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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. In plants - an area of undifferentiated tissue covered by embryonic leaves






2. The part of the neuron that transmits impulses to the cell body






3. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland






4. The hind portion of the forebrain of vertebrates






5. The colored part of the eye that is capable of contracting and regulating the size of the pupils






6. The transfer of a piece of chromosome to another chromosome






7. A family tree depicting the inheritance of a particular genetic trait over several generations






8. An enlargement of the thyroid gland due to lack of iodine






9. The part of the male reproductive organ (the stamen) that produces and stores pollen






10. An organic nutrient required by organisms in small amounts to aid in proper metabolic processes






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






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






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






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






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






16. Pertaining to a subdivision of the autonomic nervous system of vertebrates






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






18. A cell that divides to form the polar body and the secondary oocyte






19. A protein compound containing iron that is found in red blood cells






20. An association between an algae and a fungus that is symbiotic and mutualistic in nature






21. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations






22. A section of the posterior forebrain associated with the pituitary gland






23. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote






24. A remnant of follicle after ovulation that secretes the hormone progesterone






25. Pertaining to a type of gland that releases its secretion through a duct






26. Relating to the lung






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






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






29. 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






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






31. The separation of some members of a population from the rest of their species; prevents interbreeding and may lead to the development of a new species






32. One of the primary tissues of the embryo






33. The evaporation of water from leaves or other exposed surfaces of plants






34. The physical appearance or makeup of an individual - as opposed to its genetic makeup






35. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates






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






37. A thyroid deficiency that results in stunted growth and feeblemindedness






38. Organism that consumes food from outside itself instead of producing it






39. A substance that is acted upon by an enzyme






40. Any physical feature that prevents the ecological niches of different organisms from overlapping






41. A hormone that ripens fruit and induces aging






42. Structures in the testes that produce sperm and semen






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. The part of the nervous system that regulates the involuntary muscles - such as the walls of the alimentary canal; includes the parasympathetic and sympathetic nervous systems






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






46. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis






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






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






49. Describes a fluid that has the same osmotic pressure as a fluid it is compared to






50. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells