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






2. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs






3. A stage of mitosis; chromosomes line up at the equator of the cell






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






5. 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






6. A female sex hormone secreted by the follicle






7. Fluid-filled structures in the inner ear that are associated with the sense of balance






8. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions






9. A hormone that stimulates plant stem elongation






10. The external opening of the trachea in insects






11. The cell body of a neuron






12. In plants - an area of undifferentiated tissue covered by embryonic leaves






13. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA






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






15. A plant that lives on another plant mensalistically






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






17. Pertaining to a subdivision of the autonomic nervous system






18. A plant that has a single cotyledon or seed-leaf






19. A nuclear protein of chromosomes that stains readily






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






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






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






23. A category of taxonomic classification that is ranked above class and under kingdoms






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






25. A tube connecting the ovaries and the uterus






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






27. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway






28. A group of populations that can interbreed






29. 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






30. An organ that is not functional in an organism - but was functional at some period in its evolution






31. A colloidal system involving the dispersion of a liquid within a liquid






32. An antigen in blood; can cause erythroblastosis fetalis when the mother is Rh- and the fetus is Rh+






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






34. A white or colorless - amorphous - horny substance that forms part of the outer integument of insects - crustaceans and some other invertebrates; it also occurs in certain fungi






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






36. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations






37. A mutation in which a single nucleotide base is substituted for another nucleotide base - or an extra nucleotide base is added






38. A behavioral or biological change that enables an organism to adjust to its environment






39. A process by which the cell membrane is invaginated to form a vesicle which contains extracellular medium






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






41. A class of arthropods that includes scorpions - spiders - mites and ticks






42. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm






43. An organic nutrient required by organisms in small amounts to aid in proper metabolic processes






44. The large intestine






45. The colored part of the eye that is capable of contracting and regulating the size of the pupils






46. A fluid-filled sensory apparatus that aids balance and hearing






47. One of a group of compounds that is identical in a atomic composition - but different in structure and arrangement






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






49. The separation of homologous pairs of chromosomes following meiotic synapsis






50. A hormone produced by the Islets of Langerhans in the pancreas







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