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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. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to






2. Describes cells that have a double set of chromosomes in homologous pairs (2n)






3. A cell resulting from the fusion of gametes






4. A nerve fiber






5. In mammals - the slitlike opening formed by the vocal folds in the larynx






6. The cavity in the mammalian ovary in which the egg ripens






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






8. A blood clot that is formed within a blood vessel






9. 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






10. A space in the cytoplasm of a cell that contains fluid






11. 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






12. Pertaining to a subdivision of the autonomic nervous system






13. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells






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






15. An underground stem






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






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






18. Movement of amoeba






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






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






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






22. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body






23. The veins that carry blood from the digestive organs to the liver






24. Describes a fluid that has a higher osmotic pressure than another fluid it is compared to






25. A waxy protective layer secreted by the outer surface of plants - insects - etcetera






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






27. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule






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






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






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






31. The portion of seed plant embryo above the cotyledon






32. 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






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






34. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association






35. An emulsifying agent secreted by the liver






36. A wall composed of cellulose that is external to the cell membrane in plants; it is primarily involved in support and in the maintenance of proper internal pressure






37. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells






38. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation






39. The part of the body of an animal that is between the neck or head and the abdomen






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






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






42. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells






43. Compounds in bile that aid in emulsification






44. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells






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






46. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough






47. Cytoplasmic bodies within a plant cell that are often pigmented






48. A nuclear protein of chromosomes that stains readily






49. Process of aerobic respiration that fully harvests the energy of glucose; also known as the citric acid cycle






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