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 part of a stem can a tree live without?






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






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






5. What contains the most potential energy?






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






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






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






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






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






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






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






13. What contains the most potential energy?






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






15. 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?






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






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






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






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






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






21. 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






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






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






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






25. What is NOT a product of the krebs cycle?






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






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






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






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






30. What is NOT a function of the vacuole?






31. What is a function of the epidermis?






32. Have a nucleus - and a cell membrane






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






34. 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






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






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






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






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






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






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






41. Vascular and seed bearing






42. What causes diffusion of gases to occur?






43. Three generations of gymnosperms






44. 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.






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






46. What is the role of endosperm?






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






48. Transfer of DNA to RNA






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






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