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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. Have a nucleus - and a cell membrane






2. What causes diffusion of gases to occur?






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






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






5. What are beneficial products made from bacteria?






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






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






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






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






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






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






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






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






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






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






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






17. What cell undergoes meiosis?






18. What is NOT a function of the vacuole?






19. What are the major groups of algae?






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






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






22. What type of RNA has a codon?






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






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






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

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26. What is considered part of the protoplast?






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






28. 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.






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






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






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






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






33. Info. carrying molecule - single stranded






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






35. NO vascular tissue - NO roots - have modified photosynthetic tissue to help it absorb carbon dioxide without losing too much water - can survive in variety of environments - seedless - and commonly seen as mosses - hornworts - and liverworts.






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






37. In what portion of a root might you find 'root hairs'?






38. What contains the most potential energy?






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






40. What process involves the movement of water across a semi-permeable membrane?






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






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






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






44. What type of RNA has an anticodon?






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






46. 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






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






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






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






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







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Can you answer 50 questions in 15 minutes?


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