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






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






3. What type of RNA has an anticodon?






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






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






6. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes






7. 'Alleles' are best described as...






8. What is a function of the epidermis?






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






10. What type of RNA has an anticodon?






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






12. 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?






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






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






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






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






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






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






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






20. 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.






21. What are beneficial products made from bacteria?






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






23. Transfer of DNA to RNA






24. What cell undergoes meiosis?






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






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






27. What is the role of endosperm?






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






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






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






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






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






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






34. What cell undergoes meiosis?






35. Lives in desert - leaves have waxy cuticle - succulent - holds onto water






36. What type of RNA has a codon?






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






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






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






40. Epiphytes - valemine breaks down compost in roots






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






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






43. Have a nucleus - and a cell membrane






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






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






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






47. What pigment absorbs energy and can emit an electron in photosynthesis?






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






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






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







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