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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. Undeveloped plants with stored food in a protective covering






2. Muscle that pumps blood through your body and handles circulation






3. Also known as messenger RNA. It carries out protein recipes from the DNA to the ribosomes






4. Once considered blue - green algae - these single celled bacteria organisms have no cell nucleus






5. The male sex cells of a flower






6. Any place where two or more bones meet






7. Hormone released by the testes that causes voice changes - muscle mass - and facial hair






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






9. The soft inner layer of a tooth that supports the enamel and gives the tooth its shape






10. One of the small bones of the ear and it bounces against the anvil when sound hits the eardrum






11. Organ at the bottom of the body that fills up with the urine transported from the kidneys






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






13. A substance that lubricates the cartilage and allows bones to slide over each other easily






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






15. Invertebrates that have a spiny skin - bone - like plates - water - filled network of veins - and bottom feet






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






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






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






19. 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






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






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






22. The hard outer layer of the tooth






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






24. The way that a reptile reproduces by having the male's sperm inside the female's body






25. Gymnoperm plants that produce male and female cones






26. The largest form of invertebrates that have jointed parts - like claws - legs - and antennae - bilateral symmetry - and segmented bodies






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






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






29. Human body system that helps humans make more humans






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






31. Human body system that breaks down food so that nutrients and water can be used for the body






32. Two rounded glands that hang down and produce the sperm cells






33. Skin chemical that lubricates and waterproofs the skin and hair to make them smooth and supple but can develop acne






34. Small tube attached to the large intestine






35. Cells found in the blood that help make clots when you get a cut






36. Algae that lives in the ocean too and consists mostly of seaweed and kelp






37. The flow of blood within the heart itself






38. Electric signals that neurons carry from one part of the body to another






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






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. A group of mammals with pouches for infants who are not fully developed when they are born






42. Reptiles that live mainly in the tropics - have eyes and nostrils on top of theier heads






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






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






45. Organ underneath the cerebrum that controls emotions






46. The jelly - like fluid that is inside the cell and is a mixture of chemicals and water






47. A protist that uses sunlight to make food - like plankton and algae






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






49. Tunnel the soundwaves from the outer ear travel to






50. The portion of the vocal chords that produce sound