds of a plant until they are ripe

Answer 28

fruit

Question 29

Germination

Answer 29

the development of a seed into a new plant

Question 30

How many different varieties of apples are grown around the world?

Answer 30

7500

Question 31

How do trembling aspens reproduce?

Answer 31

vegetatively by producing new plants from their roots

Question 32

What percentage of the world’s flowering plants are found in Canada?

Answer 32

20,000

Question 33

The longest lasting seed was how old?

Answer 33

10,000 years

Question 34

How do growers creates “seedless” grapes?

Answer 34

they manipulate the plant by changing special chemicals called hormones as the plant grows

Question 35

How does keeping bees help farmers?

Answer 35

bees help pollinate flowers

Question 36

what is a fruit

Answer 36

is the growing ovary of the plant that swells and protects the developing seeds of a plant until they are ripe.

Question 37

what are the steps of a seed formation

Answer 37

1. pollination occurs when a pollen grain lands on the stigma
2. a pollen tube grows sown the style into the ovary and enters an ovule.
3. a sperm travels down the tube to fertilize one egg. One sperm fertilizes one egg.