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. Reproductive isolation due to molecular and chemical differences






2. More cells






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






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






5. Species that show repetitive reproductive cycles






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






7. The potential ecological niche of a species






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






9. CAT






10. Separates sperm from the egg






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






12. All the alleles present in the population






13. A channel that takes things from one side of the phospholipid bilayer to the other by having a protein attach to the channel which changes its shape and moves the stuff to the other side






14. A symbiotic relationship in which both partners benefit






15. Implanted in the uterus & probably stimulates inflammatory response and prevents implantation






16. The end of a lineage






17. A scientific discipline with ties to evology that focuses on how humans interact with the environment






18. A gene carried on the Y chromosome






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






20. How the molecule folds on itself due to the functional group interactions






21. When DNA replicates






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






23. Involves mitosis and cytokinesis






24. The global movement of phosphorus between the abiotic environment and organisms






25. Completes the preparation of the endometrium for pregnancy






26. The global movement of nitrogen between the abiotic environment and organisms






27. A type of natural selection for successful mating






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






29. The possession of two or more set of chromosomes






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






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






32. Inhibits ovulation & affects the endometrium and cervical mucus to prevent implantation & regulates the menstrual cycle






33. When a population is regulated by its environment's limits & grows until it levels out just below the carrying capacity and then oscillates






34. Microsporocyte after meiosis






35. When the sister chomatids separate and the chromosomes move to opposite poles






36. The measure of the relative importance of each species within a community & based on its abundance & productivity & or size






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






38. 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






39. Rod shaped prokaryotic cells






40. The global movement of nitrogen between the abiotic environment and organisms






41. The science that deals with human population statistics






42. Moving molecules into a cell






43. Focuses on the evolution of social behavior through natural selection






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






45. Sticky part of the pistil that pollen sticks to






46. Species that show repetitive reproductive cycles






47. Cut down trees and then burn them & pollutes the air & 'kills' the soil






48. A type of natural selection for successful mating






49. The rate at which energy is captured during photosynthesis






50. A combination of glycolipids and glycoproteins which is found on the outside of a cell and allows for cell-cell recognition