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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. The body of an arachnid that contains most of their organs






2. Gland that helps the body fight off infections by producing T- cells that identify and kill germs in the blood






3. A thick hard layer of bone that is below the periosteum






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






5. A sac of gas inside a bony fish used to control their depth by either inflating or sinking






6. Located in the nose - it is a substance that prevents pathogens from getting into the bloodstream






7. The cell organelle that breaks down food and releases energy






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






9. Phylum class for animals that have spinal chords






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






11. Pigment that gives skin its color






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






13. The front teeth that bite and chop off pieces of food to fit in your mouth






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






15. The pair of fangs that are part of an arachnid's cephalothorax an contain venom to kill their enemies






16. Plant cell organelles that trap light energy and enable plants to conduct photosynthesis






17. Helps scientists predict heredity from cross - breeding






18. Hormone released by the ovaries that cauess breast development - body shape changes - and menustration






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






20. Plants in which nutrients are delivered through special channels located in the stem






21. Any types of germs and chemicals that can make people sick






22. The portion of the vocal chords that produce sound






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






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






25. Process in which glucose is broken down and is a catabolic reaction






26. Multi - celled organisms that eat food to survive






27. The sum of an organism's genes






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






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






30. Membranes filled with tiny blood vessels that a fish uses to get oxygen from water as blood flows through them






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






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






33. Hard substance that covers the root and anchors the tooth in place






34. Body part of a fish used for protection






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






36. Special skin cells that make the pigment melanin






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






38. Gland that keeps the level of calcium in the blood at a certain level






39. Organ that is fundamental for breathing






40. A protozoa that cannot move on its own and depends on living bodies for transport






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






42. A fine lightly colored hair that covers your body when you are a baby






43. Pointed teeth that help tear the food apart






44. Lobe of the cerebrum that controls planning - problem solving and speech






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






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






47. A rod of stiffened tissue that develops into the backbone of a vertebrate as the animal grows






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






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






50. Reptiles shed their skin to grow