Test your basic knowledge |

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. The way that hormone production is regulated by the cells producing chemicals that stop certain hormones from being released






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






3. One of the small bones in the ear that creates vibrations in the inner ear from the hammer and anvil






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






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






6. Fish that have skeletons made out of bone






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






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






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






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






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






12. Openings found on leaves that absorb carbon dioxide from the air






13. A special kind of skin with hair in it located in your nose






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






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






16. Human body system made up of bones that hold the body up and protect the vital organs of the system






17. The end of the large intestine where solid waste leaves the body






18. A substance found in red algae that is put in pudding and toothpaste to make them smooth






19. The tissue inside the bones that blood is made in






20. Also known as ribosonal RNA and is located inside the ribosomes






21. Chemicals that help carry an impulse from one neuron to another






22. Body part of a fish used for protection






23. Vertebrate - back - bone bearing animals - like frogs - salamanders and newts. Born in the water - live on land and breed in the water. They are also cold - blooded






24. Algae with a special type of flagellate that allows them to spin in circles






25. Cells found inside leaves that are important for photosynthesis and contain chloroplasts






26. Hormone released by the pituitary gland that stimulates cell division - causing growth






27. Neurons transmit signals from your central nervous system to your muscles - telling them to move






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






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






30. The way that eukaryotic cells divide to help cause growth. The nucleus of one cell divides into two identical nuclei






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






32. The lead organ of the endocrine system because it decodes messages from the brain to the other glands






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






34. A cup shaped growth with liquid inside that is found in carivorous plants - like the pitcher plant






35. The male sex organ






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






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






38. Meat - eating






39. Organ behind the eye's pupil that foucses light back onto the eyeball






40. Liquid produced by salivary glands that helps break down chemicals and determine taste by traveling back to the tastebuds






41. The flow of blood within the heart itself






42. Cell organelle that moves waste - food and water inside a cell






43. 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






44. The tiny threads that fungi attach to their food with






45. Animals that have hair - breathe air - and nurse their young






46. The long strands that DNA comes in. Two DNA molecules held together by a central structure






47. Also known as bicuspids - they are the teeth used for crushing and chewing






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






49. An extension of the brain that determines smells based on the scents picked up by the cilia in the olfactory membrane






50. Pigment that gives skin its color