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CSET Science: Biology

Subjects : cset, science, biology
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. Layer of skin that is beneath the epidermis






2. Fibers of the dermis that gives the skin its structure - elasticity - and strength






3. Pigment that gives skin its color






4. Sacs that produce the body's hair






5. Layer of skin located beneath the epidermis and dermis which is mostly fatty tissue to protect the inner organs






6. A white - fatty substance that axons contain to speed up transmission of impulses






7. The millions of pairs of chemical compounds that make up DNA






8. Also known as transfer RNA - it decodes the recipes/instructions from the messenger RNA to produce certain proteins






9. Groups of cells that live together






10. Glands in the skin that produce sweat






11. Heart chamber that is filled blood from the lungs that has oxygen and is ready to go through the body






12. Version of the nervous system that controls voluntary actions like petting or talking






13. Little spines on an insect that allow it to detect touch and vibration and air currents






14. Two organs in the lower back which the blood travels to get cleansed of urea






15. The smallest amount of living matter that is the unit of structure and function for all organisms






16. Hormones released by the hypothalmus and pituitary gland that regulate puberty and make the ovaries and testes grow






17. Senses that are related to the body - like touch






18. Soft mass at the center of the tooth containing blood vessels and sensitive nerves






19. The most popular form of the invertebrate that is extremely tiny and lives in the soil and can be plant parasites - decomposers - or predators






20. Joint that is used by shoulders and arms. One bone ends in a ball shape that fits into the socket of the other bone






21. Blood vessels found on the alveoli that transport oxygen to the bloodstream






22. Nerve cells that carry messages back and forth from the body






23. A trait in heredity that does not appear as frequently in the offspring






24. Eyes that some insects may have that haveh undreds of lenses that allow an insect to see many things at once






25. Human body system that allows your muscles to move






26. A long tube that connects the mouth to the stomach






27. Phase of mitosis in which the chromosomes are visible and centrioles move to the opposite ends of the cells and threadlike spindle fibers start to spread across






28. The portion of the ear that is seen and has ridges that bounces soundwaves into the middle ear






29. Neuron processes that carry impulses away from the neuron's body






30. Protozoans that move with cillia and have two nuclei - the micro nucleus and the macro nucleus






31. The portion of the vocal chords that produce sound






32. The various organs of a cell that produce food - get rid of waste






33. Vertebrate animals that are warm - blooded with two legs - wings - feathers - and a beak or a bill and lay hardshelled eggs and have hollow bones suitable for flying






34. Bone that supports the entire back and is the reason why one is able to stand up straight






35. Cells owned by plants and animals in which the cell's genetic material is surrounded by a membrane






36. A combination of waater - urea - and salts that you don't need






37. An operation that removes the appendix during appendicitis






38. The body's liquid messenger that takes oxygen and nutrients to the body






39. The command center of the cell and is guided by the DNA contained within






40. Little bones found in the mouth that are responsible for cutting and crushing food






41. Joint that is used to turn one's head






42. Glands inside the tongue that produce saliva






43. Larger and flatter teeth in the back that are used to crush food to mix with saliva to make it easier to swallow






44. Glands in the skin that produce sebum






45. Angiosperms that have one seed leaf inside of their seeds






46. Three layers of connective tissue that protect the spinal chord






47. Human body system that makes sure that germ fighting cells get collected by blood tissue






48. Also known as the ear drum - it vibrates like a real drum when soundwaves enter the ear






49. Neuron processes that receive impulses passed on from other neurons






50. The act of selecting genes carefully that lead to a better yield of good characteristics