Class 10 Biology MCQs (Grade 10) From Textbook

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Class 10 Biology Placement Tests: Certification Test 1160

High School Biology Study App & e-Book: MCQ 1160

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MCQ: 1160

Which of the following interacts with the central nervous system to depress its activities?

  1. narcotics
  2. sedatives
  3. hallucinogens
  4. marijuana

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