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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. Protozoans that move with cillia and have two nuclei - the micro nucleus and the macro nucleus






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






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






4. Enzyme found in spit that breaks down carbohydrates






5. How organisms are organized through evolution






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






7. Neurons that transmit signals between sensory and motor neurons






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






9. Cells owned by plants and animals in which the cell's genetic material is surrounded by a membrane






10. Also known as leukocytes - cells found in blood that prevent one from getting sick






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






12. Version of the nervous system that controls voluntary actions like petting or talking






13. Heart chamber that is filled blood from the lungs that has oxygen and is ready to go through the body






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






15. Joints found in vertebrae that slide in a back and forth motion






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






17. Special skin cells that make the pigment melanin






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






19. A combination of waater - urea - and salts that you don't need






20. Tough muscle tissue that connect bones to muscle






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






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






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






24. Uses the major arteries and veins to move oxygen rich blood throughout the body






25. 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






26. The way that the female's sex cell - the egg - travels inside the female reproductive system






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






28. Cell organs that manufacture proteins






29. The male sex cells of a flower






30. The flow of blood through the heart to the lungs trading carbon dioxide for oxygen






31. Reptiles that have protective shells and can live in land or in water






32. The tiny nerve endings at the bottom of the skin






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






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






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






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






37. A shield that protects pathogens from entering the body






38. Tunnel the soundwaves from the outer ear travel to






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






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






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






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






43. A meaty flavor sensed by the taste buds






44. Nerve cells that are sensitive to light and found in the eyes






45. Also known as the voice box - it is where your voice comes from and made up of cartilege - muscle and ligaments and is found in the trachea






46. The shape that DNA is formed within






47. Thick and dark hair that is usually head hair and also found on legs - armpits and pubic areaa






48. Cell organelle that moves waste - food and water inside a cell






49. Hormones released from the adrenal glands during times of stress by telling the body to metabolize carbohydrates to produce extra energy






50. Prozotoans that live in host organisms and help the host