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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. A pair of chromosome pairs present during the first metaphase of meiosis






2. The study of the evolutionary descent and interrelations of groups of organisms






3. Any movement or growth of a living organism in response to the force of gravity






4. Related to the sense of smell






5. An emulsifying agent secreted by the liver






6. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers






7. Compounds in bile that aid in emulsification






8. The study of all living processes - activities and functions






9. An enzyme that acts upon sucrose






10. Semen






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






12. A hoofed animal






13. The transformation of an immature animal into an adult; a change in the form of an organ or structure






14. The evaporation of water from leaves or other exposed surfaces of plants






15. A period in the development of animals between the embryo and adult stages; starts at hatching and ends in metamorphasis






16. Pertaining to the head






17. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)






18. Fluid excreted by the kidney containing urea - water - salts - etc






19. An opening in the eye whose size is regulated by the iris






20. One of the paired lateral divisions of the forebrain






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






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






23. Describes organisms that are cooperative in action - such as hormones or other growth factors that reinforce each other's activity






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






25. 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






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






27. Functional urinary tubules responsible for excretion in the kidney of vertebrates






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






29. A habitat zone - such as desert - grassland or tundra






30. An association of homologous chromosomes during the first meiotic division






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






32. The individual differences of form among the members of a species






33. The phylum to which segmented worms belong






34. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA






35. A carbohydrate that is composed of many monosaccharide units joined together






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






37. Partially digested food in the stomach






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






39. A nerve fiber






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






41. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior






42. A sensory organ capable of detecting light






43. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine






44. The solid ball of cells the results from cleavage of an egg; a solid blastula that precedes the blastula stage






45. A specialized structure that controls osmotic pressure by removing water from the cell






46. Changes in genes that are inherited






47. An organic molecule consisting of joined phosphate - 5-carbon sugar (deoxyribose or ribose) - and a purine or a pyrimidine (adenine - guanine - uracil - thymine or cytosine)






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






49. In taxonomy - a classification between species and family






50. Encompasses the brain and the spinal cord