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Weeds Review Flashcards | StudBud
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Weeds Review
Weeds Review
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Flashcards
41 cards
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Practice quiz
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Questions
41
Answers
1
Name one way a weed can spread
Garden escapees
Water, wind, explosive ejection and vegetative spread
Machinery and disturbance
Humans and animals
2
This plant has a life cycle that is more than two years.. Which means it is a...
Sunflower
Its a Perennial
It has a tap root
It is a biennial plant
3
Where do weeds come from?
The sky
Most weeds have been introduced from another place
The soil
Inside your home
4
What is weed science?
Discipline that investigates the biology / ecology of weeds
A type of science that helps farmers
Looking at different types of weeds
5
True or False: Annuals only reproduce from seeds
False
True
6
What type of plant is this.. Notice where the plant is located
A Stamen
A Sedge
A Perennial
A Perennial
7
How can weeds be prevented?
By leaving weeds alone
By spreading a weeds seeds around your pasture
Minimizing soil and vegetation disturbance
By walking through weeds then walking through your corn
8
What is wilting
A certain type of weed
The name for leaves on a plant
The drying out, drooping, and withering of the leaves
A healthy plant
9
This is a way to move crops around to help regenerate soil and control weeds and pests
Crop Changing
Anther
Pesticides
Crop Rotation
10
Weed Characteristics
High seed output
Long period of seed production
Ability to produce seed in adverse conditions
Longevity of seed
11
What are the three weed classifications?
Green, Red, and Yellow Weeds
Tap root, Ground root, or Top Root weeds
Long, Tall or Short Weeds
Annuals, Biennials or Perennials
12
What is this farmer spraying?
A Herbicide
A Pesticide
A Insecticides
A Biennial
13
A Dicotyledon contains how many cotyledons?
12
2
1
2 1/2
14
How many embryonic leafs does a Monocot have?
1/2 of an embryonic leaf
One embryonic leaf
A monocot contains no embryonic leaf
Two or more embryonic leafs
15
Is crab grass...
Annual
Quadnnial
Biennial
Perennial
16
When is the weed collection final due?
During fair time
July 4th
The 20th
Today
17
What is the pollen-bearing organ of a flower, consisting of the filament and the anther.
Anther
Taproot
Stamen
Crop Rotation
18
What is an example of a Monocotyledon?
Broadleaf plants
Grasses, sedges, rushes
Dandelion, quackgrass
wild carrot, bull thistle, common mullein
19
What is an anther?
Where pollen does not exist
The type of root in a plant
The pollen-bearing part of a stamen.
20
What is an insecticide?
a substance or preparation used for killing insects.
A substance that is mixed into irrigation water
A substance that helps our crops grow
A substance that is used to kill weeds
21
Cheese Weed or Mallow is...
Perennial
Annual
All of the above
Biennial
22
What is an Agricultural Weed?
A farmers favorite plant
Weeds that help our cultivated plants grow
A plant that every farmer wants in his feild
Weeds that decrease agricultural yeild
23
Filaree is a...
Biennial
Only grows in December
Perennial
Annual
24
True or False: All weeds help the farmer grow their crops
False
True
25
How many weeds are you supposed to collect for your final?
10
5
13
2
26
This weed survives from year to year (more than 2 years)
Annual
Perennials
All Weeds last more that two years
Biennial
27
This weeds name is...
Dandelion
Rose
Egg plant
Mallow
28
True or False: Weeds compete with crops for light, moisture, space, and nutrients
False
True
29
This plant only grows every TWO years... This means it is a...
Perennial
Biennial
Annual
Anther
30
What is a pest?
An insect that does not harm or destroys crops
A bug that flies around your yard
A farmers best friend
An animal that harms or destroys crops, plants, trees, etc
31
To effectively manage weeds you should know:
All of the above
What weed you are dealing with - correct identification
Life cycle of the weed
Consider impact of the weed
32
What is an Environmental Weed?
Plants that threaten natural ecosystems
Plants that live at your house
Plants that grow quickly
Plants that live in the environment
33
What are weeds?
A plant your mothers likes in her garden
A plant that is growing in an unwanted area
A plant that farmers grow for food
Any plant or vegetation, excluding fungi
34
What is a pesticide?
a chemical for destroying plant, fungal, or animal pests.
A chemical that helps all plants grow including weeds
A growth hormone your your lawn
A bug that kills all plants
35
What is germination?
How plants grow
To develop into a plant from a seed, spore, or bulb.
The act of planting a seed
How a farmer gets rid of unwanted pests
36
A dandelion is a
Cool Climate Weed
Both cool and warm
It only grows in the snow
Warm Climate Weed
37
Weed Types
Backyard Weeds & Front Yard Weeds
Garden Weeds & Home Weeds
Flower bed Weeds & Garage Weeds
Environmental Weeds & Agricultural Weeds
38
Yellow Nutsedge is...
Perennial
None of the above
Biennial
Annual
39
What is an example of an Agricultural Weed?
English Ivy
Skeleton weed
Boneseed
Sunflower
40
This farmer is probably spraying....
Plant growth promoters
Fungicides
Herbicides
Pesticides
41
Differences between grasses and sedges:
Grass stems may be round or flattened.
Sadges grow purple flowers while grasses do not grow any
Grasses are always green while sedges are always brow
Sedges have a solid, triangular in cross section, stem.
