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. Reproductive isolation due to different habitats in the same area






2. A grid that shows the possible combinations of alleles






3. Contains multiple monosacharides bonded together & consists of repeating units of simple sugars






4. Cutting of vas deferens






5. The production of gametes






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






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






8. Used for reproductive purposes and peeing






9. More cells






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






11. Ascribing human feelings to animals






12. An evolutionary modification that improves the chances of survival and reproductive success in a given environment






13. The number and proportion of people at each age in a population






14. A type of learning in which an animal learns to ignore a repeated & irrelevant stimulus






15. A sequence of three bases that hydrogen bond with the mRNA codon by complementary base pairing






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






17. All life forms must come from pre-existing life (correct idea)






18. The interaction of two or more animals & usually of the same species






19. Energy from food passing from one organism to the next in a sequence






20. Towards the stimulus






21. Breaking apart water






22. The enzyme that takes out all of the introns & leaving only the exons






23. Growth response to physical disturbance & positive or negative






24. Reproductive successfulness






25. Changes within a species that occur in relatively short periods of time that are the result of changes in the genetic composition of populations






26. The start of a gene






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






28. The mating of genetically similar individuals that are more closely related than if they had been chosen at random from the entire population






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






30. The role of an organism within the structure and function of a community & takes into account all biotic and abiotic aspects of the species & as well as all the physical & chemical & and biological factors that it needs to survive & its habitat & wha






31. Species that show repetitive reproductive cycles






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






33. A type of natural selection for successful mating






34. The empty space in the ER tubes






35. Grow and divide asexual reproduction






36. Larger cells






37. Rod shaped prokaryotic cells






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






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






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






41. Triggers mitosis when it binds with cyclins at high enough concentrations & survives mitosis






42. A compound present on the outer surface of cells that aren't bacteria






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






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






45. The local environment where a species lives






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






47. The nuclear division that produces two nuclei containing chronosomes identical to those in the parental nucleus






48. On the side where the 5' carbon is

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49. A process carried out to ensure that the male is actually male and a member of the same species






50. The formation of an association between some normal body function and a new stimulus