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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 cell membrane






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






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






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






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






6. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions






7. The production of daughter cells by means other than the sexual union of gametes (as in budding and binary fission)






8. Any cell capable of ingesting another cell






9. A large class of arthropods - including crabs and lobsters






10. The enzyme that acts upon lactose






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






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






13. An underground stem






14. 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






15. The outer - transparent layer of the eye






16. A structure formed by the wall of the uterus and the chorion of the embryo; serves as the area in which the embryo obtains nutrition from the parent






17. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin






18. 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






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






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






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






22. The site of most digestion of nutrients and absorption of digested nutrients






23. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells






24. Relating to the lung






25. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus






26. A disease-causing organism






27. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms






28. A resistance to disease developed through the immune system






29. The small granular body within the centrosome to which the spindle fibers attach






30. A symbiotic relationship from which both organisms involved derive some benefit






31. A change from a diploid nucleus to a haploid nucleus - as in meiosis






32. 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






33. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)






34. A duct through which the urine passes from the bladder to the outside






35. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association






36. 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






37. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf






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






39. Functional urinary tubules responsible for excretion in the kidney of vertebrates






40. A plant that has two seed leaves or cotyledons






41. The ability to respond to a stimulus






42. A stage of embryonic development in which the embryo consists of a hollow ball of cells






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






44. In mitosis of higher plants - the structure that forms between the divided nuclei of the two daughter cells and eventually becomes the cell wall






45. A chemical action that releases energy from glucose to form ATP






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






47. An air-conducting tube






48. The ways in which organisms regulate their internal heat






49. An opening in the eye whose size is regulated by the iris






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






Can you answer 50 questions in 15 minutes?



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