Genetics and Earth Science Quiz
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Questions and Answers

What does genetics study?

  • The rise in the average temperature of the earth's atmosphere
  • The secretion of an endocrine gland transmitted by the blood
  • The full DNA sequence of an organism
  • The study of heredity and variation in organisms (correct)

What is the definition of gravity?

  • The force of attraction between all masses in the universe (correct)
  • The time required for something to fall to half its initial value
  • The type of environment in which an organism normally lives
  • A slowly moving mass of ice

What does the immune system do?

  • Produces the immune response
  • Draws a conclusion on the basis of circumstantial evidence
  • A system (including the thymus and bone marrow and lymphoid tissues)
  • Protects the body from foreign substances and pathogenic organisms (correct)

What is the definition of an insulator?

<p>A material with little electrical or thermal conductivity (B)</p> Signup and view all the answers

What is the definition of a hybrid?

<p>A composite of mixed origin (C)</p> Signup and view all the answers

What does the term 'implication' refer to?

<p>Something that is inferred (B)</p> Signup and view all the answers

What is the definition of an ion?

<p>A particle that is electrically charged positive or negative (A)</p> Signup and view all the answers

Which of the following is a compound that exists in forms having different arrangements of atoms but the same molecular weight?

<p>Isomer (B)</p> Signup and view all the answers

What is the junction by which parts or objects are linked together known as?

<p>Joint (C)</p> Signup and view all the answers

What is the mechanical energy that a body has by virtue of motion called?

<p>Kinetic energy (B)</p> Signup and view all the answers

Which type of rock is altered by pressure and heat?

<p>Metamorphic rock (D)</p> Signup and view all the answers

What is the product of a body's mass and its velocity called?

<p>Momentum (A)</p> Signup and view all the answers

What is the process by which a cell divides into two smaller cells known as?

<p>Mitosis (A)</p> Signup and view all the answers

Which subatomic particle has zero charge?

<p>Neutron (A)</p> Signup and view all the answers

What does Newton's first law of motion state?

<p>'A body remains at rest or in motion with a constant velocity unless acted upon by an external force.' (D)</p> Signup and view all the answers

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