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. Cells are the basic unit of living organisms and all cells come from pre-existing cells






2. The local environment where a species lives






3. On the side where the 3' carbon is


4. When one individual behaves in a way that seem to benefit others rather than itself






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






6. Chemical messenger






7. Associates strongly with polar water molecules






8. Any process that leads to new gene combinations






9. Going from areas of high concentration to low concentration & going with the concentration gradient






10. The ability of a community to withstand disturbances






11. Competition among population of different species






12. The start of a gene






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






14. A type of social learning based on early experience which allows offspring to bond to their mother






15. When females select their mates on the basis of some physical trait or some resource offered by the winning suitor






16. 'packages' cell products






17. Covalently linking monomers






18. When a population's allele and genotype frequencies don't change from generation to generation






19. Towards the stimulus






20. Aka chaparral & mixed scrub community with lower rainfall than in a deciduous forest






21. Energy level






22. A type of natural selection for successful mating






23. A tool of ecological management in which the undergrowth and plant litter are deliberately burned under controlled condition before they accumulate to dangerous levels






24. 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






25. The site of photosynthesis






26. Exactly the same as mitosis without any DNA replication






27. The beta pleated sheet or alpha helix






28. Stimulates the anterior pituitary to make FSH and LH






29. Species that are all undesirable resemble each other






30. Both individuals have male and female parts but don't self fertilize






31. Eggs formed and held in the mother & eggs hatch and the offspring leaves the mother






32. Species that are all undesirable resemble each other






33. Top of the stamen & where pollen is produced






34. The pressure necessary to keep the water from moving in a you-tube






35. Lays eggs






36. Contains enzymes that help with fertilization






37. The change in species composition produced at ecotones






38. Megaspore after mitosis






39. TATA






40. Both extremes are better than average






41. Leaves right around the base of the flower that contains the flower






42. A system of tubes and tubules used for internal storage and transport of proteins






43. The concentration is equal in both areas






44. A type of natural selection for successful mating






45. The young have a high probability of surviving & which the old have a much lower probability






46. The clearance of large expanses of forest for agriculture or other uses






47. Stimulates the interstitial cells to secrete testosterone in males & stimulates ovulation and the development of the corpus luteum in females






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






49. Where chromosomes are attached to spindle fibers






50. Associates strongly with polar water molecules