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Test your basic knowledge |
Praxis Plant Science Botany
Start Test
Study First
Subjects
:
praxis
,
botany
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
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 wind - moved material that is silt - sized or smaller
Yield potential
Loess
Stomata
Varities
2. Is an equality in something visually attractive
Self - sterile
Back - siphoning
Cutin
Balance
3. Are brightly colored forms in which leaves may be modified
Stomata
Bracts
Varities
O horizon
4. In a tomato is from a fast uptake of water such as from sownpurs or excessive watering.
Fruit cracking
Monocots
Binomial nomenclature
Spines
5. A tomato disorder marked by a black or leathery brown spot on the fruits bottom.
Annuals
Companion crops
Blossom - end rot
Specific epithet
6. A condition in which wind or heat take too much water from a plant
Leaves
Sunscald
Specific epithet
Varities
7. What do roots do for the plant
Residual
Fungi
Parent material
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
8. Increase the roots capacity to absorb to water and nutrients
Lacustrine
Fungi
Vegetable
Root hairs
9. Have a two - year growth cycle
Photosynthesis
Biennial
Dicots
Ethylene
10. Below the O horizon - the __ horizon is where the mineral soil begins. It combines organic matter with weathered products.
Spines
Erosion
A horizon
Colluvium
11. A cluster or several flowers
Phloem
Taproots
Diffusion
Multiple fruits.
12. The system using two names to identify plants.
Binomial nomenclature
No - till
Fruit cracking
Stamen
13. 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
Proportion
Blossom - end rot
Plant hardiness
14. Provide food for plants. absorb sunlight and transform it into food.
Nutrient supply
Leaves
Annuals
Mass bulk/flow
15. The soils should be avoided because it pushes aggregates together - causing them to eventually break down
Cultivars
Focalization
Binomial nomenclature
Compaction
16. Examples os plants classified by growth patterns - have conducting rubes throughout their stems
Monocots
No - till
Nodes
Mass bulk/flow
17. Are those chemicals that control a target pest
Flowers
Insert ingredients
Active ingredients
O horizon
18. Are created when microbes from decomposed organic matter make compounds that make soil particles hold together.
Aggregates
Natural enemies
Specific epithet
Mulch - Till
19. For each field should then be analyzed based on the soil productivity and management that is intended.
Yield potential
Taproots
Root hairs
Companion crops
20. Is a hormone for plants and growth regulator
Monocots
Ethylene
Focalization
Lacustrine
21. Have numerous roots that are branched out.
Decidious
Ridge till
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
Fibrous roots
22. 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.
Specific epithet
E horizon
Transition
Binomial nomenclature
23. Scarring on the blossom end of a tomato
Catface
Cotyledons
Vascular system
Diffusion
24. A technology for growing plants in nutrient solutions with an artificial medium that providing mechanical support.
Pistil
Hydroponics
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
Anther
25. Full width tilage involving one or more trips during the soil surface is tilled. Done before or during planting.
Taproots
Mulch - Till
Monoecious
Stomata
26. Flowers with several simple pistils formed
Aggregate fruits
Mass bulk/flow
Evapotranspiration
Back - siphoning
27. Contain a strong primary root along with roots that branch out on the side
Nutrient supply
Phloem
O horizon
Taproots
28. Are plants grouped because of its ability to grow in girth
Photosynthesis
Dicots
E horizon
Eolian
29. Is movement of nutrients to the surfaces of roots through water movement in the soil.
Erosion
xylem
Mass bulk/flow
Monocots
30. Are a man made means of treating water through natural processes using plants - animals - microorganisms and the environment itself.
Constructed wetlands
Perennials
Rhythm
Insert ingredients
31. Soil is undisturbed from harvest to planting - in strips up to 1/3 of the row width.
Harrowing
Eolian
Ridge till
Specific epithet
32. A process in which nitrogen gas in the atmosphere is converted into ammonia.
Cultivars
Fruit
Nitrogen fixation
Blossom - end rot
33. Pesticide is a capor or gas or it forms a cloud of vapor and gas when applied
Lacustrine
Dioecious
Photosynthesis
Fumigant
34. Is moving liquid pesticide mixture through a filling hose and into a water source
Hydroponics
xylem
Back - siphoning
Flowers
35. When light is used to convert carbon dioxide and water into plant food.
Photosynthesis
Mycoplasmas
Fruit cracking
Aggregate fruits
36. Refer in botanical use as the edible parts of plant - other than the flower
Balance
Nodes
Buds
Vegetable
37. Uses a variety of combinations to control pest - generally one that does the least harm to the pest of the environment.
Tillage
Self - sterile
Mulch - Till
Integrated pest management
38. 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.
Companion crops
Cultivars
E horizon
O horizon
39. Are flowers and shoots not yet developed
Dicots
Fruit cracking
Dioecious
Buds
40. An embryo then develops inside a tissue that is protective and both layers are known as a
Stems
B horizon
Seed
Cotyledons
41. Are the smallest known living organisms that may reporuce and live apart from other living organisms.
Mycoplasmas
Monocots
Cuticle
Buds
42. Is a cyclic irrigation application that delivers water to land during a series of on and off time spans known as hydraulic surges.
Proportion
Genus
Take nutrients and water for the plant and store food for the plant. serves an anchor for plant.
Surge flow
43. Are organisms that can kill or reduce the ability to reporduce in other organisms
Hydroponics
xylem
Self - fruitful
Natural enemies
44. One of several conservation tillage types used to cover 30 percent or more of pasture with crop residue.
No - till
Varities
Simplicity
Bracts
45. Are the first leaves to appear after seeds germinate
Varities
Aggregate fruits
Sunscald
Cotyledons
46. A protective layer outside the surface of a leaf.
Flowers
Cuticle
Nutrient supply
A horizon
47. The system that moves water and minerals is called a
Vascular system
Natural enemies
xylem
Stigma
48. Help decrease the amount of excessive nutrients that can enter the water from storm runoff.
Lacustrine
Anther
Tendils
Nutrient management plans
49. Come from effective components used to express a main idea through a consistent style
Unity
Transition
Diffusion
B horizon
50. Occurs when pollen is carried from one plant to another
Nutrient management plans
Yield potential
Cross pollinization
Proportion