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






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






3. The veins that blood returns to the heart and lungs through






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






5. Neurons that transmit signals between sensory and motor neurons






6. 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






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






8. Small tube attached to the large intestine






9. A type of cell that has no nucleus and has all the genetic material surrounded by it






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






11. Animals that do not have a shape at all - like sponges






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






13. The center of the chromosome that holds the structure together






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






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






16. A type of amphibian thath as a long body - short legs and flattened tails for swimming






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






18. Also known as the erythrocyte - cells found in blood that carry oxygen to cells






19. Plant - like organisms that don't have roots - stems or leaves - but they have chlrophyll which allows them to do photosynthesis






20. Tiny forms of algae that form the basis of most saltwater food chains






21. A type of reptile with four legs ending in sharped clawed feet and bodies that taper off into tails - like the chameleon






22. The stems at the edge of the flower that contain the male sex cells called pollen






23. Human body system that gets rid of chemical wastes by flushing them out






24. Filters located inside the kidney that help filter urea out of the blood






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






26. Living organism that makes their own food through photosynthesis - including trees - weed - moss






27. Important biological molecule that is part of energy metabolism and storage in plants






28. The process in which plants turn water and carbon dioxide and sunlight into photosynthesis






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






30. The inabiliy to hear sound






31. Cell organelle that breaks down food - cell waste and broken cell parts






32. The spiky part of a sponge's skin that keeps it from being eaten






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






34. Inverterate animals that have two halves that match if you draw a line down the center of their bodies - like butterfly






35. Plants that grow up to live for many seasons and reproduce multiple times






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






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






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






39. The top layer of skin and made up of five layers






40. The male sex organ






41. The sum of an organism's genes






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






43. Organ in the body that controls memory and the body's functions






44. An inner skeleton which offers support and protects the soft parts of an animal






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






46. Glands inside the tongue that produce saliva






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






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






49. Vibrations in the air around you






50. The most common type of algae that produces half of the world's oxygen