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






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






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






4. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?






5. Vascular and seed bearing






6. 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.






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






8. What organelle contains DNA?






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






10. What type of RNA has an anticodon?






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






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






13. What are beneficial products made from bacteria?






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






15. What organelle contains DNA?






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






17. What is considered part of the protoplast?






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






19. What is a final product of aerobic respiration?






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






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






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






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






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






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






26. What is considered part of the protoplast?






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






28. What type of RNA has an anticodon?






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






30. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?






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






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






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






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






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






36. What are harmful effects of bacteria?






37. What separates during meiosis-II






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






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






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






41. Transfer of DNA to RNA






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






43. Info. carrying molecule - single stranded






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






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






46. Cladifils- modified stems that look like leaves - all parts are photosynthetic

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






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






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






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