Test your basic knowledge |

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 marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft






2. A blood clot that is formed within a blood vessel






3. The study of form and structure






4. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers






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






6. The tenth cranial nerve that innervates digestive organs - heart and other areas






7. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products






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






9. Globular proteins produced by tissues that destroy or inactivate antigens






10. The genetic makeup of an organism without regard to physical appearance






11. The inner layer of an organ surrounded by the cortex






12. A structure of the eye that focuses images on the retina by changing its convexity






13. A symbol that denotes the relative concentration of hydrogen ions in a solution






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






15. The smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast






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






17. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence






18. The individual differences of form among the members of a species






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






20. A disease-causing organism






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






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






23. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females






24. Describes an individual that possesses two contrasting alleles for a given trait






25. One-thousandth of a millimeter; a unit of microscopic length






26. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment






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






28. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron






29. Membranous organelles involved in the storage and modification of secretory products






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






31. One of the two strands that constitute a chromosome; chromatids are held together by the centromere






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






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






34. 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






35. A grouping of neuron cell bodies that acts as a coordinating center






36. The association of physical - visceral response with an environmental stimulus with which it is not naturally associated; a learned response






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






38. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added






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






40. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system






41. A form of anaerobic respiration found in yeast and bacteria






42. Bacteria that are rod shaped






43. The place of attachment of the mitotic fiber to the chromosome






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






45. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")






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






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






48. Organelles that serve as specialized containers for metabolic reactions






49. 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






50. An organism that possesses both the male and the female reproductive organs






Can you answer 50 questions in 15 minutes?



Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests



Major Subjects

Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Browse all subjects

Browse all tests

Most popular tests