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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. What causes diffusion of gases to occur?






2. What is the primary function of collenchyma cells?






3. What is a final product of aerobic respiration?






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






5. How do bacteria reproduce?






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






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






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






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






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






11. What are the major groups of algae?






12. What is NOT a structure found on a typical flowering plant?






13. What are harmful effects of bacteria?






14. What are homologous chromosomes?






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






16. What type of RNA has an anticodon?






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






18. What contains the most potential energy?






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






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






21. How many sperm cells does each pollen grain typically carry?






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






23. Epiphytes - valemine breaks down compost in roots






24. What are homologous chromosomes?






25. 'Alleles' are best described as...






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






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






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






29. 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.






30. How does DNA replication take place?






31. What causes diffusion of gases to occur?






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






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






34. What separates during meiosis-II






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






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

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






38. 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.






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






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






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






42. 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






43. What type of RNA has an anticodon?






44. What are the major groups of algae?






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






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






47. Three generations of gymnosperms






48. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?






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






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