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PLNT 1213: Plant and Soil Final Exam correctly answered to pass
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PLNT 1213: Plant and Soil Final Exam correctly answered to pass
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PLNT 1213: Plant and Soil Final ExamFood Security - correct answer ✔✔when all people at all times have access to sufficient, safe, nutritious
food to maintain a healthy lifestyle...includes monetary and physical ability have food
What are the 12 soil orders? - correct answer ✔✔1. Alfisols
2. Andisols
3. Aridisols
4. Entisols
5. Gelisols
6. Histosols
7. Inceptisols
8. Mollisols
9. Oxisols
10. Spodosols
11. Ultisols
12. Vertisols
What is Oklahoma's state soil? - correct answer ✔✔port silt loam
What is soil composed of? - correct answer ✔✔1. Minerals (45%)
2. Air (25%)
3. Water (25%)
4. Organic matter (5%)
What are the soil particle sizes in order from smallest to largest? - correct answer ✔✔clay > silt > sand
What are very large particles not considered to be soil? - correct answer ✔✔rock >2mm
,What affects how much space is left for water and air in the soil matrix? - correct answer ✔✔the
different sized soil particles present
What are the five soil forming factors? - correct answer ✔✔1. Parent material
2. Climate
3. Biota
4. Topography or relief
5. Time
What are the four principle functions of soil? - correct answer ✔✔1. Production
2. Engineering
3. Ecosystem services
4. Habitat
What are the four soil horizons? - correct answer ✔✔1. O (organic horizon on the surface)
2. A (topsoil which is the most productive)
3. B (subsoil)
4. C (unconsolidated parent material or rock)
Shoot - correct answer ✔✔above ground portion of the plant including leaves, stems, and eventually
inflorescence
What are leaves' role in photosynthesis? - correct answer ✔✔1. Intercept light
2. Regulate gas exchange (water vapor and carbon dioxide)
3. Move sugars into the vasculature
Cotton has what kind of leaf shape? - correct answer ✔✔palmate
, Corn has what kind of leaf shape? - correct answer ✔✔linear or lanceolate
Soybeans have what kind of leaf shape? - correct answer ✔✔tri-foliate
Carpel or pistil - correct answer ✔✔female portion of the flower
What makes up the carpel or pistil? - correct answer ✔✔stigma, style, and ovary
Stamen - correct answer ✔✔male portion of the flower
What makes up the stamen? - correct answer ✔✔anther and filament
What makes up the corolla? - correct answer ✔✔petals
What makes up the calyx? - correct answer ✔✔sepals
Complete flowers - correct answer ✔✔have all four parts (pistil, stamen, calyx, and corolla)
Perfect flowers - correct answer ✔✔have both the stamen and the pistil
What do seeds consist of? - correct answer ✔✔embryo, endosperm, and testa (seed coat)
What is the analogy for the seed? - correct answer ✔✔"a baby plant in a box with it's lunch"
Roots - correct answer ✔✔underground vegetative organs
What are the functions of a root? - correct answer ✔✔1. Anchor and support the plant
2. Absorb water and nutrients (root hairs)
3. Storage (modified roots)
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