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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. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers






2. Fluid in the eye - found between the cornea and the lens






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






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






5. The removal of an amino group from an organism - particularly from an amino acid






6. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species






7. The part of the flower that bears the female gametophyte






8. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)






9. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium






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






11. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine






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






13. An organism that is heterozygous for two different traits






14. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing






15. An air-conducting tube






16. The movement of particles from one place to another as a result of their random motion






17. A behavioral or biological change that enables an organism to adjust to its environment






18. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron






19. Waves of contraction and relaxation passing along a tubular structure - such as the digestive tube






20. 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






21. In mammals - the slitlike opening formed by the vocal folds in the larynx






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






23. A space in the cytoplasm of a cell that contains fluid






24. The outer - transparent layer of the eye






25. The anaerobic respiration of carbohydrates






26. Encompasses the brain and the spinal cord






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






28. The phylum of sponges






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






30. A marine biome typical of the open seas






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






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






33. A network or mesh of fibrils - fibers or filaments






34. A "seed leaf"; responsible for food digestion and storage in plant embryo






35. Refers to protective covering






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






37. Plant growth stimulated by light (stem: + - towards light; root: - - away from light)






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






39. The male gonads that produce sperm and male hormones






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






41. The science of classification of living things






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






43. A plant-eating animal






44. A plant that has a single cotyledon or seed-leaf






45. Undifferentiated tissue in the stem of a plant that aids growth in width






46. A nerve fiber






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






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






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






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