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Twelfth Grade (Grade 12) Science Questions

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Grade 12 Physics
Which principle governs the motion of objects in projectile motion
  1. Newton's first law of motion
  2. Newton's second law of motion
  3. Momentum conservation
  4. Newton's third law of motion
Grade 12 Physics
Which of the following statements is true regarding momentum?
  1. Momentum depends only on an object's mass
  2. Momentum is a vector quantity
  3. Momentum is conserved only in elastic collisions
  4. Momentum is measured in joules
Grade 12 Physics
How are valence electrons represented in Lewis dot structures?
  1. As lines connecting atoms
  2. As dots surrounding the atomic symbol
  3. As circles within the electron cloud
  4. As arrows pointing towards the nucleus
Grade 12 Nervous and Endocrine Systems
Grade 12 Physics
What are the two energy-rich compounds produced during the light-dependent reactions?
  1. ATP and glucose
  2. NADPH and CO2
  3. Glucose and oxygen
  4. ATP and NADPH
Grade 12 Physics
What phase will the sun enter once it has exhausted its hydrogen fuel?
  1. White dwarf
  2. Red giant
  3. Neutron star
  4. Black hole
Grade 12 Physics
Why is nuclear fusion considered a cleaner energy source compared to nuclear fission?
  1. It does not produce radioactive waste
  2. It produces no greenhouse gases and less radioactive waste
  3. It generates energy at lower temperatures
  4. It uses fossil fuels as a primary input
Grade 12 Physics
What is nuclear fusion?
  1. The process of splitting heavy atomic nuclei
  2. The combination of lighter atomic nuclei into a heavier one
  3. The decay of radioactive materials
  4. The splitting of light atomic nuclei into smaller particles
Grade 12 Physics
In a free-falling scenario, what is true just before an object impacts the ground?
  1. The object has maximum potential energy
  2. The object has zero kinetic energy
  3. The object has minimum potential energy and maximum kinetic energy
  4. The object is at rest
Grade 12 Physics
What type of motion does a simple pendulum exhibit?
  1. Linear motion
  2. Circular motion
  3. Simple harmonic motion
  4. Random motion
Grade 12 Anatomical Organization
In anatomical position,                                                                                                                                       .
  1. the body is erect with the feet parallel and the arms lateral to the thoracic and abdominal regions, with the palms facing posteriorly
  2. the body is prone with the feet parallel and the arms lateral to the thoracic and abdominal regions, with the palms facing posteriorly
  3. the body is supine with the feet parallel and the arms lateral to the thoracic and abdominal regions, with the palms facing anteriorly
  4. the body is erect with the feet parallel and the arms lateral to the thoracic and abdominal regions, with the palms facing anteriorly
Grade 12 Anatomical Organization
The transverse plane divides the body                                         .
  1. diagonally
  2. horizontally
  3. vertically, into front and back portions
  4. vertically, into left and right portions
Grade 12 Cell Structure and Function
Which of the following is NOT a component of the cell theory?
  1. All living things are composed of cells.
  2. All cells come from preexisting cells.
  3. Cells carry genetic information in the form of DNA.
  4. All living things contain a mitochondria.
  5. Cooperation among cells allow for complex functioning in living things.
Grade 12 Physics
What type of motion do water particles exhibit in deep water?
  1. Linear motion
  2. Orbital motion
  3. Random motion
  4. Zigzag motion
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