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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 hormone that regulates water reabsorption






2. The outermost bone of the middle ear (hammer)






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






4. The enzyme released from the blood platelets in vertebrates during clotting






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






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






7. An enzyme that acts upon sucrose






8. Self-digestion occurring in plant and animal tissues - particularly after they have ceased to function properly






9. Fluid skeleton of annelids






10. The law by which genes on different chromosomes are inherited independently of each other






11. One of the primary tissues of the embryo






12. An organism that possesses both the male and the female reproductive organs






13. The triploid tissue in some seeds that contains stored food and is formed by the union of one sperm nucleus with two nuclei of the female's gametophyte






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






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






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






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






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






19. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside






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






21. Undifferentiated tissue in the stem of a plant that aids growth in width






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






23. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron






24. The type of mating that occurs when an organism selects a mating partner that resembles itself






25. Small - disc-shaped bodies in the blood that play a chief role in coagulation






26. The cell membrane






27. The division in animal cell cytoplasm caused by the pinching in of the cell membrane






28. A four-letter code made up of the DNA nitrogen bases A - T - G and C; each chromosome is made up of thousands of these bases






29. The external opening of the trachea in insects






30. A nuclear protein of chromosomes that stains readily






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






32. The sensory branch of each spinal nerve






33. A gland composed of two parts - anterior and posterior - each with its own secretions; called the "master gland" because its hormones stimulate secretions by other glands






34. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation






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






36. A dominant allele suppresses the expression of the other member of an allele pair when both members are present






37. A hormone that stimulates plant stem elongation






38. Describes organisms that are cooperative in action - such as hormones or other growth factors that reinforce each other's activity






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






40. The association of physical - visceral response with an environmental stimulus with which it is not naturally associated; a learned response






41. The vascular tissue of a plant that transports organic materials (photosynthetic products) from the leaves to other parts of the plant






42. A habitat zone - such as desert - grassland or tundra






43. 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






44. Any organism that is the victim of a parasite






45. An underground stem






46. An offspring that is heterozygous for one or more gene pairs






47. The stage in mitosis that is characterized by the migration of chromatids to opposite ends of the cell; the stage in meiosis during which homologus pairs migrate (Anaphase I) - and the stage in meiosis during which chromatids migrate to different end






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






49. Tubules that excrete metabolic wastes into the hindgut in arthropods






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