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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 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.






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






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






4. What type of fruit develops from a cluster of many simple flowers?






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






6. Info. carrying molecule - single stranded






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






8. 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






9. What is considered part of the protoplast?






10. 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?






11. Have a nucleus - and a cell membrane






12. Epiphytes - valemine breaks down compost in roots






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






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






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






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






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






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






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






20. How do bacteria reproduce?






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






22. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?






23. What are the major groups of algae?






24. Iodine can be used to test for what molecule - resulting in a blue-black color?






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






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






27. Where in a dicot leaf does the majority of photosynthesis occur?






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






29. What are homologous chromosomes?






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






31. What contains the most potential energy?






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






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






34. What causes diffusion of gases to occur?






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






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






37. What type of fruit develops from a cluster of many simple flowers?






38. Vascular and seed bearing






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






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






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






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






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






44. What is the primary function of collenchyma cells?






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






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






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






48. Three generations of gymnosperms






49. What type of RNA has a codon?






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







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Can you answer 50 questions in 15 minutes?


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