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2025 Horticulture Sem 1 Study

Total questions: 68

Worksheet time: 43mins

Name
Class
Date
1.

What is the hard outside of the seed called?

a)

seed coat

b)

embryo

c)

food storage

d)

seed jacket

2.

What part of the seed develops into a plant?

a)

Embryo

b)

Seed Coat

c)

Roots

d)

Food Storage

3.
What makes an avocado a fruit?
a)
An avocado is green.
b)
An avocado grows on a tree.
c)
An avocado contains a seed.
d)
An avocado are edible.
4.
Why is broccoli not a fruit?
a)
Broccoli is green with a flowery head.
b)
Broccoli does not contain seeds.
c)
Broccoli is not sweet.
d)
Broccoli can be eaten raw or cooked.
5.
What part of the seed provides food for the plant as it begins to grow?
a)
embryo
b)
seed coat
c)
cotyledon
6.
Which word identifies letter A?
a)
cotyledon
b)
seed coat
c)
embryo
7.
Which word identifies letter B?
a)
cotyledon
b)
seed coat
c)
embryo
8.
Which word identifies letter C?
a)
cotyledon
b)
seed coat
c)
embryo
9.

What is the job of the seed coat?

a)

to grow into a new plant

b)

to store food

c)

to protect the seed

10.
The baby plant inside a dry seed is _____, which means that it is resting or inactive.
a)
dormant
b)
growing 
c)
soaking
11.
Which part of flower develops into fruit
a)
ovule
b)
style
c)
stigma
d)
ovary
12.
The process of a seed coming out of its dormant state.
a)
germination
b)
pollination
c)
reproduction
d)
symbiosis
13.
Which statement concerning cotyledons is correct?
a)
Monocots have one cotyledon, dicots have two
b)
Monocots have two cotyledons, dicots have one
c)
Monocots have one cotyledon, dicots have more than two
d)
the number of cotyledons does  not matter
14.
Examine the leaf. Would you expect this plant to be classified as a dicot or monocot?
a)
monocot
b)
dicot
c)
Neither
d)
Both
15.

Flowering plants are called:

a)

pretty

b)

monocotyledons

c)

dicotyledons

d)

angiosperms

16.

What is NOT a characteristic of a monocot plant?

a)

parallel veins

b)

flowers in multiples of three

c)

Fibrous Roots

d)

Taproots

17.

What is a characteristic of a dicot plant?

a)

leaf veins resemble a net of web

b)

leaf veins are parallel

c)

Fibrous root system

d)

flowers in multiples of three

18.

What is a characteristic of a monocot plant?

a)

Fibrous root system

b)

taproot

c)

leaf veins resemble a net/web

d)

Embryo has 2 cotyledons

19.

Fibrous roots, scattered vascular structures, parallel leaf veins, & a single cotyledon embryo are all examples of a ______________.

a)

Monocot plant

b)

Dicot plant

c)

Tricot plant

d)

angiosperm

20.

taproot system, vascular bundles in a ring, net like leaf veins, and an embryo with two cotyledons are all characteristics of a ___________.

a)

monocot

b)

dicot

c)

angiosperm

d)

tricot

21.

What is #1?

a)

Node

b)

Axillary Bud

c)

Terminal Bud

d)

Lenticels

22.

What is #7?

a)

Node

b)

Leaf Scar

c)

Growth Ring

d)

Lenticels

23.

Buds that grow on the sides of a stem.

a)

lateral buds

b)

nodal buds

c)

terminal buds

d)

internodal buds

24.

What is the region on stems where buds are attached called?

a)

Nodes

b)

Petioles

c)

Leaves

d)

Lenticels

25.

Which part of the plant absorbs water and minerals from the soil?

a)

flower

b)

leaf

c)

roots

d)

stem

26.

Which part of the plant holds the plant up?

a)

flower

b)

leaf

c)

roots

d)

stem

27.
What is the name of the part of the root that allows water and minerals enter?
a)
root hairs
b)
epidermis
c)
phloem
d)
phyla
28.

Identify the leaf arrangement of the plant species.

a)

Bipinnate

b)

Alternate

c)

Entire

d)

Opposite

29.

Identify the leaf arrangement of the plant species.

a)

Opposite

b)

Alternate

c)

Palmate

d)

Bipinnate

30.

Identify the leaf arrangement of the plant species.

a)

Palmate

b)

Bipinnate

c)

Opposite

d)

Whorled

31.

Type of leaf?

a)

Normal

b)

Simple

c)

Complex

d)

Compound

32.

Type of leaf?

a)

Normal

b)

Simple

c)

Complex

d)

Compound

33.

Identify stem part E

a)

Leaf Scar

b)

Lenticel

c)

Node

d)

Internode

e)

Axillary Bud

34.

Which IPM control relies on predation and parasitism?

a)

Biological Control

b)

Mechanical Control

c)

Cultural Control

d)

Genetic Control

35.

