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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 cavity in the mammalian ovary in which the egg ripens






2. Protein threads that form in the blood during clotting






3. Hormone active in osmoregulation; a mineral corticoid produced by the adrenal cortex; stimulates reabsorption of Na+ and secretion of K+






4. A progressive change from which a permanently more mature or advanced state results






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






6. Cells which in the female are located between the ovarian follicles and in the male are located between the seminiferous tubules of the testes






7. The primary germ layer - developed from the lip of the blastopore - that gives rise to the skeleton - the circulatory system and many organs and tissues between the epidermis and the epithelium






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






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






10. A compact linear organization of nerve tissues with ganglia in the CNS






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






12. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA






13. A cell in the retina that is sensitive to weak light






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






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






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






17. 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






18. Semen






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






20. Fluid skeleton of annelids






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






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






23. A disease-causing organism






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






25. An air-conducting tube






26. One of a class of organic compounds that contains a molecular skeleton of four fused rings of carbon






27. A small projection in the walls of the small intestine that increases the surface area available for absorption






28. A sugar composed of two combined monosaccharides






29. The swelling at the end of an axon






30. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum






31. The dorsal part of the hip girdle






32. A metabolic stage between mitoses in which genetic material is reproduced






33. The external opening of the trachea in insects






34. The transfer of pollen from the stamen to the pistil of the same flower






35. A hormonal secretion of the adrenal cortex






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






37. A hoofed animal






38. Chemical groups attached to carbon skeletons that give compounds their functionality






39. Any organism that is the victim of a parasite






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






41. The cavity between the lungs and the wall of the chest






42. Pertaining to the head






43. An abbreviation of ribonucleic acid - a nucleic acid in which the sugar is ribose; a product of DNA transcription that serves to control certain cell activities






44. Pertaining to a restricted locality; ecologically - occurring only in one particular region






45. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin






46. 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






47. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence






48. Membranous organelles involved in the storage and modification of secretory products






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






50. A process of cell division whereby each daughter cell receives only one set of chromosomes; the formation of gametes