EOC Practice Questions

Below are practice questions for each student expectation that can be tested on the STAAR Biology EOC. All Readiness Standards will be test along with many of the Supporting Standards. If you need assistance, there are pages containing notes and links to tutorials for each of the student expectation on this website. REL's biology teachers have posted tutorial times and are eager to help students prepare for the STAAR EOC Biology exam.

BIOLOGY EOC MAY 15 2012

Reporting Category 1:Cell Structure and Function = 11 questions The student will demonstrate an understanding of biomolecules as building blocks of cells, and that cells are the basic unit of structure and function of living things.

Readiness Standards

Supporting Standards

B.4.B investigate and explain cellular processes, including homeostasis, energy conversions, transport of molecules, and synthesis of new molecules

B.4.A compare and contrast prokaryotic and eukaryotic cells

B.4.C compare the structures of viruses to cells, describe viral reproduction, and describe the role of viruses in causing diseases such as human immunodeficiency virus (HIV) and influenza

B.5.B examine specialized cells, including roots, stems, and leaves of plants; and animal cells such as blood, muscle, and epithelium

B.5.A describe the stages of the cell cycle, including deoxyribonucleic acid (DNA) replication and mitosis, and the importance of the cell cycle to the growth of organisms

B.5.C describe the roles of DNA, ribonucleic acid (RNA), and environmental factors in cell differentiation

B.9.A compare the structures and functions of different types of biomolecules, including carbohydrates, lipids, proteins, and nucleic acids

B.5.D recognize that disruptions of the cell cycle lead to diseases such as cancer

B.9.D analyze and evaluate the evidence regarding formation of simple organic molecules and their organization into long complex molecules having information such as the DNA molecule for self replicating life

Reporting Category 2: Mechanisms of Genetics = 11 Questions The student will demonstrate an understanding of the mechanisms of genetics.

Readiness Standards

Supporting Standards

B.6.A identify components of DNA, and describe how information for specifying the traits of an organism is carried in the DNA

B.6.B recognize that components that make up the genetic code are common to all organisms

B.6.E identify and illustrate changes in DNA and evaluate the significance of these changes

B.6.C explain the purpose and process of transcription and translation using models of DNA and RNA

B.6.F predict possible outcomes of various genetic combinations such as monohybrid crosses, dihybrid crosses and NonMendelian inheritance

B.6.D recognize that gene expression is a regulated process

B.6.G recognize the significance of meiosis to sexual reproduction

B.6.H describe how techniques such as DNA fingerprinting, genetic modifications, and chromosomal analysis are used to study the genomes of organisms

Reporting Category 3:Biological Evolution and Classification = 10 Questions The student will demonstrate an understanding of the theory of biological evolution and the hierarchical classification of organisms.

Readiness Standards

Supporting Standards

B.7.A analyze and evaluate how evidence of common ancestry among groups is provided by the fossil record, biogeography, and homologies, including anatomical, molecular, and developmental

B.7.B analyze and evaluate scientific explanations concerning any data of sudden appearance, stasis, and sequential nature of groups in the fossil record

B.7.E analyze and evaluate the relationship of natural selection to adaptation and to the development of diversity in and among species

B.7.C analyze and evaluate how natural selection produces change in populations, not individuals

B.8.B categorize organisms using a hierarchical classification system based on similarities and differences shared among groups

B.7.D analyze and evaluate how the elements of natural selection, including inherited variation, the potential of a population to produce more offspring than can survive, and a finite supply of environmental resources, result in differential reproductive success

B.7.F analyze and evaluate the effects of other evolutionary mechanisms, including genetic drift, gene flow, mutation, and recombination

B.7.G analyze and evaluate scientific explanations concerning the complexity of the cell

B.8.A define taxonomy and recognize the importance of a standardized taxonomic system to the scientific community

B.8.C compare characteristics of taxonomic groups, including archaea, bacteria, protists, fungi, plants, and animals

Reporting Category 4: Biological Processes and Systems = 11 Questions The student will demonstrate an understanding of metabolic processes, energy conversions, and interactions and functions of systems in organisms.

Readiness Standards

Supporting Standards

B.10.A describe the interactions that occur among systems that perform the functions of regulation, nutrient absorption, reproduction, and defense from injury or illness in animals

B.9.B compare the reactants and products of photosynthesis and cellular respiration in terms of energy and matter

B.10.B describe the interactions that occur among systems that perform the functions of transport, reproduction, and response in plants

B.9.C identify and investigate the role of enzymes

B.10.C analyze the levels of organization in biological systems and relate the levels to each other and to the whole system

B.11.A describe the role of internal feedback mechanisms in the maintenance of homeostasis

Reporting Category 5: Interdependence within Environmental Systems = 11 Questions The student will demonstrate an understanding of the interdependence and interactions that occur within an environmental system and their significance.

Readiness Standards

Supporting Standards

B.11.D describe how events and processes that occur during ecological succession can change populations and species diversity

B.11.B investigate and analyze how organisms, populations, and communities respond to external factors

B.12.A interpret relationships, including predation, parasitism, commensalism, mutualism, and competition among organisms

B.11.C summarize the role of microorganisms in both maintaining and disrupting the health of both organisms and ecosystems

B.12.C analyze the flow of matter and energy through trophic levels using various models, including food chains, food webs, and ecological pyramids

B.12.B compare variations and adaptations of organisms in different ecosystems

B.12.F describe how environmental change can impact ecosystem stability

B.12.D recognize that long term survival of species is dependent on changing resource bases that are limited

B.12.E describe the flow of matter through the carbon and nitrogen cycles and explain the consequences of disrupting these cycles