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Asexual Propagation

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Sexual propagation is starting plants from:

a)

flowers

b)

seed

c)

roots

d)

plants

2.

Asexual Propagation: starting and growing plants by means other than _________.

a)

flowers

b)

roots

c)

sprouts

d)

seeds

3.

Joining separate plant parts together so that they form a union and grow together to make one plant is:

a)

layering

b)

grafting

c)

cuttings

d)

sexual propagation

4.

What is the piece of plant on TOP of the graft union?

a)

rootstock

b)

graft end

c)

graft top

d)

scion

5.

Another term for "tissue culture" propagation is:

a)

sterile culture

b)

micropropagation

c)

T.C.

d)

culture growth

6.

Stem cuttings should be taken:

a)

in the morning

b)

early evening

c)

when convenient

d)

at night

7.
Which of the following plant parts is not used in asexual propagation?
a)
stems
b)
roots
c)
leaves
d)
seeds
8.
Root cuttings are usually taken in 2-3 year old plants:
a)
during the summer when they are in full leaf
b)
during the dormant season when they have a large carbohydrate supply
c)
after flowering
d)
in the spring as leaves are emerging
9.

The method of plant propagation that involves bending an attached stem of a parent plant to the ground and covering part of it with soil to encourage rooting is called:

a)

simple layering

b)

stem cutting

c)

bark grafting

d)

tissue culture

10.

In grafting, the scion is the:

a)

tool used to cut plants apart

b)

term used to describe the dried wax surrounding a graft

c)

underground portion of a grafted plant

d)

shoot with dormant buds that is grafted onto a rootstock

11.

Portions of stems, leaves, or roots from which new plants are produced.

a)

adventitious roots

b)

micropropagation

c)

cuttings

d)

clones

12.

Asexual propagation is the reproduction of new plants from the stems, leaves, or roots of a parent plant.

a)

True

b)

False

13.

Which of the following is an advantage of asexual propagation?

a)

Plants with outstanding traits can be produced without risk of losing desired traits.

b)

Some plants are difficult to reproduce sexually.

c)

Huge numbers of genetically identical plants can be produced asexually.

d)

Mature plants can be obtained more rapidly than those grown from seed.

e)

All of the above

14.

Which of the following are factors that should be considered when direct seeding?

a)

Planting Date

b)

Planting Depth

c)

Planting Spacing

d)

All of the Above

15.

Flowering plants reproduce by...

a)

Sexual Methods

b)

Asexual methods

16.

Sexual reproduction produces what in the offspring?

a)

Variation

b)

Uniformity

17.

In sexual reproduction the offspring receive genetic information from...

a)

Dominant parent

b)

Both Parents

c)

One Parent

18.
Which is an example of asexual plant reproduction?
a)
Tissue Culture
b)
Grafting
c)
Cuttings
d)
All of the Above
19.
Which part of the plant soaks in the sun to help feed the plant?
a)
stem
b)
root
c)
seed
d)
leaf
20.
This part of the plant supports it and carries water.
a)
root
b)
stem
c)
leaf
d)
seed
21.
The female part of a flower is called the and the male part of a flower is called the:
a)
pistil, stamen
b)
stem, root
c)
petal, seed
d)
cone, sepal
22.
What is the job of the plant's leaves?
a)
It takes water and minerals from the soil.
b)
 It makes seeds.
c)
 It makes food for the plant.
d)
a.  It moves water and minerals from the roots to the leaves.
23.
What are the main functions of roots?
a)
 To make seeds and attract insects
b)
To absorb sunlight and make food
c)
To absorb water and hold the plant in the ground
d)
All of the above
24.

The process of growing new plants from seeds, cuttings, and other plant parts is called...

a)

Propagation

b)

Hybridizing

c)

Genetic modification

d)

Plant breeding

25.

You can start a new basil plant by taking a cutting from an existing plant and setting the cut end in moist potting mix. This is an example of....

a)

Vegetative propagation

b)

Sexual propagation

c)

Hybridizing

d)

Pollination

e)

Genetic modification

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