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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. Parent material that the wind transports
Eolian
Insert ingredients
Bracts
Repetition
2. The male portion of a flower
Biennial
Active ingredients
Stamen
Binomial nomenclature
3. Is a wind - moved material that is silt - sized or smaller
Rhubarb
Loess
Natural enemies
Cultivars
4. Have numerous roots that are branched out.
Cotyledons
Diffusion
Fruit cracking
Fibrous roots
5. Is a reference to the size of portions of the design in relation to one another.
B horizon
Proportion
Cultivars
Tendils
6. Always develop from a flower and has at least one ovary that has ripened
Aggregates
Seed
Nitrogen fixation
Fruit
7. Have a two - year growth cycle
Residual
Biennial
Proportion
Varities
8. How water is used in plants to carry nutrients
Loess
Transpiration
Dicots
Erosion
9. 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.
Decidious
Yield potential
Repetition
B horizon
10. Are tiny leaf openings on the leaf surface - allows plants to release and take in gases - such as carbon dioxide - oxygen - and water vapor
Stomata
Ridge till
Multiple fruits.
Rhythm
11. One of several major factors influencing soil characteristics.
A horizon
Mass bulk/flow
Surge flow
Parent material
12. Examples os plants classified by growth patterns - have conducting rubes throughout their stems
Monocots
Root hairs
Root interception
O horizon
13. Should be used when mixed plantings are made during marginal planting periods.
Cuticle
Insert ingredients
Companion crops
Compaction
14. Contain a strong primary root along with roots that branch out on the side
Taproots
Simplicity
No - till
Stamen
15. Increases organic matter and disburses aggregates
No - till
Tillage
Erosion
Multiple fruits.
16. This name is not always capitalized - in botany refers to a group of plants that can interbreed only among themselves
Self - sterile
Specific epithet
Cotyledons
Nutrient supply
17. Which holds and captures pollen - and the style.
Stigma
Cambium
Lacustrine
Erosion
18. Refers to the first name used in binomial nomenclature. Capitalized word that refers to a plant cluster that has similarities that can be recognized easily.
Fibrous roots
Genus
Yield potential
Blossom - end rot
19. Is change that is gradual
Nutrient supply
Transition
Rhubarb
Aggregates
20. Materials that are moved by streams and deposited into fresh water.
Lacustrine
Erosion
Insert ingredients
Balance
21. Is breaking soil out of clods and breaking in finer clumps. Do this after you plow.
Harrowing
Buds
Fruit cracking
Unity
22. Formation of buds taking place.
Aggregate fruits
Cotyledons
Leaves
Nodes
23. Are plants grouped because of its ability to grow in girth
Stems
Transition
Simplicity
Dicots
24. The opposite of photosynthesis - uses food and oxygen to change chemical energy into heat for plants.
Tillage
Cambium
Respiration
Fruit cracking
25. Are groups of plants developing new characteristics that occur naturally though hybridization.
Varities
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
Stamen
Insert ingredients
26. The female portion of a flower
Self - sterile
Fruit
Spines
Pistil
27. Refers to plants with only male or female flower on a single plant such as hollies
Dioecious
Root hairs
E horizon
Bracts
28. Determine how long is an internodes length
Cotyledons
E horizon
Temperature and light
Harrowing
29. Trunks for a plant. support leaves - fruits - and flowers. May also take in nutrients and store food.
Cultivars
Phloem
Catface
Stems
30. Refers to a plant froup with male and female plants occuring on the same plant such as corn and squash
Monoecious
Phloem
Plant hardiness
Cambium
31. A cluster or several flowers
Multiple fruits.
Repetition
Root hairs
A horizon
32. Are those chemicals that control a target pest
Active ingredients
Cambium
Surge flow
Cotyledons
33. Cannot be fertilized by their own pollen
Mass bulk/flow
Self - sterile
Decidious
Active ingredients
34. One of several conservation tillage types used to cover 30 percent or more of pasture with crop residue.
Cultivars
Back - siphoning
Residual
No - till
35. Is a hormone for plants and growth regulator
Ethylene
Stems
Harrowing
Biennial
36. The loss of water by plants from both evaporation and transpiration.
Evapotranspiration
Nutrient management plans
Buds
Nitrogen fixation
37. Support stems
Tendils
Cuticle
A horizon
Cutin
38. Scarring on the blossom end of a tomato
Cambium
Transpiration
Ridge till
Catface
39. Are the first leaves to appear after seeds germinate
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
Cotyledons
Monocots
Anther
40. As in the sense of a plant part - is a structure that produces seeds.
Cross pollinization
Nutrient supply
Flowers
Mycoplasmas
41. Flowers with several simple pistils formed
Blossom - end rot
Respiration
Vegetable
Aggregate fruits
42. When light is used to convert carbon dioxide and water into plant food.
Tendils
Simplicity
Photosynthesis
Varities
43. What do roots do for the plant
A horizon
No - till
Loess
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
44. Full width tilage involving one or more trips during the soil surface is tilled. Done before or during planting.
Compaction
Mulch - Till
Cross pollinization
Vegetable
45. 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.
O horizon
Rhythm
Surge flow
E horizon
46. Soil is undisturbed from harvest to planting - in strips up to 1/3 of the row width.
Biennial
Ridge till
O horizon
Taproots
47. Is a cyclic irrigation application that delivers water to land during a series of on and off time spans known as hydraulic surges.
Varities
Focalization
Surge flow
Natural enemies
48. For each field should then be analyzed based on the soil productivity and management that is intended.
Balance
Active ingredients
Yield potential
Stems
49. Are inactive parts of pesticide used for diluting a pesticide or to make it safer - easier to mix - measure - apply or more effective.
Constructed wetlands
No - till
Insert ingredients
Multiple fruits.
50. The waxy substance that makes up cuticles.
Surge flow
A horizon
O horizon
Cutin
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