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. Oscillation between two things that affect the population & keeps the population in check






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






3. The typical form of carbohydrate used for energy storage in plants






4. Proposes that simple prokaryotic organisms began living in symbiotic relationships that eventually became obligatory (necessary) as one cell engulfed the other






5. When most are average and extremes are better






6. Plastic cap over the cervix






7. A form of active transport that uses energy to pump ions from the outside to the inside of a cell






8. Morning after pill






9. The global movement of phosphorus between the abiotic environment and organisms






10. Species interacting in a positive way & Which modifies and enhances the local environment for other species






11. Lays eggs






12. A piece of DNA that codes for a specific trait






13. Different traits are passed on separately and independently from one another






14. Male part of the flower






15. Causes rapid cell division






16. On the side where the 3' carbon is

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17. When a population is regulated by its environment's limits & grows until it levels out just below the carrying capacity and then oscillates






18. The assignments of codons for amino acids and for start and stop signals






19. The proportion of a particular phenotype in the population






20. On the side where the 5' carbon is

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21. Secretes hormones that keep uterine lining thick in the event of fertilization & what the follicle turns into after fertilization






22. A plant structural compound






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






24. A type of natural selection for successful mating






25. A double ringed nitrogenous base






26. A cooperative view of the community that stresses interactions between different species






27. The concentration of water is higher than in the other area






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






29. Where ribosomes are made & in the nucleus






30. Breaking apart water






31. Where seminiferous tubules are found & where testosterone is made






32. Can't make its own food






33. Busiest at dawn or dusk






34. A macromolecule composed of amino acids






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






36. A lipid that consists of a clycerol molecule attached at one end to two fatty acids & and at the other end to a phosphate group linked to an organic compound






37. Chemical messenger






38. Energy level






39. Have traits that contribute to a high population growth rate & usually small & reach maturity early & have short life span & have lots of offspring & provide little to no parental care






40. The change in species composition produced at ecotones






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






42. A piece of DNA that codes for a specific trait






43. Going from areas of low to high concentration & goes against the concentration gradient & requires cell energy






44. A long whip-like tail used for movement






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






46. The time when no cell division in occurs






47. An environmental factor whose ways of affecting a population are altered when there is a change in population density






48. Provides food for the developing embryo in a land egg






49. The sequence of nucleotides in one chain dictates the complementary sequence of nucleotides in the other






50. One dominant and one recessive