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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.
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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. 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.
Leaves
Stamen
Fibrous roots
O horizon
2. Is an equality in something visually attractive
Taproots
Phloem
Monoecious
Balance
3. Below the O horizon - the __ horizon is where the mineral soil begins. It combines organic matter with weathered products.
xylem
Cambium
A horizon
Compaction
4. Are a man made means of treating water through natural processes using plants - animals - microorganisms and the environment itself.
Constructed wetlands
Nitrogen fixation
Ethylene
Multiple fruits.
5. Have a two - year growth cycle
Root hairs
Binomial nomenclature
A horizon
Biennial
6. Below the A horizon - the ___ horizon is usually light colored layer - with clay particles having been leached or removed. Contains organic matter as well as iron oxides and aluminum.
E horizon
Cuticle
Nutrient management plans
Fruits
7. As in the sense of a plant part - is a structure that produces seeds.
Flowers
Dioecious
Focalization
Mulch - Till
8. Contain a strong primary root along with roots that branch out on the side
Active ingredients
Taproots
Root interception
Monoecious
9. Are brightly colored forms in which leaves may be modified
Bracts
Companion crops
Harrowing
Blossom - end rot
10. Is where the formation of pollen takes place
Root interception
Stems
Anther
Parent material
11. A tomato disorder marked by a black or leathery brown spot on the fruits bottom.
Blossom - end rot
Cuticle
Natural enemies
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
12. The female portion of a flower
Cutin
Balance
Pistil
Back - siphoning
13. Are new of hybrid plants in which hybridization has been manipulated by humans
Cultivars
Specific epithet
Seed
Self - fruitful
14. The soils should be avoided because it pushes aggregates together - causing them to eventually break down
Compaction
xylem
Active ingredients
Genus
15. 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.
Mycoplasmas
B horizon
Balance
Back - siphoning
16. Plants retain their leaces all year
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
Nutrient supply
Evergreen
Stomata
17. Is movement of nutrients to the surfaces of roots through water movement in the soil.
Mass bulk/flow
Stems
Buds
Focalization
18. One of several major factors influencing soil characteristics.
Photosynthesis
Nitrogen fixation
Parent material
Flowers
19. Cannot be fertilized by their own pollen
Constructed wetlands
Leaves
Self - sterile
Tillage
20. Help decrease the amount of excessive nutrients that can enter the water from storm runoff.
Fruits
Nutrient management plans
Root interception
Cotyledons
21. Have numerous roots that are branched out.
Fibrous roots
Decidious
Biennial
Diffusion
22. Are tiny leaf openings on the leaf surface - allows plants to release and take in gases - such as carbon dioxide - oxygen - and water vapor
Nutrient supply
Stomata
Multiple fruits.
A horizon
23. For each field should then be analyzed based on the soil productivity and management that is intended.
Photosynthesis
Mass bulk/flow
Specific epithet
Yield potential
24. Are flowers and shoots not yet developed
Buds
Mulch - Till
Nodes
Bracts
25. Which holds and captures pollen - and the style.
Stigma
Nutrient supply
Biennial
Natural enemies
26. Refers to the movement through the soil of molecules.
Yield potential
Diffusion
Nutrient supply
Aggregates
27. Pollinated from the same flower or other flowes on the same
Buds
B horizon
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
Self - fruitful
28. Is breaking soil out of clods and breaking in finer clumps. Do this after you plow.
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
Self - fruitful
Mycoplasmas
Harrowing
29. Are those chemicals that control a target pest
Parent material
Integrated pest management
Temperature and light
Active ingredients
30. The only vegetable used as a fruit
Rhubarb
Spines
Fruit
Evapotranspiration
31. A condition in which wind or heat take too much water from a plant
Insert ingredients
Bracts
Tendils
Sunscald
32. A stem also has a part known as a ___ - which produces tissue that lengthens the stem
Cambium
Rhubarb
Aggregate fruits
Nodes
33. Repeated features such as plants. These features have like shape - form - texture - and color.
Repetition
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
Monocots
Mass bulk/flow
34. Determine how long is an internodes length
Anther
Biennial
Temperature and light
Stamen
35. When light is used to convert carbon dioxide and water into plant food.
Constructed wetlands
Fibrous roots
Photosynthesis
Rhythm
36. In a tomato is from a fast uptake of water such as from sownpurs or excessive watering.
Anther
Dicots
Fruit cracking
A horizon
37. What do roots do for the plant
Root interception
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
Nitrogen fixation
Transition
38. Plants that live their entire life cycle n one growing season
Repetition
Bracts
Annuals
Anther
39. A cluster or several flowers
Multiple fruits.
Diffusion
Self - sterile
Cultivars
40. 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
Nodes
Decidious
Perennials
41. Refer in botanical use as the edible parts of plant - other than the flower
Vegetable
Sunscald
Flowers
Fumigant
42. A process in which nitrogen gas in the atmosphere is converted into ammonia.
xylem
Fungi
Unity
Nitrogen fixation
43. Ripe ovaries or groups of ripened ovaries that contain seeds.
Leaves
Cutin
Fruits
Nodes
44. An embryo then develops inside a tissue that is protective and both layers are known as a
Fruit
A horizon
Residual
Seed
45. Materials developing or weathering in place and are not transported
Residual
Nitrogen fixation
Natural enemies
Back - siphoning
46. Reducing a design to its simplest and most functional form.
Buds
Mulch - Till
Simplicity
Evergreen
47. Support stems
Tendils
Fruits
Stems
Phloem
48. Trunks for a plant. support leaves - fruits - and flowers. May also take in nutrients and store food.
Stems
Proportion
Fumigant
Evapotranspiration
49. Come from effective components used to express a main idea through a consistent style
Transition
Unity
Plant hardiness
Eolian
50. Are created when microbes from decomposed organic matter make compounds that make soil particles hold together.
Pistil
Root interception
Aggregates
Proportion
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