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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 network of capillaries in the Bowman's capsules of the kidney






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






3. A marine arthropod - now extinct - that lived during the Paleozoic era






4. A type of virus that can destroy bacteria by infecting - parasitizing and eventually killing them






5. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule






6. Genetic blending; each allele exerts some influence on the phenotype






7. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea






8. Random evolutionary changes in the genetic makeup of a population






9. One-thousandth of a millimeter; a unit of microscopic length






10. A mucus-secreting membrane






11. A grouping of neuron cell bodies that acts as a coordinating center






12. The outermost bone of the middle ear (hammer)






13. A substance that is acted upon by an enzyme






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






15. A resistance to disease produced through the injection of antibodies






16. Nonliving - as in the physical environment






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






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






19. A large class of arthropods - including crabs and lobsters






20. Unicellular organism with simple cell structure






21. A structure of the eye that focuses images on the retina by changing its convexity






22. A section of the posterior forebrain associated with the pituitary gland






23. A symbiotic relationship from which both organisms involved derive some benefit






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






25. An air-conducting tube






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






27. Vascular tissue of the plant that aids in support and carries water






28. The creation of certain strains of specific traits through control of breeding






29. A process by which the cytoplasm and the organelles of the cell divide; the final stage of mitosis






30. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species






31. xylem that is no longer being used






32. An organism that possesses both the male and the female reproductive organs






33. A response by an organism to the duration and timing of light and dark conditions






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






35. The central tissue of a stem - used for food storage






36. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland






37. Organism that consumes food from outside itself instead of producing it






38. An organic cofactor required for enzyme activity






39. The enzyme that acts upon lactose






40. In mammals - a flap of tissue above the glottis; it folds back over the glottis in swallowing to close the air passages of the lungs; contains elastic cartilage






41. 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






42. An organelle that contains enzymes that aid in intracellular digestion






43. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium






44. The conversion of digested foods and other materials into forms usable by the body (i.e. - the conversion of amino acids into proteins)






45. A hormone that stimulates plant stem elongation






46. A condition in which an organism may have a multiple of the normal number of chromosomes (4n - 6n - etc)






47. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates






48. The process of breaking down large organic molecules into smaller ones






49. The movement of particles from one place to another as a result of their random motion






50. The ability of certain animals to regrow missing body parts