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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 science of classification of living things






2. The male gonads that produce sperm and male hormones






3. The portion of seed plant embryo above the cotyledon






4. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






5. A lymph tubule located in the villus that absorbs fatty acids






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






7. The ways in which organisms regulate their supply of water






8. A bone of the upper arm






9. A decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus






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






11. The area of medulla that regulates the rate of breathing






12. Part of the nephron in the kidney; involved in excretion

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13. A dark-staining small body within the nucleus; composed of RNA






14. The fusion of sperm and the egg to produce a zygote






15. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase






16. The study of organisms in relation to their environment






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






18. An organelle that contains enzymes that aid in intracellular digestion






19. A process by which the cell membrane is invaginated to form a vesicle which contains extracellular medium






20. A ductless gland that secretes hormones directly into the bloodstream






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






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






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






24. A short - stubby rod consisting of chromatin that is found in the nucleus of the cells; contains the genetic or hereditary component of cells (in the form of genes)






25. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine






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






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






28. The sensory branch of each spinal nerve






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






30. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior






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






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






33. Describes cells (gametes) that have half the chromosome number typical of the species






34. A plastid containing chlorophyll






35. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs






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






37. A fat or oil






38. 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






39. Adrenaline






40. The dorsal part of the hip girdle






41. The biome located between the polar region and the tiaga






42. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac






43. An antipathogenic substance (e.g. - penicillin)






44. Semen






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






46. One of the paired lateral divisions of the forebrain






47. The exchange of parts of homologous chromosomes during meiosis






48. The elimination of metabolic waster matter






49. 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






50. A mitotic stage in which nuclei reform and nuclear membrane reappears