Grade 11 Biology Practice Questions: Diversity, Genetics, Evolution, and Human Anatomy
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Questions and Answers

What is the primary purpose of using a Punnett square in genetics?

  • To predict the probability of offspring having certain genotypes based on the parents' genotypes (correct)
  • To identify the dominant and recessive alleles in an individual
  • To calculate the number of chromosomes in a haploid cell
  • To determine the genotype of an individual based on its phenotype
  • Which of the following best describes the process of evolution?

  • The process by which organisms adapt to their environment through natural selection and genetic variation (correct)
  • The transformation of an individual organism's traits to better fit its environment
  • The ability of an organism to modify its genetic material in response to environmental changes
  • The deliberate change in an organism's genetic makeup over time
  • In human anatomy, which chamber of the heart receives deoxygenated blood from the body?

  • Right ventricle
  • Left ventricle
  • Left atrium
  • Right atrium (correct)
  • Which of the following is an example of a eukaryotic organism?

    <p>Fungi</p> Signup and view all the answers

    What is the purpose of using a Punnett square in genetics?

    <p>To predict the possible genetic outcomes of a cross between two individuals</p> Signup and view all the answers

    Which of the following is an example of a homologous structure related to evolution?

    <p>The wings of a bat and the wings of a bird</p> Signup and view all the answers

    Which process is responsible for the diversity of living things on Earth?

    <p>Natural selection</p> Signup and view all the answers

    In human anatomy, which system is responsible for producing blood cells and storing minerals?

    <p>Skeletal system</p> Signup and view all the answers

    The Hardy-Weinberg principle states that allele frequencies in a population will remain constant from generation to generation in the absence of disturbing factors.

    <p>True</p> Signup and view all the answers

    Genetic drift has a greater effect on small populations than on large populations.

    <p>True</p> Signup and view all the answers

    The tricuspid valve is responsible for preventing the backflow of blood from the right ventricle to the right atrium in the human heart.

    <p>True</p> Signup and view all the answers

    The somatic nervous system controls voluntary movements, while the autonomic nervous system regulates involuntary processes such as heart rate and digestion.

    <p>True</p> Signup and view all the answers

    Study Notes

    Genetics

    • The primary purpose of using a Punnett square is to predict the probability of different genotypes and phenotypes in offspring.
    • The Hardy-Weinberg principle states that allele frequencies in a population will remain constant from generation to generation in the absence of disturbing factors.

    Evolution

    • The process of evolution is responsible for the diversity of living things on Earth.
    • An example of a homologous structure related to evolution is not specified in the text, but homologous structures are features that are shared between different species because they evolved from a common ancestor.

    Human Anatomy

    • The right atrium receives deoxygenated blood from the body.
    • The tricuspid valve is responsible for preventing the backflow of blood from the right ventricle to the right atrium.
    • The system responsible for producing blood cells and storing minerals is the skeletal system.

    Organisms

    • An example of a eukaryotic organism is not specified in the text, but eukaryotic organisms are characterized by having cells with a true nucleus.

    Nervous System

    • The somatic nervous system controls voluntary movements.
    • The autonomic nervous system regulates involuntary processes such as heart rate and digestion.

    Population Genetics

    • Genetic drift has a greater effect on small populations than on large populations.

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    Description

    Test your knowledge with these practice questions focusing on the diversity of living things, genetics including Punnett squares, evolution, and human anatomy such as the heart and systems.

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