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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 pigment absorbs energy and can emit an electron in photosynthesis?






2. Info. carrying molecule - single stranded






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






4. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?






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






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






7. What separates during meiosis-II






8. What are the major groups of algae?






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






10. 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.






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






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






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






14. Have a nucleus - and a cell membrane






15. What are beneficial products made from bacteria?






16. What cell undergoes meiosis?






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






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






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






20. What cell undergoes meiosis?






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






22. What BEST describes plant hormones?






23. What type of fruit develops from a cluster of many simple flowers?






24. 'Alleles' are best described as...






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






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






27. Vascular and seed bearing






28. What are harmful effects of bacteria?






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






30. What is the primary function of collenchyma cells?






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






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

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






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






35. How does DNA replication take place?






36. Transfer of DNA to RNA






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






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






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






40. What organelle contains DNA?






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






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






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






44. Info. carrying molecule - single stranded






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






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






47. What is NOT a function of the vacuole?






48. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes






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






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