Test your basic knowledge |

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. Human body system that protects insides including skin - hair - and nails






2. Special skin cells that make the pigment melanin






3. Organ behind the eye's pupil that foucses light back onto the eyeball






4. The millions of pairs of chemical compounds that make up DNA






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






6. Organs inside birds that ensure that their lungs constantly get fresh air






7. Gland that controls how fast your body cells burn energy






8. Also known as transfer RNA - it decodes the recipes/instructions from the messenger RNA to produce certain proteins






9. The portion of the vocal chords that produce sound






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






11. An overpopulation of algae that can cover huge areas of water and devestate ecosystems by blocking out the sunlight from other organisms or secrete poison into the water






12. Hormone released by the pituitary gland that stimulates cell division - causing growth






13. The long strands that DNA comes in. Two DNA molecules held together by a central structure






14. Three layers of connective tissue that protect the spinal chord






15. Bony structure that protects the lungs






16. Gland that secretes the hormone melatonin - which is important for the sleep cycle - metabolism - and sexual development






17. The shape that DNA is formed within






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






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






20. The colored portion of the eye that opens and closes around the pupil depending on how much light there is






21. Organ in the body that controls memory and the body's functions






22. Within scent organs that can detect more than 10000 odors






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






24. A type of invertebrate that has a long flat body and bilateral symmetry. Most are parasites and live off of other organisms






25. The process in which plants turn water and carbon dioxide and sunlight into photosynthesis






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






27. Feathers on birds that grow on their wing and tail and help steer the bird as it moves through the air






28. The bumps found on a tongue






29. One of the five senses that is experienced all over the body






30. Jointed plates on an insect that are located in the abdomen and let in air so that an insect can breathe






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






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






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






34. Set of chemical reactions that occur within the protoplasm - the living material of the cells






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






36. A peach fuzz that is light in color and no larger than 2 cm found on the underside of the arms in the body






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






38. The central part of a flower that contains its female sex organs






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






40. Human body system that allows your muscles to move






41. Plants that keep their needles or slippery leaves all year round






42. Neuron processes that carry impulses away from the neuron's body






43. Little hairs that protoists use to move through the water






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






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






46. The science of life






47. Human body system that helps humans make more humans






48. Meat - eating






49. Phase of mitosis in which the duplicated chromosomes line up along the center of the cell and each centromere attaches to two spindle fibers






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