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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 transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)






2. A female sex hormone secreted by the follicle






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






4. A constituent of the plasma of the blood of vertebrates; it is converted to thrombin by thrombokinase in the presence of calcium ions - thus contributing to the clotting of blood






5. Pertains to a gene or characteristic that is masked when a dominant allele is present






6. The microspore of a seed plant






7. Refers to protective covering






8. The portion of alimentary canal in which some protein digestion occurs






9. An air duct from the middle ear to the throat that equalizes external and internal air pressure






10. Related to the sense of smell






11. A decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus






12. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products






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






14. Any organism that is the victim of a parasite






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






16. The biome located between the polar region and the tiaga






17. Cytoplasmic organelles that serve as sites of respiration; a rod-shaped body in the cytoplasm known to be the center of cellular respiration






18. 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






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






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






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






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






23. A kind of white blood cell in vertebrates that is characterized by a rounded nucleus; involved in the immune response






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






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






26. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions






27. A plant growth hormone






28. A change from a diploid nucleus to a haploid nucleus - as in meiosis






29. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles






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






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






32. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials






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






34. A plant that has two seed leaves or cotyledons






35. Substance secreted by organisms that influences the behavior of other members of the same species






36. The thin-walled anterior chamber of the heart (also called the auricle)






37. In plants - the tissue between the epidermis and the vascular cylinder in the roots and stems of plants; in animals - the outer tissue of some organs






38. The large intestine






39. 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






40. The orderly process by which one biotic community replaces another until a climax community is established






41. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron






42. The basal branch of each spinal nerve; carries motor neurons






43. A mass of cells that have similar structures and perform similar functions






44. A jellyfish






45. The outermost - extra-embryonic membrane of reptiles and birds






46. Any chromosome that is not a sex chromosome






47. A nerve fiber






48. Relating to the lung






49. The intake of fluid droplets into a cell






50. The cellular layer that covers external and internal surfaces