Chapter 14- Plant Reproduction

Question 1

Name the two ways of reproduction.

Answer 1

Sexual and asexual

Question 2

What way of reproductions of Strawberries use, and how do they use it?

Answer 2

Asexual, they send a a runner above the ground, this makes a new plant beside the parent plant, which grows up identically.

Question 3

What is sexual reproduction?

Answer 3

The joining of a male and female sex cell (gametes) to form a zygote.

Question 4

Why do plants have flowers?

Answer 4

For reproduction

Question 5

Name the parts of a flower:

Answer 5

Sepal, petals, carpel, stamen,

Question 6

What part of the carpel does the pollen land on?

Answer 6

The stigma

Question 7

Which part of the carpel connects the stigma to the ovary?

Answer 7

The style

Question 8

What is the bottom part of the carpel? What does it contain?

Answer 8

The ovary,

One or more ovules

Question 9

What does a stamen contain, and what do these parts do?

Answer 9

Anther: Produces pollen
Filament: supports the anther high in the flower

Question 10

Name the five stages of sexual production in a plant:

Answer 10

• Pollination
• fertilisation
• seed/ fruit formation
• seed/ fruit dispersal
• germination

Question 11

What is pollination?

Answer 11

The transfer of pollen from a stamen to a carpel.

Question 12

What are the two forms of pollination?

Answer 12

Wind pollination

Insect pollination

Question 13

What is fertilisation?

Answer 13

The joining of the male and female gametes to form zygotes.

Question 14

What allows the male gamete to get to the female gamete?

Answer 14

The pollen tube

Question 15

What is reproduction?

Answer 15

The formation of new individuals.

Question 16

Make part of a flower and its function

Answer 16

Stamen

To produce pollen grains

Question 17

Name the two parts in the stamen

Answer 17

Filament-holds anther high to get pollen out

Anther- makes pollen grains

Question 18

4 types of dispersal

Answer 18

Wind dispersal
Animal dispersal
Self dispersal
Water dispersal

Question 19

Wind dispersal

Answer 19

• small seeds

- sometimes have special features eg. Feathery tufts and wings

Question 20

Animal dispersal

Answer 20

Two ways

1. Animals eat them, then shit them out eg. Raspberry
2. Seeds stick to them for a while, eventually land somewhere else eg. Goose grass (spiky brown balls)

Question 21

Self dispersal

Answer 21

Pod bursts open eg. Beans, peas

Question 22

Water dispersal

Answer 22

Seeds p/fruit able to float, can be taken by streams etc.

Eg. Coconut, lilies

Question 23

Features neccesary for germination

Answer 23

Water
Oxygen
Warmth

Question 24

She’ll of seed

Answer 24

Testa

Question 25

What are the two parts of a plant embryo (found in germinating seed)

Answer 25

Plumule (new shoot)

Radicle (new roots)