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SAT Subject Test: Biology

Subjects : sat, 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. Protein threads that form in the blood during clotting






2. The part of the nervous system that regulates the involuntary muscles - such as the walls of the alimentary canal; includes the parasympathetic and sympathetic nervous systems






3. A stage of embryonic development in which the embryo consists of a hollow ball of cells






4. Chemical groups attached to carbon skeletons that give compounds their functionality






5. Relating to the lung






6. Structures in the testes that produce sperm and semen






7. A specialized structure that leads to the digestive tract of a developing organism and provides it with food during early development






8. Undifferentiated tissue in the stem of a plant that aids growth in width






9. An enzyme from the pancreas that digests proteins in the small intestine






10. A thyroid deficiency that results in stunted growth and feeblemindedness






11. Movement of amoeba






12. The sac in the ovary in which the egg develops






13. A tube one cell thick that carries blood from artery to vein; the site of material exchange between the blood and tissues of the body






14. The uppermost portion of pistil upon which pollen grains alight






15. Refers to protective covering






16. A space in the body






17. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome






18. A structure that extends from the trunk of an organism and is capable of active movements






19. An individual that is heterozygous for only one trait






20. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis






21. A stalklike or elongated body part - usually pointed at one end






22. A process of photosynthesis in which water is split into H+ and OH-; the hydrogen ion is then joined to NADP






23. The womb in which the fetus develops






24. The cavity between the lungs and the wall of the chest






25. A hormone that stimulates plant stem elongation






26. The veins that carry blood from the digestive organs to the liver






27. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment






28. A form of anaerobic respiration found in yeast and bacteria






29. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient






30. A tract of nerve fibers connecting the two cerebral hemispheres






31. The recycling of nitrogen from decaying organism for use in future generations






32. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron






33. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells






34. Plant growth stimulated by light (stem: + - towards light; root: - - away from light)






35. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males






36. An organ that stores urine temporarily before it is excreted






37. The phylum of sponges






38. An endocrine gland of vertebrates - usually paired - and located near or within the thyroid that secretes parathormone - which controls the metabolism of calcium






39. All the members of a given species inhabiting a certain locale






40. The liquid part of blood






41. The contraction of the atria or ventricles of the heart






42. A marine biome typical of the open seas






43. A substance that is acted upon by an enzyme






44. Nonliving - as in the physical environment






45. Agent that induces mutations; typically carcinogenic






46. Unicellular organism with simple cell structure






47. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)






48. A nerve cell






49. An organ centrally involved in the human digestive system






50. The fusion of sperm and the egg to produce a zygote






Can you answer 50 questions in 15 minutes?



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