Test your basic knowledge |

Honors Freshman Science

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. The global movement of water between the abiotic environment and organisms






2. Has its own life support for the embryo






3. Focuses on the evolution of social behavior through natural selection






4. Original cell that forms sperm






5. Contains enzymes that help with fertilization






6. The graph of the comparison of trophic levels by determining the number of organisms & the biomass & or the relative energy found at each level






7. Plastic cover of the penis






8. The constricted region in a chromatid






9. When all the water is sucked out of a cell






10. The enzyme that makes RNA and unzips the DNA for transcription






11. Stalk of the stamen






12. Composes the genes and contains the instructions for making all the proteins & as well as the RNA & an organism needs






13. The divergence of two similar species living in the same geographic area






14. The net energy available for biomass production by consumer organisms






15. Connects the ovary to the uterus & where fertilization usually takes place






16. Breaking apart water






17. Plastic cap over the cervix






18. The constituent of a protein & has an amino group (NH2) and a carboxyl group (COOH) bonded to the same alpha carbon






19. The global movement of carbon between the abiotic environment and organisms






20. Interaction among two or more individuals that attempt to use the same essential resource






21. Physically changing from sex when there aren't any of one sex






22. Stable relationships that ensure cooperative behavior in mating and the rearing of the young






23. Checks for errors and takes of RNA primer






24. Reads bases and puts the correct base into it & can only lay down in one direction






25. Collects waste products in a land egg






26. Little 'hairs' around the membrane used for movement






27. A grid that shows the possible combinations of alleles






28. The proportion of a particular phenotype in the population






29. On the side where the 3' carbon is

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30. The strand of DNA that is synthesized smoothly and continuously






31. Stimulates the anterior pituitary to make FSH and LH






32. A transitional zone where two or more communities meets & contains all or most of the ecological niches of the adjacent communities as well as some that are unique to the ecotone






33. The number and types of species present & the relative abundance of each species & the interactions between different species & the resilience to disturbances & energy and nutrient flow & productivity






34. The offspring of two genetically dissimilar parents






35. The graph of the comparison of trophic levels by determining the number of organisms & the biomass & or the relative energy found at each level






36. A combination of natural selection and genetics






37. Morning after pill






38. Plastic cover of the penis






39. All the Earth's communities and their interactions and connections with the planet's abiotic factors






40. Plant growth response that is dependent on the direction of stimulus






41. Fertile soil & all grass






42. Connecting trunk of the pistil






43. A single strand of RNA that folds back on itself to form a specific shape






44. When DNA replicates






45. The strand of DNA that is always growing away from the replication fork & so only short pieces can be synthesized






46. The possession of two or more set of chromosomes






47. Noncoding material






48. Takes less energy and is more efficient than sexual reproduction






49. The cells that don't become eggs in oogenesis






50. The study of how both the number of individuals in a certain species that are found in an area and the dynamics of the population