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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. Where in a plant is the water potential lowest?






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






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






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






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






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






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






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






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






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






11. Transfer of DNA to RNA






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






13. What is the primary function of collenchyma cells?






14. What is NOT a function of the vacuole?






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






16. What is considered part of the protoplast?






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






18. What is the role of endosperm?






19. What cell undergoes meiosis?






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






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






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






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






24. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.






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






26. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes






27. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?






28. What is a function of the epidermis?






29. Differences in type and location of human-managed ecosystems - quantity and quality of available drinking water and air may also be affected by rising levels of atmospheric carbon dioxide






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






31. Info. carrying molecule - single stranded






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






33. 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.






34. Vascular and seed bearing






35. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?






36. What is NOT a function of the vacuole?






37. How do bacteria reproduce?






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






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






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






41. 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?






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






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

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






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






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






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






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






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






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