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






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






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






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






5. 'Alleles' are best described as...






6. 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?






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






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






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






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






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






12. How do bacteria reproduce?






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






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






15. What separates during meiosis-II






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






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






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






19. What are harmful effects of bacteria?






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






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






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






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






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






25. 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.






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






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






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


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






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






31. Seeds are not protected by fruit and they do not have flowers - do not have shell around seeds - reproduce by releasing pollen into the air to make available to the ovule in the megaspores - causing fertilization






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






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






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






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






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






37. What BEST describes plant hormones?






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






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






40. What type of RNA has a codon?






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






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






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






44. What is a final product of aerobic respiration?






45. What are the major groups of algae?






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






47. What type of RNA has an anticodon?






48. 'Alleles' are best described as...






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






50. 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?