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. 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






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






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






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






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






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. Vascular and seed bearing






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






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






10. Three generations of gymnosperms






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






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






13. How does DNA replication take place?






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






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






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






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






18. 'Alleles' are best described as...






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






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






21. What causes diffusion of gases to occur?






22. What BEST describes plant hormones?






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






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






25. What are harmful effects of bacteria?






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






27. What contains the most potential energy?






28. What is a final product of aerobic respiration?






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






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






31. What is a function of the epidermis?






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






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






34. What is the role of endosperm?






35. What are beneficial products made from bacteria?






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






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






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






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






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






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






42. 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?






43. What is considered part of the protoplast?






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






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






46. Which part of aerobic respiration generates the most ATP?






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






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






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






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