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Science

102 questions

Question 61medium2 marks

Which blood cells are primarily responsible for immunity?

  • A. Platelets
  • B. Plasma
  • C. Red blood cells
  • D. White blood cells
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Question 62medium2 marks

Which vitamin is primarily synthesized in the skin on exposure to sunlight?

  • A. Vitamin C
  • B. Vitamin K
  • C. Vitamin A
  • D. Vitamin D
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Question 63easy2 marks

Which vitamin is primarily synthesized in the skin on exposure to sunlight?

  • A. Vitamin A
  • B. Vitamin D
  • C. Vitamin K
  • D. Vitamin C
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Question 64easy2 marks

Which blood cells are primarily responsible for immunity?

  • A. Red blood cells
  • B. Plasma
  • C. Platelets
  • D. White blood cells
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Question 65medium2 marks

Which blood cells are primarily responsible for immunity?

  • A. Plasma
  • B. Red blood cells
  • C. White blood cells
  • D. Platelets
Sign in to see the correct answer and explanation.
Question 66easy2 marks

Which blood cells are primarily responsible for immunity?

  • A. Red blood cells
  • B. White blood cells
  • C. Plasma
  • D. Platelets
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Question 67medium2 marks

What is the SI unit of electric current?

  • A. ampere
  • B. watt
  • C. volt
  • D. ohm
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Question 68easy2 marks

What is the SI unit of electric current?

  • A. volt
  • B. ohm
  • C. watt
  • D. ampere
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Question 69easy2 marks

What is the SI unit of electric current?

  • A. watt
  • B. ampere
  • C. ohm
  • D. volt
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Question 70medium2 marks

Which vitamin is primarily synthesized in the skin on exposure to sunlight?

  • A. Vitamin K
  • B. Vitamin D
  • C. Vitamin A
  • D. Vitamin C
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