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






2. 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)






3. A relationship in which one organism benefits at the expense of another






4. The mammalian oviduct that leads from the ovaries to the uterus






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






6. A plastid containing chlorophyll






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






8. A 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)






9. A marine biome typical of the open seas






10. A specialized structure that carries out particular functions for eukaryotic cells






11. A marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft






12. A neuron that picks up impulses from receptors and transmits them to the spinal cord






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






14. A resistance to disease developed through the immune system






15. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone






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






17. A process of asexual reproduction in which the offspring develop from an outgrowth of the plant or animal






18. Daily cycles of behavior






19. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase






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






21. Blood protein that is transformed to fibrin upon clotting






22. The living together of two organisms in an intimate relationship






23. An organelle that regulates cell functions and contains the genetic material of the cell






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






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






26. An emulsifying agent secreted by the liver






27. 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)






28. A hormonal secretion of the adrenal cortex






29. An undifferentiated - growing region of a plant that is constantly undergoing cell division and differentiation






30. The removal of hydrogen or electrons from a compound or addition of oxygen; half of a redox (oxidation or reduction) process






31. Describes a fluid that has the same osmotic pressure as a fluid it is compared to






32. Laws of classical genetics established through Mendel's experiments with peas






33. The cell body of a neuron






34. Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen






35. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose






36. A mature ovary






37. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis






38. Organism that produces its own food; first stage in the food chain






39. Any organism that is the victim of a parasite






40. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells






41. Nonfunctional haploid cells created during meiosis in females; they have very little cytoplasm-most has gone into the functional egg cell






42. The cell membrane






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






44. The science of classification of living things






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






46. The breeding of an organism with a homozygous recessive in order to determine whether an organism is homozygous dominant or heterozygous dominant for a given trait






47. The part of the male reproductive organ (the stamen) that produces and stores pollen






48. Related to the sense of smell






49. An abbreviation of ribonucleic acid - a nucleic acid in which the sugar is ribose; a product of DNA transcription that serves to control certain cell activities






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