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Plant Propagation Review

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What is the function of the endosperm?

a)

Provides food for the growing embryo.

b)

Serves as the protective outer covering of the seed.

c)

The part of the embryo that develops into the stem.

d)

The part of the embryo that develops into the root.

2.

The radicle develops into which plant part?

a)

Leaves

b)

Stems

c)

Roots

d)

Flowers

3.

The hypocotyl develops into which plant part?

a)

Flowers

b)

Stems

c)

Roots

d)

Leaves

4.

All of the following elements are necessary in order for germination to occur EXCEPT _________________.

a)

Light

b)

Water

c)

Proper Temperature Conditions

d)

Oxygen

5.

Weakening the seed coat to improve seed germination is known as ________________________.

a)

Stratification

b)

Scarification

c)

Germination

d)

Transplanting

6.

Which of the following is an advantage of sexual propagation versus asexual propagation?

a)

Sexual propagation produces offspring that are genetically IDENTICAL to the parents.

b)

Sexual propagation only involves ONE parent.

c)

Sexual propagation is more EXPENSIVE than asexual propagation.

d)

Sexual propagation produces offspring that display HETEROSIS or genetic variability.

7.

Which of the following best describes a hardwood cutting?

a)

A cutting taken from a soft, succulent, non - woody plants such as Geranium and Tomato.

b)

A cutting taken from a dormant deciduous tree or shrub (has no leaves)

c)

A cutting taken from an actively growing tree or shrub

d)

All of the above

8.

Which of the following best describes a herbaceous cutting?

a)

A cutting taken from a soft, succulent, non - woody plants such as Geranium and Tomato.

b)

A cutting taken from a dormant deciduous tree or shrub (has no leaves)

c)

A cutting taken from an actively growing tree or shrub

d)

All of the above

9.

When are hardwood cuttings typically taken?

a)

Spring

b)

Summer

c)

Winter

d)

All of the above

10.

When are herbaceous cutting typically taken?

a)

Spring

b)

Summer

c)

Fall

d)

All of the above

11.

Which of the following would be a plant propagated by hardwood cuttings?

a)

Marigold

b)

Snapdragon

c)

Tomato

d)

Crape Myrtle

12.

Which of the following would be a plant propagated by herbaceous cuttings?

a)

Wandering Jew

b)

Red Maple

c)

Water Oak

d)

Mugo Pine

13.

What is applied to the node (growing point) to initiate root development in cuttings?

a)

Rooting compound (IBA / NAA)

b)

Ammonium sulfate

c)

Limestone

d)

All of the above

14.

Which of the following best describes the term, separation?

a)

A method of propagation in which natural structures such as BULBS or CORMS are removed to create new plants.

b)

A method of propagation in which parts of the plant are cut into sections and produce new plants.

c)

The development of roots on a stem while the stem is still attached to the parent plant.

d)

All of the above

15.

Which of the following best describes the term, division?

a)

A method of propagation in which natural structures such as BULBS or CORMS are removed to create new plants.

b)

A method of propagation in which parts of the plant are cut into sections and produce new plants.

c)

The development of roots on a stem while the stem is still attached to the parent plant.

d)

All of the above

16.

Which of the following is an example of a plant propagated by division?

a)

Cabbage

b)

Crape Myrtle

c)

Muscadine

d)

Liriope

17.

Which of the following is an example of a plant propagated by separation?

a)

Tulips

b)

Petunia

c)

Tomato

d)

Willow Oak

18.

Which of the following best describes the term, rhizome?

a)

A thick, UNDERGROUND stem that grows HORIZONTALLY.

b)

A stem that runs HORIZONTALLY on TOP of the soil.

c)

A root that develops from a node in a cutting.

d)

All of the above

19.

Which of the following best describes the term, bulb?

a)

A thick, UNDERGROUND stem that grows HORIZONTALLY.

b)

A stem that runs HORIZONTALLY on TOP of the soil.

c)

An UNDERGROUND plant structure that contains LEAFY scales and serves the plant with stored food.

d)

All of the above

20.

Which of the following best describes the term, layering?

a)

A process in which two different plants are united so they grow as one.

b)

The development of roots on a stem while the stem is still attached to the parent plant.

c)

Newly installed shoot or top of the plant.

d)

The plant structure containing many parts but primarily composed of leaf scales.

21.

Which of the following best describes the term, air layering?

a)

A branch from a parent plant is bent to the ground where it is partially covered with soil.

b)

A form of layering in which the branch is potted or wrapped in a moist growing medium to promote root growth ABOVE ground.

c)

A bud from another plant is inserted into another plant.

d)

All of the above

22.

The wound on an air layer is wrapped in soaked peat moss and parafilm to prevent ________________.

a)

Water loss

b)

Carbon dioxide infiltration

c)

Oxygenation

d)

Senescence

23.

Which of the following best describes the term, grafting?

a)

A stem or leaf is removed from the parent plant to produce another plant.

b)

A stem attached to the parent plant is bent beneath the soil's surface to grow and develop roots.

c)

A process by which two different plants are united so they grow as one.

d)

All of the above

24.

Which of the following best describes the term, scion?

a)

The newly installed shoot or top of the plant that will develop into the TOP of the graft union.

b)

The seedling of the plant used as the BOTTOM half of the graft union.

c)

A method of propagation in which natural structures such as BULBS or CORMS are removed to create new plants.

d)

A form of layering in which the branch is potted or wrapped in a moist growing medium to promote root growth ABOVE ground.

25.

In order for a graft union to work successfully, it must meet which of the following EXCEPT____________________________.

a)

The two plants must be closely - related.

b)

The tissue from each plant needs to come in close contact with one another.

c)

All grafted areas needed to be waterproofed with wax or parafilm to prevent water loss.

d)

The graft union needs to be treated with 2, 4-D to prevent weeds growing the callus.