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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. A piece of potato tuber is placed in a concentrated sugar-water solution. what statement BEST describes why the piece of potato shrinks in size over time?






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






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






4. What BEST describes plant hormones?






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






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






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

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






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






10. Bugs crawl into 'pitchers' - tiny hairs keep them from getting out - plant breaks down enzymes - and uses nitrogen. lives in places where nitrogen is limited.






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






12. What organelle contains DNA?






13. How is algae different from 'true' plants?






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






15. What is a reactant in the photochemical reactions of photosynthesis?






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






17. During which phase of the cell cycle does DNA replication occur?






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






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






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






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






22. What would be a way of keeping a short-day plant from blooming?






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






24. What is a final product of aerobic respiration?






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






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






27. Vascular and seed bearing






28. Transfer of DNA to RNA






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






30. During which phase of mitosis do the sister chromatids separate?






31. What process involves the movement of water across a semi-permeable membrane?






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






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






34. What is the primary function of collenchyma cells?






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






36. What are the major groups of algae?






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






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






39. Under what conditions would a plant utilize fermentation to obtain energy?






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






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






42. What are the major groups of algae?






43. Under what conditions would a plant utilize fermentation to obtain energy?






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






45. What type of RNA has an anticodon?






46. 'Alleles' are best described as...






47. Which substances pass through the open stomata of a leaf?






48. What are beneficial products made from bacteria?






49. What cell undergoes meiosis?






50. What is the role of endosperm?







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Can you answer 50 questions in 15 minutes?


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