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






2. 'Alleles' are best described as...






3. Epiphytes - valemine breaks down compost in roots






4. Vascular and seed bearing






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

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






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






8. What separates during meiosis-II






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






10. What causes diffusion of gases to occur?






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






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






13. What BEST describes plant hormones?






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






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. 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






17. What is a final product of glycolysis?






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






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






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

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






22. 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






23. Have a nucleus - and a cell membrane






24. How do bacteria reproduce?






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






26. What cell undergoes meiosis?






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






28. Three generations of gymnosperms






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






30. What is a final product of glycolysis?






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






32. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes






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






34. What contains the most potential energy?






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






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






37. 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?






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






39. What are harmful effects of bacteria?






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






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






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






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






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






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






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






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






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






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






50. What are homologous chromosomes?







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Can you answer 50 questions in 15 minutes?


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