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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. Lining of the uterus






2. The study of how living organisms and the physical environment interact in an immense and complcated web of relationships & the broadest field of biology






3. Birth canal






4. A form of active transport that uses energy to pump ions from the outside to the inside of a cell






5. Up or down






6. Connects the testis to the penis






7. Compounds with the same molecular formulas but different structures






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






9. Promotes cell elongation & apical dominance






10. Eggs and sperm combine






11. Aka boreal forest & big evergreen forests & cold most of the year






12. One extreme is bad and the other is good






13. A geographic area that animals seldom leave






14. Plastic cover of the penis






15. A disaccharide made from glucose and galactose & milk sugar






16. Produce estrogen and progesterone






17. The clearance of large expanses of forest for agriculture or other uses






18. A single cell made from the union of two gametes






19. The net energy available for biomass production by consumer organisms






20. 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






21. Physically changing from sex when there aren't any of one sex






22. Takes less energy and is more efficient than sexual reproduction






23. The graph of the number of surviving individuals against age (birth to maximum age)






24. Proposes that simple prokaryotic organisms began living in symbiotic relationships that eventually became obligatory (necessary) as one cell engulfed the other






25. Breaking apart water






26. Where protein synthesis takes place






27. The enzyme that links the Okazaki fragments






28. Connecting trunk of the pistil






29. Competition within a given population






30. The cells that don't become eggs in oogenesis






31. High to low concentration






32. The layer that surrounds the cell and holds everything in






33. States that species richness is greatest at moderate levels of disturbance & so all the different species are at different stages in succession






34. Birth canal






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






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






37. The local environment where a species lives






38. The site of photosynthesis






39. The layer that surrounds the cell and holds everything in






40. A group consisting of members of the same species that live together in a prescribed area at the same time






41. Competition within a given population






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






43. The evolutionary diversification of many related species from one or more ancestral species in a relatively short period






44. The amount of energy that remains in plant tissues after cellular respiration & the amount of biomass found in excess of that broken down by a plant's cellular respiration for normal daily activities






45. The movement of alleles






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






47. One dominant and one recessive






48. The number of species in a community






49. Growth response to gravity & positive in stem & negative in roots






50. A group consisting of members of the same species that live together in a prescribed area at the same time






Can you answer 50 questions in 15 minutes?



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