Basics of Plant Biology

15 Points Per Correct Answer - No time limit  

1. What sub-discipline of botany studies such processes as photosynthesis, respiration, tropisms, and mineral nutrition? Plant morphology Plant physiology Phytochemistry Plant molecular biology

2. Where do the lateral roots originate? Cortex Xylem of the roots Endodermis Pericycle

3. In pollination, a flower undergoes a double fertilization. What is the product of a sperm and two haploid polar nuclei? diploid zygote triploid endosperm diploid endosperm triploid zygote

4. What do you call the colorless plastids in plant cells that form and store starch, oils, and proteins? Chloroplasts Neutroplasts Chromoplasts Leucoplasts

5. What do you call the complex tissue that forms the outer bark in woody plants? Periderm Collenchyma tissue Epiderm Phloem

6. These are sites of loosely arranged cells that allow for gas exchange. What are they? Nodes Lenticles Buds Leaf scars

7. Which of the following factors does not affect the opening and closing of stomata? light or darkness direction of wind carbon dioxide concentration circadian rhythm within the plant

8. Complete the equation given: ribulose phosphate (RP) + ____________ = ribulose bisphosphate (RuBP) phosphate rubisco enzyme bismuth

9. What hormone in plant that functions as stem simulator delays senescence of leaves & citrus fruits, and can end seed dormancy in plants that require light for induction? Ethylene Cytokinin Gibberelin Auxin

10. Which of these plant nutrients is not considered a macronutrient? Phosphorus Hydrogen Potassium Iron