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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. Special layer of tissue found in the back of the eye covered with photoreceptive nerve cells






2. The outermost part of the eye that collects all light that is bouncing off the objects and focuses it into a small hole






3. Enzyme found in spit that breaks down carbohydrates






4. Biological chemicals responsible for regulating mood - organ function - growth - and metabolism






5. Human body system that helps humans make more humans






6. The brain's switchboard which passes information from the body to the correct part of the brain






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






8. Little ring - shaped bones that make up the spine






9. Glands in women and men that produce the sex cells for reproduction






10. Helps scientists predict heredity from cross - breeding






11. An organ that reptiles have inside of the roof of their mouth to taste and smell

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12. A group of mammals whose children develop in the placenta - a sac - like organ filled with fluid that nourishes the growing embryo






13. Heart chamber that pumps the blood out of the heart






14. Plants that only live for a few seasons and reproduce only once - including flower box flowers and crop plants






15. Mixture of sperm and fluids






16. A thick hard layer of bone that is below the periosteum






17. Located in the stomach - it burns the bacteria off the food you eat






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






19. When chemicals called enzymes break food up into molecules that can be absorbed






20. Human body system that contains hormonal glands that control growth and reproduction






21. Meat - eating






22. The outermost layer of hair and is sort of a protective outer layer






23. Little hairs that protoists use to move through the water






24. Something that has lost almost all of its use through evolution






25. The points on the tentacles of a cnidarian that is used to stun prey






26. Multi - celled organisms that eat food to survive






27. Holes caused by plaque buildup that expose the sensitive portion of the tooth






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






29. Little glands located in the abdomen of a spider to make silk for spider webs






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






31. Complex molecules that cells use for all different types of jobs






32. Nerve cells that are sensitive to light and found in the eyes






33. A carnivorous plant with sticky beads that attract insects and then sucks the nutrients out of their decaying bodies






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






35. The passing of traits from parents to offspring






36. The black spot that we all have in the center of our eyes






37. Gland that secretes the hormone melatonin - which is important for the sleep cycle - metabolism - and sexual development






38. A protozoa that cannot move on its own and depends on living bodies for transport






39. Fish that have skeletons made out of cartiledge - like sharks - scales and rays






40. A soft layer of bone that is below the compact bone






41. The far - back molars that take forever to come out






42. A type of invertebrate that has a long flat body and bilateral symmetry. Most are parasites and live off of other organisms






43. A neuron cell's body






44. An animal that does not move around - but is not dead






45. The pair of pinchers that are part of an arachnid's cephalothorax for grabbing things and deducting smells and vibrations






46. The tiny nerve endings at the bottom of the skin






47. The redness of the sea caused by the overpopulation of dinoflagellates






48. Poison from the bloodstream






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






50. A type of amphibian that is a long - worm like creature