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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. 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






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






3. The production of a number of different species from a single ancestral species






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






5. Tissue formed by the differentiation of cambium that causes a growth in width of a plant system






6. An enzyme that acts upon sucrose






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






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






9. The portion of seed plant embryo above the cotyledon






10. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates






11. The part of the flower that produces pollen






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






13. Multicellular organism






14. 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






15. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter






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






17. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis






18. Any physical feature that prevents the ecological niches of different organisms from overlapping






19. The navel






20. The posterior part of the brain that controls the rate of breathing and other autonomic functions






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






22. A disease-causing organism






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






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






25. Fluid in the eye - found between the cornea and the lens






26. The thigh bone of vertebrates






27. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






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






29. A substance that is acted upon by an enzyme






30. A foreign protein that stimulates the production of antibodies when introduced into the body of an organism






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






32. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin






33. The study of organisms in relation to their environment






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






35. A compact linear organization of nerve tissues with ganglia in the CNS






36. A fat-digesting hormone






37. Any cell that is not a reproductive cell






38. A hormonal secretion of the adrenal cortex






39. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa






40. A hormone that ripens fruit and induces aging






41. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)






42. A kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks






43. A muscular valve regulating the flow of food from the stomach to the small intestine






44. A hormone that regulates water reabsorption






45. Pertaining to a type of gland that releases its secretion through a duct






46. Self-digestion occurring in plant and animal tissues - particularly after they have ceased to function properly






47. The kind of bond formed when two amino acid units are jointed end to end






48. The phylum of sponges






49. A gland composed of two parts - anterior and posterior - each with its own secretions; called the "master gland" because its hormones stimulate secretions by other glands






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