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Eleventh Grade (Grade 11) Science Questions

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Grade 11 :: Atomic Structure by Chemlover
Which scientist, using the gold-foil experiment, isolated the nucleus in 1911?
  1. J. J. Thomson
  2. Robert Millikan
  3. Niels Bohr
  4. Ernest Rutherford
Grade 11 :: Atomic Structure by Chemlover
What is the name of the researcher who isolated the neutron in 1932?
  1. J.J. Thomson
  2. Ernest Rutherford
  3. Robert Millikan
  4. James Chadwick
Grade 11 :: Atomic Structure by Chemlover
Which scientist isolated the proton from the nucleus in 1919?
  1. J.J. Thomson
  2. Ernest Rutherford
  3. Robert Millikan
  4. James Chadwick
Grade 11 :: Atomic Structure by Chemlover
What did JJ Thomson discover?
  1. Protons
  2. Neutrons
  3. Electrons
  4. Quarks
Grade 11 :: Atomic Structure by Chemlover
Who is the scientist that developed what is known as the "planetary model" of the atom?
  1. James Chadwick
  2. William Crookes
  3. Niels Bohr
  4. Ernest Rutherford
Grade 11 :: Atomic Structure by Chemlover
Grade 11 :: Atomic Structure by Chemlover
Which scientist used the cathode ray tube to isolate the electron in 1897?
  1. J.J. Thomson
  2. Niels Bohr
  3. Robert Millikan
  4. Ernest Rutherford
Grade 11 :: Atomic Structure by Chemlover
Grade 11 :: Atomic Structure by Chemlover
Rutherford proved all the following except
  1. Atoms are mostly made of empty space
  2. Atoms have space between them
  3. Atoms have negative electrical charge
  4. Atoms have a dense central core
Grade 11 :: Atomic Structure by Chemlover
Grade 11 :: Cell Structure and Function by jdb1400
                      is a sac-like organelle used for storage.
  1. Endoplasmic reticulum
  2. Golgi apparatus
  3. Cell membrane
  4. Vacuole
Grade 11 :: Cell Structure and Function by jdb1400
Grade 11 :: Cell Structure and Function by jdb1400
Grade 11 :: Cell Structure and Function by jdb1400
                  is formed by condensed chromatin.
  1. DNA
  2. Chromosomes
  3. Chlorophyll
  4. None of the above
Grade 11 :: Cell Structure and Function by jdb1400
Which of the following is NOT true about cell specialization?
  1. Only unicellular organisms have specialized cells.
  2. The human body contains many different cell types.
  3. Some cells are specialized to enable movement.
  4. Specialized cells perform particular functions within the organism.
Grade 11 :: Cell Structure and Function by jdb1400
Grade 11 :: Microbiology by jdb1400
A single-celled organism is also called a(an)                       .
  1. Multicellular organism
  2. Large organism
  3. Plant cell
  4. Unicellular organism
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