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






2. Sticky part of the pistil that pollen sticks to






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






4. Spacing






5. All of the contents of the cell inside the membrane






6. Compounds with the same molecular formulas but different structures






7. Fertile soil & all grass






8. A main component of cell walls of fungi and of the external skeletons of insects & crayfish & and other arthropods






9. Breaking apart water






10. Stimulates the growth of sex organs at puberty and the development of secondary sex characteristics & induces maturation & stimulates monthly preparation of endometrium for pregnancy & makes cervical mucus thinner and more alkaline






11. Can make its own food






12. Fused compound of the polar nuclei and the sperm cells that isn't used






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






14. A long & unbranched hydrocarbon chain with a carboxyl group (COOH) at one end






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






16. Provides genetic variation through recombination






17. A compound in which carbon atoms are covalently bonded to one another to form the backbone of the molecule






18. Kills sperm






19. One extreme is bad and the other is good






20. Original cell that forms sperm






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






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






23. Changes that take place over very long periods of time that may result in speciation






24. Fluid filled sac where the primary oocyte divides to form the secondary oocyte and the polar body






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






26. Camouflage






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






28. Figured out that the hormone that made plants bend was on the opposite side from the light






29. The enzyme that links the Okazaki fragments






30. A double ringed nitrogenous base






31. Plastic cap over the cervix






32. Sex cell






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






34. A species that is crucial in determining the nature of the entire community and that greatly affects the rest of the community & keeps the who ecosystem in balance






35. Moving molecules into a cell






36. When the sister chomatids separate and the chromosomes move to opposite poles






37. More cells






38. An important part of the structure of ribosomes that has catalytic functions needed during protein synthesis






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






40. Energy level






41. Ascribing human feelings to animals






42. Chromosomes other than sex chromosomes






43. When the heterozygote has a phenotype intermediate between those of its two parents






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






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






46. Speciation that occurs when a new species evolves within the same geographic region as the parental species






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






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






49. A chain produced by likening small organic compounds called monomers






50. Destoy the ozone layer