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






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






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






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






5. How does DNA replication take place?






6. What are the major groups of algae?






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






8. What type of fruit develops from a cluster of many simple flowers?






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






10. What is a final product of aerobic respiration?






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






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






13. 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.






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






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






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






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






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






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






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






21. What are the major groups of algae?






22. What are homologous chromosomes?






23. What are harmful effects of bacteria?






24. 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.






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

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






27. What is a function of the epidermis?






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






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






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






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






32. 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?






33. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?






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






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






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






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






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






39. 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?






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






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






42. What contains the most potential energy?






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






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






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






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






47. What organelle contains DNA?






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






49. 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.






50. Which substances pass through the open stomata of a leaf?