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






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






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






4. NO vascular tissue - NO roots - have modified photosynthetic tissue to help it absorb carbon dioxide without losing too much water - can survive in variety of environments - seedless - and commonly seen as mosses - hornworts - and liverworts.






5. Three generations of gymnosperms






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

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






8. What type of RNA has a codon?






9. What cell undergoes meiosis?






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






11. 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






12. What are harmful effects of bacteria?






13. What is a final product of glycolysis?






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






15. What is NOT a function of the vacuole?






16. What is a final product of glycolysis?






17. What is the role of endosperm?






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






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






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






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






22. What type of RNA has a codon?






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






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






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






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






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






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






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






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






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






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






33. 'Alleles' are best described as...






34. 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.






35. How does DNA replication take place?






36. Have a nucleus - and a cell membrane






37. 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






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






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






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






41. What is a function of the epidermis?






42. Epiphytes - valemine breaks down compost in roots






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






44. What type of RNA has an anticodon?






45. How do bacteria reproduce?






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






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






48. What part of a stem can a tree live without?






49. Have a cell wall - no membrane - and no nucleus






50. Epiphytes - valemine breaks down compost in roots







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Can you answer 50 questions in 15 minutes?


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