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






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






3. What BEST describes plant hormones?






4. What are homologous chromosomes?






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






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






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






8. What type of RNA has an anticodon?






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






10. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes






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






12. What organelle contains DNA?






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






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






15. Info. carrying molecule - single stranded






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






17. 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.






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






19. What is a reactant in the photochemical reactions of photosynthesis?






20. What cell undergoes meiosis?






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






22. Bugs crawl into 'pitchers' - tiny hairs keep them from getting out - plant breaks down enzymes - and uses nitrogen. lives in places where nitrogen is limited.






23. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?






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






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






26. 'Alleles' are best described as...






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






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






29. Epiphytes - valemine breaks down compost in roots






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






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






32. If an ovule is fertilized - what will it develop into?






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






34. How does DNA replication take place?






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






36. What are beneficial products made from bacteria?






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






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






39. What are harmful effects of bacteria?






40. 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.






41. What separates during meiosis-II






42. What are the major groups of algae?






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






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






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






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






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






48. How does DNA replication take place?






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






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







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Can you answer 50 questions in 15 minutes?


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