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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. Algae that has chlorophyll - but also has a red pigment which helps them absorb sunlight from deep underwater






2. 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






3. A type of vertebrate whose body temperature changes with its surroundings - like reptiles






4. Portion of the ear that is connected to nerve fibers that carry signals to the brain






5. Organ that digests food with enzyme and other digestive juices like hydrochloric acid






6. The inabiliy to hear sound






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






8. The act of selecting genes carefully that lead to a better yield of good characteristics






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






10. Nerve receptors in the skin that sense pressure and vibration






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






12. A protein on red blood cells that attach oxygen to it






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






14. Inward hairs located inside a plant guide bugs to its stomach in a carnivorous plant






15. The portion of the ear that is seen and has ridges that bounces soundwaves into the middle ear






16. A language involving hands that is used by deaf people






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






18. The tube that is connected to the outside world






19. Phylum class for animals that have spinal chords






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






21. Thick muscular folds that protect the true vocal chords






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






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






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






25. Organ beneath the papillae of a tongue that enables one to taste things






26. Part of the brain that monitors and controls all the automatic functions that keep people alive






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






28. The physical breaking apart of food






29. Neuron processes that receive impulses passed on from other neurons






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






31. Tiny sacs found in the lungs that oxygen gets stored in






32. Animals that do not have a backbone - like butterflies - sand dollars - and starfish






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






34. The first part of the small intestine where digestive enzymes from liver and pancreas break up chyme into a soup of molecules small enough to enter the bloodstream






35. The largest part of the brain that is divided into two halves called hemipsheres and controls thoughts






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






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






38. Soft - bodied invertebrates that have a protective shell and muscular foot that allows them to move around and anchor themselves






39. Temporary extensions of cytoplasm on a protozoan that they use to move






40. Disease that occurs when the pancreas can't produce enough insulin to control blood sugar






41. Animals with backbones or spinal columns - includes fish - mammals - amphibians - reptiles - birds






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






43. The portion of the vocal chords that produce sound






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






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






46. The flow of blood within the heart itself






47. A trait in heredity that appears more frequently in the offspring






48. The four pairs of chemical compounds that connect together in DNA






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






50. Mixture of sperm and fluids