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






2. The dorsal part of the hip girdle






3. The recycling of nitrogen from decaying organism for use in future generations






4. A transmitter substance released from the axons of nerve cells at the synapse






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






6. A hormone that ripens fruit and induces aging






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






8. A hormonal secretion of the adrenal cortex






9. 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






10. A plant that lives on another plant mensalistically






11. The cell membrane






12. The outermost bone of the middle ear (hammer)






13. The navel






14. A nerve fiber






15. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa






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






17. Describes a fluid that has a higher osmotic pressure than another fluid it is compared to






18. An air-conducting tube






19. A membrane that envelopes the nucleus and separates it from the cytoplasm; present in eukaryotes






20. Technology that allows for manipulation of genetic material






21. The division in animal cell cytoplasm caused by the pinching in of the cell membrane






22. An anucleate red blood cell that contains hemoglobin






23. Comprises somatic and autonomic nervous systems; consists of cranial nerves and spinal nerves






24. The swelling at the end of an axon






25. A habitat zone - such as desert - grassland or tundra






26. An organelle that regulates cell functions and contains the genetic material of the cell






27. A mutation involving the addition or loss of nucleotides






28. The central tissue of a stem - used for food storage






29. A neuron that picks up impulses from receptors and transmits them to the spinal cord






30. A tube connecting the ovaries and the uterus






31. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)






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






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






34. Occurs when a segment of genetic material on a chromosome becomes reversed






35. A substance that participates in the clotting of blood in vertebrates






36. Bacteria that are rod shaped






37. The type of mating that occurs when an organism selects a mating partner that resembles itself






38. A waxy protective layer secreted by the outer surface of plants - insects - etcetera






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






40. The study of organisms in relation to their environment






41. The outer - transparent layer of the eye






42. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions






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






44. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone






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






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






47. An undifferentiated - growing region of a plant that is constantly undergoing cell division and differentiation






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

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49. Organelles that serve as specialized containers for metabolic reactions






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