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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. What separates during meiosis-II






2. What BEST describes plant hormones?






3. What is a function of the epidermis?






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






5. What are homologous chromosomes?






6. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes






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






8. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.






9. What are the major groups of algae?






10. What is a final product of glycolysis?






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






12. During which phase of meiosis do daughter cells become haploid?






13. Which part of aerobic respiration generates the most ATP?






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






15. Differences in type and location of human-managed ecosystems - quantity and quality of available drinking water and air may also be affected by rising levels of atmospheric carbon dioxide






16. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?






17. A plant that carries two different versions of a gene for a single trait is...






18. Which part of aerobic respiration results in the production of CO2?






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






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






21. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?






22. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves






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






24. Which class of organic macromolecule stores the greatest amount of potential energy?






25. Enzymes are an example of what type of molecule?






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






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






28. In what part of a flower is pollen produced?






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






30. Which commonly eaten food is an example of a stem?






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






32. Seeds are not protected by fruit and they do not have flowers - do not have shell around seeds - reproduce by releasing pollen into the air to make available to the ovule in the megaspores - causing fertilization






33. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.






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






35. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?






36. Vascular and seed bearing






37. Under what circumstance would sexual reproduction be more successful than asexual reproduction?






38. Change in gene frequency in a gene population over time.






39. What causes diffusion of gases to occur?






40. What are beneficial products made from bacteria?






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






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






43. What are adenine - guanine - thymine - cytosine?






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






45. 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.






46. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?






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






48. How are the vascular bundles of a dicot arranged in the stem?






49. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?






50. What is the main function of the roots of a corn plant?







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