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






2. Hormones released by the hypothalmus and pituitary gland that regulate puberty and make the ovaries and testes grow






3. Algae with cell walls that are rich in silica - the main component of glass






4. Human body system that gets rid of chemical wastes by flushing them out






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






6. Liquid produced by salivary glands that helps break down chemicals and determine taste by traveling back to the tastebuds






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






8. The portion of the ear that is seen and has ridges that bounces soundwaves into the middle ear






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






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






11. Something that makes somebody sick






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






13. Photoreceptive nerve cells that are sensitive to light and can be triggered by a single photon






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






15. Also known as the ear drum - it vibrates like a real drum when soundwaves enter the ear






16. Portion of the tooth that connects the teeth to the jawbone






17. Enzyme found in spit that breaks down carbohydrates






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






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






20. Means that a plant has tiny vessels that transport water and food through the roots - stems and leaves






21. Tube that the sperm travels through






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






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






24. Two pairs of elastic membranes that stretch across the larynx






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






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






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






28. Joint that is used to turn one's head






29. Meat - eating






30. Poison from the bloodstream






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






32. Also known as ribonucleic acid - a complex molecule found in cells and viruses. Used by DNA to transport the instructions on how to develop the cell






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






34. Cnidarians - like sea anemones - that do not move as much at all






35. Temporary extensions of cytoplasm on a protozoan that they use to move






36. Joint that is used by shoulders and arms. One bone ends in a ball shape that fits into the socket of the other bone






37. Any place where two or more bones meet






38. Gives hair its strength and coloring






39. A type of reptile that has no limbs






40. Bone that supports the entire back and is the reason why one is able to stand up straight






41. Also known as messenger RNA. It carries out protein recipes from the DNA to the ribosomes






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






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






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






45. The tough - elastic skin of a sponge






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






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






48. Anthropods that are the most adaptable insects all over the world. they have a hard exoskeleton and jointed limbs and eight legs - like spiders and scorpions and mites and ticks






49. Reptiles shed their skin to grow






50. Layer of skin located beneath the epidermis and dermis which is mostly fatty tissue to protect the inner organs







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Can you answer 50 questions in 15 minutes?


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