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. 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.






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






3. Lives in desert - leaves have waxy cuticle - succulent - holds onto water






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






5. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes






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






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






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






9. What is a final product of aerobic respiration?






10. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?






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






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






13. How does DNA replication take place?






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






15. 'Alleles' are best described as...






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






17. Vascular and seed bearing






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






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






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






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






22. Where in a plant is the water potential lowest?






23. What is the role of endosperm?






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






25. What are homologous chromosomes?






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






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






28. What separates during meiosis-II






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






30. 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.






31. Transfer of DNA to RNA






32. Where in a plant is the water potential lowest?






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






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






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






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






37. What cell undergoes meiosis?






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






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






41. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?






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






43. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes






44. What is the role of endosperm?






45. What is the main function of the roots of a corn plant?






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






47. Transfer of DNA to RNA






48. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?






49. What is a final product of glycolysis?






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