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






2. Protozoas that live in host organisms without providing any benefits






3. The idea that the earliest forms of living organsims were made out of RNA and not DNA. Life forms based on RNA evolved to the life forms that we see today






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






5. Prozotoans that live in host organisms and help the host






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






7. A type of symmetry that certain invertebrate animals have in which body parts are arranged in a circle around a central point - like the starfish






8. Single celled creatures that are too small to see and have a nucleus and live in moist or wet surroundings






9. Photoreceptive nerve cells that are sensitive to light and can be triggered by a single photon






10. Heart chamber that brings blood back into the heart






11. The larger organ that follows the small intestine in digestion which absorbs water from the remaining chyme






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






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






14. Other muscles that one cannot personally control - like the heart and digestive system






15. The tube that is connected to the outside world






16. Cell organelle that stores water - waste products and food until needed






17. Human body system that helps humans make more humans






18. Human body system that allows your muscles to move






19. A type of reptile that has no limbs






20. A condition in which the appendix gets inflamed and can be painful






21. Groups of cells that live together






22. Organs inside birds that ensure that their lungs constantly get fresh air






23. Pointed teeth that help tear the food apart






24. Circular muscles that keep urine from leaking out of the bladder opening






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






26. The small sections of DNA inherited by one's parents that determine certain heriditary features - like eye color






27. Also known as agnathans - these are fish without jaws so they have a round sucker mouth with teeth along the inside - like the lamprey






28. A transport tissue found in plants that water travels from the roots to the leaves through...also known as wood






29. Creatures found sucking nutrients from dead animals and plants by breaking down their remains






30. The way that a polyp - a cnidarian - reproduces asexually by growing a small version of the plant called a bud that evenetually becomes its own organism






31. Thick and dark hair that is usually head hair and also found on legs - armpits and pubic areaa






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






33. The central part of a flower that contains its female sex organs






34. Deoxyribonucleic acid - which is considered as a computer program for the body. located in the nucleus






35. Segmented worms - like earthworms - and are made up of ringed segments






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






37. The tough - elastic skin of a sponge






38. A peach fuzz that is light in color and no larger than 2 cm found on the underside of the arms in the body






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






40. A protein that binds with molecules - called the antigen - that is found on the invading germ. the protein signals white blood cells to kill the invading germ






41. Helps scientists predict heredity from cross - breeding






42. Muscles tha allow you to move different parts of the body






43. Sacs that produce the body's hair






44. Cell organelle that packs up protein ready to be sent out to the body






45. Photoreceptive nerve cells that are less light sensitive and can detect color






46. Sense of touch that allows one to feel where they are in space






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






48. A protozoan that has a pseudopod to move around with and to eat with.






49. A protein that an insect's exoskeleton is made out of






50. Porrtion of the spinal chord that reflects impulses to and from the brain