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. Any process that leads to new gene combinations






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






3. Ascribing human feelings to animals






4. A simple signal that triggers a specific behavioral response






5. Warning coloration & conspicuous colors of patters which advertise a species' unpalatibility to potential predators






6. Reproductive isolation due to different habitats in the same area






7. 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






8. Completes the preparation of the endometrium for pregnancy






9. Moving molecules into a cell






10. A vacuole filled with digestive enzymes






11. High to low concentration






12. Coccus prokaryotic cells






13. A plant structural compound






14. The change in species composition produced at ecotones






15. Connecting trunk of the pistil






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






17. When water moves into a cell and keeps going in until the membrane bursts






18. Little 'hairs' around the membrane used for movement






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






20. Promotes cell eleongation & cell division & and seed growth






21. Changes in the shape of a protein and the accompanying loss of its biological activity






22. A graph that indicates the energy content of the biomass of each trophic level






23. A common type of gene interaction in which the presence of certain alleles can prevent or mask the expression of a different allele and express their own phenotype instead






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






25. Separates sperm from the egg






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






27. Very low precipitation






28. The strand of DNA that is always growing away from the replication fork & so only short pieces can be synthesized






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






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






31. When individuals of the same sex actively compete for mates






32. 'packages' cell products






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






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






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






36. Competition among population of different species






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






38. On the side where the 5' carbon is

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






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






41. One dominant and one recessive






42. Can't make its own food






43. The science that deals with human population statistics






44. Connects the testis to the penis






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






46. A mutation in which the wrong base it transcribed






47. Abstinence during ovulation period






48. Produces eggs






49. Occurs when the environment is worsening from too many people






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