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. Produces oxytocin






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






3. The end of a gene






4. The start of a gene






5. Daily & 24 hour cycles of activity






6. A form of natural selection that increases inclusive fitness through the breeding success of close relatives






7. On the side where the 5' carbon is

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8. The division of the cell cytoplasm to form two cells






9. A stable and persistent community & is impossible to achieve because of disturbances






10. An abrupt decline from high to low population density






11. When individuals are evenly spaced & occurs because of territoriality or competition for resources or space






12. Lateral






13. Fluid filled chamber that surrounds and protects the developing embryo in a land egg






14. The evolutionary diversification of many related species from one or more ancestral species in a relatively short period






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






16. Produces semen (2)






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






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






19. Moving into unoccupied niches & causes speciation






20. Choosing certain trains and breeding only individuals that axhibited the desired traits






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






22. Produces eggs






23. A molecule consisting of a clycerol joined to three fatty acids






24. Aka temperate deciduous forest & broadleaf trees






25. Moving molecules into a cell






26. The buildup of a toxin in an organism's body






27. Produces testosterone






28. A gateway in the cell membrane that lets molecules through






29. An abrupt decline from high to low population density






30. Going through protein channels with the concentration gradient






31. A symbiotic relationship in which the parasite benefits which the host is harmed






32. A single cell made from the union of two gametes






33. A parasite that lives inside the host






34. A parasite that lives inside the host






35. Can't make its own food






36. Reproductive isolation due to different mating times






37. Occurs when there is the same concentration in different areas






38. Grow and divide asexual reproduction






39. The average per capita birth rate






40. Reproductive isolation due to different mating signals






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






42. Lays eggs






43. A combination of glycolipids and glycoproteins which is found on the outside of a cell and allows for cell-cell recognition






44. Produces gonatotropin releasing hormone (GnRH)






45. Where DNA is held & the control center of the cell






46. Collects waste products in a land egg






47. The increase in the concentration as the toxin passes through successive levels of the food web






48. When two parts of sister chromatids exchange corresponding parts






49. The concentration of water is lower than in the other area






50. Going up and down around a set point