Test your basic knowledge |

Botany Test

Subject : science
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. Southern US - prop roots hold it in place as water moves out - it can breathe under water.






2. You can determine the age of a woody branch by counting these






3. What pigment is responsible for plants sensing day length?






4. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?






5. What structure is MOST important in generating root pressure?






6. Lives in desert - leaves have waxy cuticle - succulent - holds onto water






7. Three generations of gymnosperms






8. Heating up bacteria until it is harmless and cannot function.






9. What organelle was observable in the onion epidermis stained with iodine?






10. What are harmful effects of bacteria?






11. A gymnosperm - lives in the desert for up to 3000 years - only grows 2 leaves - 5 feet across - they receive 1 inch of lower of rainfall per year - roots can grow under the soil at least a mile.






12. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?






13. What is the primary function of collenchyma cells?






14. Cladifils- modified stems that look like leaves - all parts are photosynthetic


15. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?






16. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer






17. What hormone is most important in the ripening of fruits?






18. What is NOT a product of the krebs cycle?






19. Info. carrying molecule - single stranded






20. What is a product of the biochemical reactions of photosynthesis?






21. How many sperm cells does each pollen grain typically carry?






22. What is a function of the epidermis?






23. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?






24. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.






25. In what portion of a root might you find 'root hairs'?






26. Vascular and seed bearing






27. What is considered part of the protoplast?






28. What causes diffusion of gases to occur?






29. What organelle do guard cells contain that other epidermal cells lack?






30. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?






31. Where in a plant is the water potential lowest?






32. What is the role of endosperm?






33. What is a function of the epidermis?






34. What separates during meiosis-II






35. What is NOT a function of the vacuole?






36. What separates during meiosis-II






37. What tissue can be found in a root but not in a stem?






38. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms






39. During which phase of mitosis does the nuclear envelope disappear?






40. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?






41. What are beneficial products made from bacteria?






42. Where in a plant is the water potential lowest?






43. What are harmful effects of bacteria?






44. A gymnosperm - lives in the desert for up to 3000 years - only grows 2 leaves - 5 feet across - they receive 1 inch of lower of rainfall per year - roots can grow under the soil at least a mile.






45. If an ovule is fertilized - what will it develop into?






46. A tissue in Which mitosis takes place - giving rise to the secondary xylem.






47. What is the function of the cortex in a root?






48. What causes diffusion of gases to occur?






49. What contains the most potential energy?






50. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?