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






2. Epiphytes - valemine breaks down compost in roots






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






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






5. What are homologous chromosomes?






6. What are beneficial products made from bacteria?






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






8. Three generations of gymnosperms






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






10. What separates during meiosis-II






11. Bugs crawl into 'pitchers' - tiny hairs keep them from getting out - plant breaks down enzymes - and uses nitrogen. lives in places where nitrogen is limited.






12. What organelle contains DNA?






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






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






15. 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






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






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






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






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






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






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






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






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






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






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






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






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






28. What BEST describes plant hormones?






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






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






31. Info. carrying molecule - single stranded






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






33. How does DNA replication take place?






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






35. What organelle contains DNA?






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






37. How do bacteria reproduce?






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






39. What are homologous chromosomes?






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






41. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes






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






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






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






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






46. What causes diffusion of gases to occur?






47. What is considered part of the protoplast?






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






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






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