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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. Animal starch & used for energy storage






2. A single ringed nitrogenous base






3. Where cell aerobic respiration takes place






4. Things that eat the primary consumers & third lowest trophic level






5. Produces oxytocin






6. Very low precipitation






7. Makes up the cytoskeleton






8. Moving into unoccupied niches & causes speciation






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






10. The enzyme that takes out all of the introns & leaving only the exons






11. Where sperm cells are formed by spermatogenesis






12. A gateway in the cell membrane that lets molecules through






13. Holds the cell in place and gives it structure






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






15. Stalk of the stamen






16. Plastic cover of the penis






17. The proportion of a particular genotype in the population






18. The start of a gene






19. A molecule consisting of a clycerol joined to three fatty acids






20. Stimulates the anterior pituitary to make FSH and LH






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






22. A type of natural selection for successful mating






23. Animal starch & used for energy storage






24. Where seminiferous tubules are found & where testosterone is made






25. Same organism makes both gametes & no genetic recombination






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






27. The typical form of carbohydrate used for energy storage in plants






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






29. Flowering plant






30. Male part of the flower






31. The time when no cell division in occurs






32. Separates sperm from the egg






33. Occurs when there is the same concentration in different areas






34. Participates in the process in which amino acids are linked to form polypeptides






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






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






37. More cells






38. Going from areas of low to high concentration & goes against the concentration gradient & requires cell energy






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






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






41. Opening into the uterus






42. Megasporocyte after meiosis






43. 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






44. 'packages' cell products






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






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






47. Holds the ovules






48. When DNA replicates






49. Chromosomes other than sex chromosomes






50. The idea that evolution takes place in relatively short bursts of rapid change followed by long periods of stability







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Can you answer 50 questions in 15 minutes?


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