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. Where ribosomes are made & in the nucleus






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






3. Connects the baby to the placenta






4. Moving into unoccupied niches & causes speciation






5. The enzyme that controls the cell cycle & is destroyed during mitosis






6. A group of atoms that determines the types of chemical reactions and associations in which the compound participates






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






8. The time inbetween meiosis 1 and 2






9. A section of three nitrogenous bases






10. When a cell or nucleus has only a single set of chromosomes






11. A system of tubes and tubules used for internal storage and transport of proteins






12. Away from the stimulus






13. The interactions of tertiary structures






14. Reproductive isolation due to structural differences






15. Destoy the ozone layer






16. 'Water fearing' & repels water






17. A stack of thylakoids






18. Produces testosterone






19. The ability of a community to withstand disturbances






20. Species interacting in a positive way & Which modifies and enhances the local environment for other species






21. The change in species composition produced at ecotones






22. Eggs formed and held in the mother & eggs hatch and the offspring leaves the mother






23. The average per capita death rate






24. Produces semen (1)






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






26. An organic compound with 3-7 carbons with a hydroxyl (OH) group bonded to each but one & which is double bonded to an oxygen






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






28. Defense of a territory






29. The study of changes in a population (how and why the population numbers increase and decrease)






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






31. Where ribosomes are made & in the nucleus






32. Zygote after it has undergone mitosis and grown






33. LH-like hormone produced by the placenta that maintains the corpus luteum






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






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






36. Exactly the same as mitosis






37. The offspring of two genetically dissimilar parents






38. The empty space in the ER tubes






39. A type of natural selection for successful mating






40. Contains enzymes that help with fertilization






41. Active at nigh






42. 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






43. Promotes cell elongation & apical dominance






44. Has cones






45. Makes up the cytoskeleton






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






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






48. The passage of energy in a one-way direction through an ecosystem






49. The proportion of a particular genotype in the population






50. A lipid that consists of a clycerol molecule attached at one end to two fatty acids & and at the other end to a phosphate group linked to an organic compound