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Eleventh Grade (Grade 11) Biology Questions

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Grade 11 Communities, Populations, and Ecosystems
Which list is the levels of organization in an ecosystem in the correct order?
  1. population, community, ecosystem, individual
  2. community, population, ecosystem, individual
  3. individual, community, population, ecosystem
  4. individual, population, community, ecosystem
Grade 11 Microbiology
Cocci that appear in clusters or groups are                .
  1. diplococci
  2. streptococci
  3. staphylococci
  4. micrococci
Grade 11 Biotic and Abiotic
The amount of biomass produced in a given area during a given amount of time is                .
  1. productivity
  2. biodiversity
  3. ecology
  4. sustainability
Grade 11 Evolution
Evolution is a change in the                       , not the                       .
  1. individual; population
  2. population; genes
  3. population; individual
  4. Individual; gene
Grade 11 Evolution
What preserved remains provide evidence of how life changes over time?
  1. structures
  2. fossils
  3. finches
  4. Galapagos
Grade 11 Biogeochemical Cycles

This question is a part of a group with common instructions. View group »

What is the process by which carbon is released into the atmosphere from cars, homes, and factories?
  1. respiration
  2. transpiration
  3. photosynthesis
  4. combustion
Grade 11 Food Chains and Webs
In the food chain of plants --> mouse --> snake --> hawk, what might happen to the mouse population if snakes are removed from the ecosystem?
  1. The mouse population will decrease.
  2. The mouse population will increase.
  3. The mouse population will stay the same.
  4. It is impossible to predict.
Grade 11 Nervous and Endocrine Systems
Which part of the brain controls the functioning of many organs?
  1. cerebrum
  2. medulla oblongata
  3. ventricle
  4. atrium
Grade 11 Human Reproduction
What is the male reproductive cell?
  1. sperm
  2. semen
Grade 11 Human Reproduction
The female sex hormone responsible for secondary sex characteristics is
  1. testosterone.
  2. estrogen.
  3. progesterone.
  4. follicle-stimulating hormone.
Grade 11 Anatomical Organization
The shoulder is                 to the elbow.
  1. inferior
  2. proximal
  3. distal
  4. medial
Grade 11 DNA, RNA, and Genetics
The gene combination for a trait (e.g., rr, Rr) is its
  1. phenotype.
  2. genotype.
  3. domotype.
  4. charactype.
Grade 11 Development and Reproduction
An amoeba, a single-celled eukaryote, reproduces through                .
  1. cell division
  2. meiosis
  3. regeneration
  4. fusion
Grade 11 Communities, Populations, and Ecosystems
Some species are so important to the functioning of an ecosystem that they are called                   .
  1. threatened species
  2. keystone species
  3. endangered species
  4. exotic species
Grade 11 Biochemistry
The ability of water to "stick" to other substances is
  1. specific heat.
  2. surface tension.
  3. adhesion.
  4. density.
Grade 11 Skin, Skeleton, and Muscles
Blood is classified as what tissue type?
  1. nervous
  2. muscle
  3. epithelial
  4. connective
  5. columnar
Grade 11 Nervous and Endocrine Systems
The central nervous system
  1. is the largest and most prominent region of the human brain.
  2. consists of the brain and the spinal cord.
  3. is the second largest region of the human brain.
  4. regulates activities that are autonomic, or involuntary.
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