What is the best definition of a pest?

a)

Any insect

b)

Any organism that is living where it should not belong

c)

Fungi that grow in greenhouses

36.

What does IPM stand for?

a)

Integrated Pest Management

b)

Insect Pest Management

c)

Individual Pest Management

37.

Which best defines a cultural control method for pest management?

a)

Using beneficial insects to control pest populations

b)

Using pesticides

c)

Changing preparation and management practices such as time of day to water, pruning, sterile pots and soil, etc.

d)

Using modified organisms (GMOs) to grow resistant plants

38.

Which best defines a chemical control method for pest management?

a)

Using beneficial insects to control pest populations

b)

Using pesticides

c)

Changing preparation and management practices such as time of day to water, pruning, sterile pots and soil, etc.

d)

Using modified organisms (GMOs) to grow resistant plants

39.

Insecticides are used to control what?

a)

Insects

b)

Arachnids

c)

Mites and Ticks

d)

All of the above.

40.

What insect is this?

a)

scale

b)

spider mite

c)

thrip

d)

aphid

41.

Name this insect

a)

scale

b)

spidermite

c)

mealybug

d)

aphid

42.

A ___________ PLANT PROVIDES A PEST WITH FOOD.

a)

PEST RIDDENT

b)

HOST

c)

WELCOMING

d)

SICK

43.

What is any substance that reduces, prevents, repels, or eliminates pests?

a)

Pesticide

b)

Insecticide

c)

Herbicide

d)

Disinfectants

44.

Identify this pest

a)

web worm

b)

looper

c)

bag worm

d)

webworm

45.

Identify this pest

a)

web worm

b)

bag worm

c)

looper

d)

tree catapillar

46.

Identify this pest

a)

aphids

b)

webworm

c)

spidermite

d)

thrips

47.

Identify this insect

a)

webworm

b)

bagworm

c)

inchworm

d)

looper

48.

What is the most effective way to control pests in your garden?

a)

Use of a strong pesticide program

b)

Using a well known exterminator

c)

Plant selection

d)

Physical removal of pest

49.

Picking insects of a host plant, or blasting them with a hard stream of water is what kind of treatment in IPM?

a)

cultural

b)

physical

c)

chemical

d)

biological

50.
All of the following are biotic diseases except:
a)
rusts
b)
nematodes
c)
ethylene exposure
d)
viruses
51.

Identify the disease on this plant

a)

Grey Mold

b)

Overwatering

c)

Powdery Mildew

d)

Tospovirus

52.

Name this plant disease:

a)

Black Spot

b)

Chlorosis

c)

Root Rot

d)

Damping Off

53.

Name this plant disease:

a)

Fire Blight

b)

Black Spot

c)

Root Rot

d)

Damping Off

54.

Visible effects of disease on plants are called ________

a)

Signs

b)

symptoms

c)

both

d)

none

55.

Bacterial ooze is an example of ____________

a)

Signs

b)

symptoms

c)

both

d)

none

56.

Plant pathogen includes

a)

fungi

b)

bacteria

c)

viruses

d)

all the above

57.

What is the first step in identifying a plant problem

a)

Identify the host and what it normally looks like

b)

Call O.S.U. extension office

c)

spray with pesticide

d)

prune off necrotic material

58.

Identify the disorder.

a)

Oak wasp gall

b)

Scale insect

c)

Mealybugs

d)

Hackberry nipple gall

59.

This bacterial infection is first noticed by the wilting leaves. It is easily identifiable by the discolored cambium.

a)

verticilium wilt

b)

anthractnose

c)

nematodes

d)

pine wilt

60.

Identify this disease

a)

Slime mold

b)

Smooth patch

c)

Hypoxylon canker

d)

Gray canker

61.

Identify this disease

a)

Apple blight

b)

Cedar phomopsis

c)

Diplodia leaf blight

d)

Cedar apple rust

62.

Identify this plant disorder

a)

damping off

b)

basal rot

c)

seedling blight

d)

downy mildew

63.

Identify this plant disorder

a)

Pine wilt

b)

Pine blight

c)

Dothrisoma tip blight

d)

Sudden pine decline

64.

These are growing on my oak tree. What are they?

a)

galls from a wasp

b)

acorns

c)

oak apples

d)

Spider eggs

65.

Which of the following indicates a plant has a disease ?

a)

Stunted growth

b)

Spots on leaves

c)

Decay or rot

d)

All of the above

66.

ID this plant disease symptom. When a plant looks "droopy" because not enough water is reaching the leaves and branches.

a)

mosaic

b)

damping-off

c)

wilt

d)

defoliation

67.
What does defoliation mean?
a)
A method of controlling the outbreak of a disease
b)
Destruction caused by a fungus where the roots rot
c)
Destruction caused by a pest where leaves fall off
d)
A method of controlling Webworms
68.

A mosquito is a...? Meaning that it can spread diseases.

a)

Pathogen

b)

Malaria

c)

Vector

d)

Protist

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