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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 idea that the earliest forms of living organsims were made out of RNA and not DNA. Life forms based on RNA evolved to the life forms that we see today






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






3. Other muscles that one cannot personally control - like the heart and digestive system






4. Phase of mitosis in which the chromosomes are visible and centrioles move to the opposite ends of the cells and threadlike spindle fibers start to spread across






5. Specialized mechanoreceptors in the ear that sense vibration and allow you to hear sound






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






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






8. The fluid filled gap that axons are connected to in the neuron






9. A network of nerves in the human body that send signals to your brain to make decisions






10. The redness of the sea caused by the overpopulation of dinoflagellates






11. The various organs of a cell that produce food - get rid of waste






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






13. Metabolic reactions that break down complicated models from food into simpler molecules






14. A group of vertebrates that have dry scaly skin that protects them and keeps moisture inside their bodies and use lungs to breathe air






15. Meat - eating






16. Special mechanoreceptors that allow you to sense temperature like hot and cold






17. Different parts of the cerebrum that control different kinds of thought






18. The nuclei of a cilliate protozoa that controls reproduction






19. Lobe of the cerebrum that controls memory






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






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






22. The walls of a plant cell






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






24. A group of animals that belong to the arthropod phylum that have no backbone and have an exoskeleton






25. The smallest amount of living matter that is the unit of structure and function for all organisms






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






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






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






29. The mouth parts of an insect that are used to chew up food and wood for nests






30. Neurons that transfer impulses from sensory organs like the eyes and ears






31. A type of reptile that has no limbs






32. A green pigment found inside the chloroplasts of leaves. It traps the energy of the sunlight






33. Extensions on a neuron that stretch out of its body and transmit messages throughout the nervous system






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






35. Male sex cells produced in the testes






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






37. Part of brain that is important to the endocrine system because it sends messages from your brain to the pituitary gland and controls body temperature and food intake






38. The body's liquid messenger that takes oxygen and nutrients to the body






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






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. Glands inside the tongue that produce saliva






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






43. The thick - milkshake consistency that food becomes once it is digested in the stomach






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






45. Fish that have skeletons made out of bone






46. Glands in women and men that produce the sex cells for reproduction






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






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






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






50. A carnivorous plant with sticky beads that attract insects and then sucks the nutrients out of their decaying bodies