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Plant Science Lect.
| Question | Answer |
|---|---|
| What are the 3 levels of botanical classification system? | 1) Genus 2) Species 3) Cultivar |
| What are the 4 climatic classifications of plants? | 1) Tropical 2) Subtropical 3)Temperate 4) Boreal |
| What are the 4 environmental factors that affect seed germination? | 1) Oxygen 2) Water 3) Temperature 4) Light |
| What are the 3 stages of seed germination? | 1) Water absorption/activation 2) Digestion/Translocation 3) Cell division/elongation |
| What are the 5 specialty types of stems? | 1) Tiller 2) Rhizome 3) Stolon 4) Tuber 5) Bulb |
| What are the 3 parts of a dicot leaf? | 1) Blade 2) Petiole 3) Stipules |
| What are 5 types of roots/root terms? | 1) Crown Roots 2) Seminal Roots 3) Brace Roots 4) Fiberous Roots 5) Tap Roots |
| What are the 4 flower parts that make a flower complete? | 1) Petal 2) Sepal 3) Pistil 4) Stamen |
| What are the 4 purposes of plant transpiration? | 1) Cool the plant 2) Water absorption 3) Nutrient absorption 4) Gas exchange from leaf |
| What are the chemical 2 imputs and 2 outputs of photosynthesis? | 1) CO2 2) H2O 3) Sugar 4) O2 |
| What are the 3 categories of light regulatedplant growth? | 1) Phototropism 2) Photoperiodism 3) Photomorphogenesis |
| What are 5 tissues or structures in plant leaves? | 1) Cuticle 2) Stomata (Gaurd Cells) 3) Epidermis 4) Xylem/Phloem 5) Mesophyll Cells |
| What are the 5 plant hormones? | 1) Auxin 2) Gibberellin 3) Cytokinin 4) Ethylene 5) Abscisic Acid |
| What are the 3 parts of a female flower? | 1) Stigma 2) Style 3) Ovary |
| What are the times when plants utilize stored energy? | 1) Regrowth after dormancy 2) Staying alive during dormancy 3) Regrowth after cutting/grazing 4) During stress 5) During seed production |
| Facts about mitosis. | 1) 2 daughter cells produced 2) Daughter cells are diploid 3) Cell division in roots, stems, leaves, etc. |
| Facts about meiosis. | 1) 4 daughter cells produced 2) Daughter cells are 1N 3) Only used to make pollen and egg cells |
| Plant genetic terms. | 1) Genotype = genetic make up 2) Phenotype = physical characteristics 3) Homozygous = AA,aa 4) Heterozygous = Aa 5) Incomplete Dominance = white+purple=pink |
| How does genetic engineering differ from plant breeding? | 1) In lab vs. using plant machinery 2) GE can cross with any organism 3) GE is gene specific vs. all genes 4) GE controls when and where gene is expressed |
| Techniques used to achieve genetic engineering. | 1) Gene Gun 2) Tissue Culture with agrobacterium 3) Microinjection or microfibers 4) Electroporation |
| Inflorescence types. | 1) Spike 2) Panicle 3) Raceme 4) Head 5) Capitulum |
| Which climatic classification does the US have (freezes during the winter) | Temperate |
| What is photoperiodism? | Plant growth based on the amount of darkness |
| What is photomorphogenesis? | Plants after emergence start to grow leaves |
| What does Auxin do? | Cell Elongation |
| What does Gibberellin do? | Stem elongation and Seed Germination |
| What does Cytokinin do? | Cell Division |
| What does Ethylene do? | Fruit Ripening |
| What does Abscisic Acid do? | Dormancy |
Created by:
Slkingsbury