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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 more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body






2. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans






3. The study of all living processes - activities and functions






4. A nerve cell






5. The portion of alimentary canal connecting the pharynx and the stomach






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






7. Process of aerobic respiration that fully harvests the energy of glucose; also known as the citric acid cycle






8. Encompasses the brain and the spinal cord






9. The individual differences of form among the members of a species






10. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules






11. The male gonads that produce sperm and male hormones






12. Vascular tissue of the plant that aids in support and carries water






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






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






15. 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






16. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome






17. Describes an individual that possesses two contrasting alleles for a given trait






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






19. A form of anaerobic respiration found in yeast and bacteria






20. The intake of fluid droplets into a cell






21. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough






22. 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






23. A resistance to disease developed through the immune system






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






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






26. A form of asexual reproduction in which the egg develops in the absence of sperm






27. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids






28. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals






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






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






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






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






33. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added






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






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






36. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males






37. An association of homologous chromosomes during the first meiotic division






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






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






40. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)






41. An organism that possesses one or more whiplike appendages called flagella






42. A disease-causing organism






43. The intake of food from the environment into the alimentary canal






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






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






46. A cell in the retina that is sensitive to colors and is responsible for color vision






47. The pigment in rod cells that causes light sensitivity






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






49. xylem that is no longer being used






50. The chamber in the alimentary canal of certain vertebrates located below the large intestine - into which the ureter and reproductive organs empty (as in frogs)