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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. An organ that stores bile






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






3. Living or active in the absence of free oxygen; pertaining to respiration that is independent of oxygen






4. The intake of fluid droplets into a cell






5. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron






6. Movement of amoeba






7. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum






8. A membrane that envelopes the nucleus and separates it from the cytoplasm; present in eukaryotes






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






10. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)






11. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote






12. The navel






13. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity






14. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty






15. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms






16. 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






17. A hormone produced by the Islets of Langerhans in the pancreas






18. The womb in which the fetus develops






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






20. A marine biome typical of the open seas






21. A large molecule that is composed of many similar molecule units






22. Describes an individual that possesses two contrasting alleles for a given trait






23. A cell that divides to form the polar body and the secondary oocyte






24. An underground stem






25. A transmitter substance released from the axons of nerve cells at the synapse






26. An enzyme that acts upon sucrose






27. The thin-walled anterior chamber of the heart (also called the auricle)






28. An organism that is heterozygous for two different traits






29. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections






30. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate






31. A duct through which the urine passes from the bladder to the outside






32. A "seed leaf"; responsible for food digestion and storage in plant embryo






33. The microspore of a seed plant






34. A structure formed by the wall of the uterus and the chorion of the embryo; serves as the area in which the embryo obtains nutrition from the parent






35. The cell membrane






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






37. Changes in genes that are inherited






38. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf






39. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac






40. A plastid containing chlorophyll






41. A substance that is acted upon by an enzyme






42. The outermost surface of an organism






43. A bundle of nerve axons






44. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances






45. The hindbrain region that controls equilibrium and muscular coordination






46. A cell resulting from the fusion of gametes






47. A mall sex hormone (e.g. - testosterone)






48. The haploid - sexual stage in the life cycle of plants






49. A remnant of follicle after ovulation that secretes the hormone progesterone






50. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin