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Test your basic knowledge |
Praxis Plant Science Botany
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Subjects
:
praxis
,
botany
Instructions:
Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Is a hormone for plants and growth regulator
O horizon
Fibrous roots
Transpiration
Ethylene
2. Is an equality in something visually attractive
Phloem
Root hairs
Flowers
Balance
3. Provide food for plants. absorb sunlight and transform it into food.
Aggregates
Leaves
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
xylem
4. Refers to how well a plant can survive cold temperatures
Erosion
Plant hardiness
Balance
Compaction
5. The ___ horizon tops the profile and contains mostly organic matter - with a decomposed vegetation structure that enriches the soil with nutrients and helps it retain moisture.
Root interception
Hydroponics
Dioecious
O horizon
6. Refers to woody plants that lse leaves or needle each winter
Repetition
Decidious
Balance
Monocots
7. The system that allows the lifeblood or water - nutrients and food through the plant
Tendils
Fumigant
Vascular system
Fruits
8. Flowers with several simple pistils formed
Aggregate fruits
Tillage
Leaves
Spines
9. The growing of roots into new soil that contacts available nutrients
Ridge till
Flowers
Blossom - end rot
Root interception
10. Is breaking soil out of clods and breaking in finer clumps. Do this after you plow.
Active ingredients
Harrowing
Spines
Blossom - end rot
11. Is leading a visual observation toward a certain feature by planting the feature at a vanishing point that is between radial or approaching straight lines.
Focalization
Buds
Mass bulk/flow
Pistil
12. The part of the system that moves the food is known as the
Perennials
Fruit cracking
Mass bulk/flow
Phloem
13. A cluster or several flowers
Evergreen
Mass bulk/flow
Dicots
Multiple fruits.
14. Uses a variety of combinations to control pest - generally one that does the least harm to the pest of the environment.
Tillage
O horizon
Genus
Integrated pest management
15. When soil detaches from a portion of the soil profile or the surface of the soil
Erosion
Mycoplasmas
B horizon
Stamen
16. An embryo then develops inside a tissue that is protective and both layers are known as a
Nitrogen fixation
Seed
Blossom - end rot
Insert ingredients
17. Is a reference to the size of portions of the design in relation to one another.
Monoecious
Proportion
Multiple fruits.
Flowers
18. Refers to a plant froup with male and female plants occuring on the same plant such as corn and squash
Vascular system
Cambium
Seed
Monoecious
19. Are organisms that can kill or reduce the ability to reporduce in other organisms
Natural enemies
Monocots
Fruit cracking
Compaction
20. Are new of hybrid plants in which hybridization has been manipulated by humans
Constructed wetlands
Cultivars
xylem
E horizon
21. Formation of buds taking place.
Nodes
Seed
Companion crops
Fruits
22. Cannot be fertilized by their own pollen
Companion crops
Self - sterile
Binomial nomenclature
Leaves
23. Examples os plants classified by growth patterns - have conducting rubes throughout their stems
Erosion
Monocots
Mycoplasmas
Specific epithet
24. Should be used when mixed plantings are made during marginal planting periods.
E horizon
Nitrogen fixation
Companion crops
Monocots
25. Plants retain their leaces all year
Parent material
Companion crops
Aggregate fruits
Evergreen
26. The waxy substance that makes up cuticles.
Cutin
Stomata
Cross pollinization
Dioecious
27. A technology for growing plants in nutrient solutions with an artificial medium that providing mechanical support.
Companion crops
Residual
Hydroponics
Active ingredients
28. In a tomato is from a fast uptake of water such as from sownpurs or excessive watering.
Simplicity
Stamen
Fruit cracking
Rhythm
29. How water is used in plants to carry nutrients
Evergreen
Harrowing
Cambium
Transpiration
30. The female portion of a flower
Diffusion
A horizon
Pistil
Evapotranspiration
31. The only vegetable used as a fruit
Unity
Stamen
Decidious
Rhubarb
32. Plants that live their entire life cycle n one growing season
Perennials
Fibrous roots
Annuals
Diffusion
33. Contain a strong primary root along with roots that branch out on the side
Taproots
Perennials
Rhythm
Transpiration
34. Refers to the movement through the soil of molecules.
Sunscald
Rhubarb
Natural enemies
Diffusion
35. One of several conservation tillage types used to cover 30 percent or more of pasture with crop residue.
Diffusion
Bracts
Dicots
No - till
36. Have numerous roots that are branched out.
Fibrous roots
Natural enemies
Nodes
Blossom - end rot
37. A process in which nitrogen gas in the atmosphere is converted into ammonia.
Self - sterile
Stems
Focalization
Nitrogen fixation
38. Materials developing or weathering in place and are not transported
Cuticle
Residual
Photosynthesis
No - till
39. By crops is dependent on the soils nutrient supply - the area of the root surface area and the root activity.
Loess
Self - fruitful
Nutrient supply
Dioecious
40. Leaf rust is a form of
Bracts
Nitrogen fixation
Fungi
Tendils
41. Always develop from a flower and has at least one ovary that has ripened
Fruit
Stamen
Focalization
Annuals
42. The opposite of photosynthesis - uses food and oxygen to change chemical energy into heat for plants.
Ridge till
Annuals
Respiration
Constructed wetlands
43. The system that moves water and minerals is called a
Compaction
xylem
Specific epithet
Constructed wetlands
44. Ripe ovaries or groups of ripened ovaries that contain seeds.
Fruits
Self - fruitful
Dicots
Root interception
45. Below the E horizon - the ___ horizon is where fine material has accumulated to create a dense layer in the soil. May be enriched with calcium carbonate in the form of a layer or nodule.
Cultivars
B horizon
Dicots
Parent material
46. Is a cyclic irrigation application that delivers water to land during a series of on and off time spans known as hydraulic surges.
Surge flow
No - till
Monocots
Nutrient supply
47. Increases organic matter and disburses aggregates
Surge flow
Tillage
Sunscald
Unity
48. The male portion of a flower
Stamen
xylem
Monoecious
Fumigant
49. When light is used to convert carbon dioxide and water into plant food.
Stigma
A horizon
Mulch - Till
Photosynthesis
50. Are plants grouped because of its ability to grow in girth
Transpiration
Mulch - Till
Dicots
Fungi
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