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






2. Three generations of gymnosperms






3. Transfer of DNA to RNA






4. What is the role of endosperm?






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






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






7. What plant tissue functions in conducting water from the roots to the leaves?






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






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






10. How do bacteria reproduce?






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






12. Have a nucleus - and a cell membrane






13. What is NOT a function of the vacuole?






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

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






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






17. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.






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






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






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






21. How do bacteria reproduce?






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






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






24. What are beneficial products made from bacteria?






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






26. Transfer of DNA to RNA






27. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.






28. What are beneficial products made from bacteria?






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






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






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






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






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






34. How does DNA replication take place?






35. 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?






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






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






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






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






40. What is the role of endosperm?






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






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






43. What separates during meiosis-II






44. Transferring of the information from the DNA into the language of the mRNA.






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






46. 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.






47. What are the major groups of algae?






48. What are homologous chromosomes?






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






50. What best describes a dry fruit which opens at maturity?