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






2. Energy level






3. The information from the mRNA being used to form a protein






4. An organic compound consisting of only carbon and hydrogen






5. Connects the testis to the penis






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






7. The probability of mortality is highest at a young age & the survival probability increases with age






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






9. A group of the populations of all the different species in an area






10. Emphasizes species individuality & shows how each species has its own abiotic living requirements






11. Contain identical & double stranded DNA sequences (><)






12. The cycle that goes from oen organism to another in food chains and from living organisms to the abiotic environment and back






13. Produces proteins






14. The accelerating population growth rate that occurs when optimal conditions allow a constant per capita growth rate






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






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






17. Connecting trunk of the pistil






18. A disaccharide made from glucose and fructose & table sugar






19. A graph that illustrates the total biomass at each successive trophic level






20. The graph of the number of surviving individuals against age (birth to maximum age)






21. The cycle that goes from oen organism to another in food chains and from living organisms to the abiotic environment and back






22. A piece of DNA made on the lagging strand






23. The proportion of a particular phenotype in the population






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






25. Causes rapid cell division






26. Has its own life support for the embryo






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






28. Produces gonatotropin releasing hormone (GnRH)






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






30. The person that said that the human population would quickly outgrow the natural resources and that it would cause war






31. Where chromosomes are attached to spindle fibers






32. Can make its own food






33. Aka contest competition & certain dominant individuals get a good supply of the limited resources while the other less dominant organisms in the population don't






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






35. The study of how living organisms and the physical environment interact in an immense and complcated web of relationships & the broadest field of biology






36. Energy level






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






38. Moving a solid molecule into a cell






39. A link formed when two amino acids combine






40. Competition within a given population






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






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






43. Contains two monosaccharide rings joined by a ether link






44. Going up and down around a set point






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






46. The concentration is equal in both areas






47. When DNA replicates






48. A parasite that lives on the outside of the host






49. Species that are all undesirable resemble each other






50. The possession of two or more set of chromosomes