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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 structure that extends from the trunk of an organism and is capable of active movements






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






3. The process of forming the sperm cells from primary spermatocytes






4. A flowering plant; a plant of the class Angiospermae that produces seeds enclosed in an ovary and is characterized by the possession of fruits and flowers






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






6. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity






7. Semen






8. A stalklike or elongated body part - usually pointed at one end






9. A nerve cell






10. The tenth cranial nerve that innervates digestive organs - heart and other areas






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






12. The transformation of an immature animal into an adult; a change in the form of an organ or structure






13. A "seed leaf"; responsible for food digestion and storage in plant embryo






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






15. The contraction of the atria or ventricles of the heart






16. A dark-staining small body within the nucleus; composed of RNA






17. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development






18. A sensory organ capable of detecting light






19. A hormone that regulates water reabsorption






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






21. A major lymphatic that empties lymph into a vein in the neck






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






23. An organism that does not require free oxygen in order to respire






24. The living matter of a cell - located between the cell membrane and the nucleus






25. The process by which a certain function is regulated by the amount of the substance it produces






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






27. A pouched mammal - such as the kangaroo or opossum






28. The smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast






29. An embryonic structure that gives rise to the central nervous system






30. The enzyme that acts upon lactose






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






32. Pertaining to the head






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






34. The hind portion of the forebrain of vertebrates






35. An organ that stores urine temporarily before it is excreted






36. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus






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






38. A mature ovary






39. The cellular layer that covers external and internal surfaces






40. Part of the nephron in the kidney; involved in excretion

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41. 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






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






43. A ring-shaped muscle that is capable of closing a tubular opening by constriction






44. The largest artery; carries blood from the left ventricle






45. A hormone that stimulates plant stem elongation






46. Globular proteins produced by tissues that destroy or inactivate antigens






47. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male






48. A type of anaerobic respiration found in fungi - bacteria and human muscle cells






49. A mitotic stage in which nuclei reform and nuclear membrane reappears






50. Occurs when certain traits are determined by genes on sex chromosomes