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






2. What is a function of the epidermis?






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






4. What organelle contains DNA?






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






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






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






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






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






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






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






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






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






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






15. What are beneficial products made from bacteria?






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






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






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






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






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






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






22. What is the role of endosperm?






23. Epiphytes - valemine breaks down compost in roots






24. What cell undergoes meiosis?






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






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






27. How do bacteria reproduce?






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






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






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






31. What causes diffusion of gases to occur?






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






33. How are the vascular bundles of a dicot arranged in the stem?






34. 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.






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






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






37. What separates during meiosis-II






38. What is a final product of aerobic respiration?






39. What is a final product of glycolysis?






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






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






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






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






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






45. 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?






46. What are homologous chromosomes?






47. What is a final product of aerobic respiration?






48. What is the role of endosperm?






49. What cell undergoes meiosis?






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