Test your basic knowledge |

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






2. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes






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






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






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






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






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






8. What contains the most potential energy?






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






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






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






12. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves






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






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






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






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






17. What are harmful effects of bacteria?






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






19. Which part of aerobic respiration generates the most ATP?






20. What are harmful effects of bacteria?






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






22. What causes diffusion of gases to occur?






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






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






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


26. Transfer of DNA to RNA






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






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






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






30. Transfer of DNA to RNA






31. What BEST describes plant hormones?






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






33. Epiphytes - valemine breaks down compost in roots






34. 'Alleles' are best described as...






35. What are homologous chromosomes?






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






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






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






39. 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.






40. Three generations of gymnosperms






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






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






43. How does DNA replication take place?






44. 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.






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






46. 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?






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






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






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






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