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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 millions of pairs of chemical compounds that make up DNA






2. Pads of cartilage that cushion the vertebrae and protect the spinal cord from injury






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






4. The hard outer layer of the tooth






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






6. The pouch below the penis that testicles are located






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






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






9. Organ that follows the stomach where most of the food's nutrients are absorbed






10. The shape that DNA is formed within






11. Openings found on leaves that absorb carbon dioxide from the air






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






13. Protozoas that live in host organisms without providing any benefits






14. Cell organs that manufacture proteins






15. Complex molecules that cells use for all different types of jobs






16. Organs inside pallisade and spongy cells of leaves that contain chlorophyll - an essential pigment for photosynthesis






17. Organ at the bottom of the body that fills up with the urine transported from the kidneys






18. Also known as bicuspids - they are the teeth used for crushing and chewing






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






20. A type of amphibian thath as a long body - short legs and flattened tails for swimming






21. A meaty flavor sensed by the taste buds






22. Human body system that battles viruses and bacteria that try to make you sick






23. The outer layer of a cell that serves as a wall to let food in and let waste out






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






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






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






27. Human body system that exchanges carbon dioxide for oxygen for breathing






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






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






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






31. 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






32. A protist that uses sunlight to make food - like plankton and algae






33. Reptiles that live mainly in the tropics - have eyes and nostrils on top of theier heads






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






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






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






37. Organs that a fish uses to move through the water






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






39. Tails that plant - like protists use to transport themselves






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






41. The series of reactions that occur in the body to convert food into energy






42. Tough muscle tissue that connect bones to muscle






43. 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






44. Gives hair its strength and coloring






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






46. The most popular form of the invertebrate that is extremely tiny and lives in the soil and can be plant parasites - decomposers - or predators






47. The male sex organ






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






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






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