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Eleventh Grade (Grade 11) Biology Questions

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Grade 11 DNA, RNA, and Genetics
The passing of traits from parent to offspring is
  1. genetics.
  2. heredity.
  3. traits.
  4. Punnett squares.
Grade 11 Biochemical Pathways
Grade 11 Biochemical Pathways
Which chemical equation correctly represents photosynthesis?
  1. [math]H_2O + CO_2 + sunlight rarr O_2 + "glucose"[/math]
  2. [math]H_2O + O_2 + sunlight rarr CO_2 + "glucose"[/math]
  3. [math]O_2 + "glucose" rarr H_2O + CO_2 + "energy"[/math]
  4. [math]CO_2 + "glucose" rarr H_2O + O_2 + "energy"[/math]
Grade 11 DNA, RNA, and Genetics
Mutations are a source of
  1. genetic equilibrium.
  2. disruptive selection.
  3. speciation.
  4. genetic variation.
Grade 11 Cell Structure and Function
Which is a function of the plasma membrane?
  1. breaks down lipids, carbohydrates, and proteins from foods
  2. stores water, salt, proteins, and carbohydrates
  3. keeps the cell wall in place
  4. regulates which materials enter and leave the cell
Grade 11 Evolution
Breeding cats to produce only white ones is an example of
  1. modification selection.
  2. breed selection.
  3. natural selection.
  4. artificial selection.
Grade 11 DNA, RNA, and Genetics
The gene combination of two dominant genes or two recessive genes is
  1. phenotype.
  2. genotype.
  3. heterozygous.
  4. homozygous.
Grade 11 Nervous and Endocrine Systems
Anything that causes a response from an organism is a(n)
  1. response.
  2. stimulus.
  3. irritablilty.
  4. technique.
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 Communities, Populations, and Ecosystems
Which scenario best illustrates the concept of carrying capacity?
  1. The exponential growth of a fruit fly population continues to increase and will eventually double in ten days.
  2. The exponential growth of ants increases dramatically when its competitor species is forced to move due to habitat loss.
  3. The logistic growth of a giraffe population continues to decline due to the increase in number of predators.
  4. The logistic growth of a bunny population has stabilized because the population has reached the largest numbers that the area can support.
Grade 11 Food Chains and Webs
What is an organism that eats only plants?
  1. carnivore
  2. detrivore
  3. herbivore
  4. omnivore
Grade 11 Anatomical Organization
Grade 11 Macromolecules
Which is a general term attributed to a large and complex molecule?
  1. nucleic acid
  2. macromolecule
  3. polymer
  4. phosphate
Grade 11 Evolution
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.
Grade 11 DNA, RNA, and Genetics
The different forms of the same gene are
  1. traits.
  2. genes.
  3. alleles.
  4. genotypes.
Grade 11 Cell Structure and Function
What is the first stage of mitosis?
  1. anaphase
  2. metaphase
  3. prophase
  4. telophase
Grade 11 Human Reproduction
Grade 11 Evolution
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