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 double ringed nitrogenous base






2. Cells don't produce new cytoplasm to make the cell bigger & they produce an excess of protons which soften the cell walls so that the water vacuole fills up and makes the cell bigger






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






4. Fluid filled chamber that surrounds and protects the developing embryo in a land egg






5. When the cell prepares itself for division






6. Each gene is present in two copies & when gametes are formed each gamete gets only one of the two factors






7. Forms the initial seed leaves (not actual leaves) & a side of the seed






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






9. The production of gametes






10. Involves persistent changes in behavior that result from experience






11. Larger cells






12. The potential ecological niche of a species






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






14. Sex cell






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






16. Original cell that forms sperm






17. Stores water in plants






18. Any environmental factor that affects the size of a population but isn't influences by changes in population density & usually abiotic factors






19. High to low concentration






20. Grasses and scattered trees & less precipitation than in grasslands






21. The start of a gene






22. A parasite that lives inside the host






23. Quantitative estimate of the total mass & the amount of living material






24. When a cell or nucleus contains two sets of chromosomes






25. A geographic area that animals seldom leave






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






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






28. Megaspore after mitosis






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






30. Halfway between saturated and unsaturated






31. Reproductive isolation due to molecular and chemical differences






32. The division of the cell cytoplasm to form two cells






33. The division of the cell cytoplasm to form two cells






34. The potential ecological niche of a species






35. The proportion of a particular phenotype in the population






36. A mutation in which the entire reading chain is shifted & changed everything after an addition or delection






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






38. On the side where the 3' carbon is

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39. The constituent of a protein & has an amino group (NH2) and a carboxyl group (COOH) bonded to the same alpha carbon






40. Response of any plant to the amount of light it receives






41. The increase in the concentration as the toxin passes through successive levels of the food web






42. Involves mitosis and cytokinesis






43. A phospholipid bilayer in which the layers are oriented towards each other and there are proteins on the outside of and in between the layers






44. Ascribing human feelings to animals






45. 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






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






47. Have trains that maximize the chance of surviving in an environment where the number of individuals is the carrying capacity & have few offspring & are larger & have long life spans & develop slowly & reproduce late & have low reproductive rates & pr






48. When natural selection favors individuals of each species that avoid or reduce among coexisting species as a result of each species' niche differing from the others in one or more ways & reducing competition






49. Aka scramble competition & all the members of the population have a generally equal amount of the resources






50. Controls the growth and development in animals