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. Decompose all trophic levels






2. The time between mitosis and the S phase & when the cell grows and performs its function






3. Initial fertilized cell






4. The offspring of two genetically dissimilar parents






5. The use of cues to change direction when necessary to reach a specific destination






6. A piece of DNA made on the lagging strand






7. A plant structural compound






8. Gives live birth






9. Used for long term energy storage & cell membranes & padding and insulation & and steroids & soluble in nonpolar solvents and relatively insoluble in water






10. On the side where the 3' carbon is

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






12. Coccus prokaryotic cells






13. Reproductive isolation due to structural differences






14. The major carrier of genetic information in eukaryotes & found in the cell nucleus






15. Warm & lots of rain & highest level of diversity and production






16. An economical form of reserve fuel storage which yields over two times more energy than carbs when metabolized






17. The arrival of the chromosomes at the poles and cytokinesis






18. Any process that leads to new gene combinations






19. Any environmental factor that affects the size of a population but isn't influences by changes in population density & usually abiotic factors






20. A mating system in which a male mates with only one female during a breeding season






21. Partner chromosomes similar in size & shape & and the position of their centromeres (XX)






22. A long whip-like tail used for movement






23. Plastic cap over the cervix






24. A protein channel that lets things in and out of the cell






25. A nucleic acid polymer consisting of nucleotide subunits that can associate by complementary base paining with the single-strand DNA template






26. A membrane where some things can go through & and others can't






27. A plant structural compound






28. When a molecule attaches to the channel and the carrier 'somersaults' to the other side and releases the molecule & then returns to its original side






29. Required for making a boy a boy and sexual growth






30. The change in species composition over time in a habitat that was not previously inhabited by organisms (no soil)






31. The arrival of the chromosomes at the poles and cytokinesis






32. 'Water fearing' & repels water






33. Pressure the cell membrane exerts on the cell wall when the water vacuole is filled






34. 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






35. States that species richness is greatest at moderate levels of disturbance & so all the different species are at different stages in succession






36. The change in allelic frequencies of two or more populations over time & the interdependent evolution of two or more interacting species






37. A species that affects the community because it is very common






38. What something does and how it does it






39. The process of gaining knowledge & including thinking & processing information & learning & reasoning & and awareness of thoughts & perceptions and self






40. The science that deals with human population statistics






41. When a molecule attaches to the channel and the carrier 'somersaults' to the other side and releases the molecule & then returns to its original side






42. Participates in the process in which amino acids are linked to form polypeptides






43. A nucleic acid polymer consisting of nucleotide subunits that can associate by complementary base paining with the single-strand DNA template






44. Making more DNA






45. Regulates the ecosystem function by nutrient cycling and by availability of other resources






46. Unzips the DNA strand






47. Active at nigh






48. A symbiotic relationship in which one species benefits and the other is unharmed






49. When a cell controls how fast it wants to take things in






50. More cells