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






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






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






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






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






6. How does DNA replication take place?






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






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






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






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






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






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






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






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






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

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






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






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






19. What is the main function of the roots of a corn plant?






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






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






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






23. What organelle contains DNA?






24. What separates during meiosis-II






25. What is a function of the epidermis?






26. How do bacteria reproduce?






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






28. What type of RNA has a codon?






29. What are harmful effects of bacteria?






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






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






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






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






34. What causes diffusion of gases to occur?






35. What is NOT a function of the vacuole?






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






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






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






39. Transfer of DNA to RNA






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






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






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






43. What is the main function of the roots of a corn plant?






44. What is a final product of glycolysis?






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






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






47. What is the primary function of collenchyma cells?






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






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






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