Class 9 Courses

Chapter 9: Class 9 Biology Exam Tests

Class 9 Biology MCQs - Chapter 9

Transport Trivia Questions and Answers PDF - 16

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The Trivia Quiz: Considering cardiac cycle, sound "dub" is produced when; "Transport" App APK Download with answers: Ventricles contract; Ventricles relax; Atria contracts; Atria relax; to study online certification courses. Practice Pulmonary and Systemic Circulation MCQ Questions, download Kindle eBook (Free Sample) for virtual online school.

Transport Questions & Answers PDF Download: MCQ Quiz 16

MCQ 76:

Considering the cardiac cycle, the sound "dub" is produced when the

  1. ventricles relax
  2. ventricles contract
  3. atria contracts
  4. atria relax
MCQ 77:

The person having both antigens A and B on the surface of RBCs has blood group

  1. O
  2. AB
  3. B
  4. A
MCQ 78:

The antigens that differentiate one blood group from another are

  1. antigen A and B
  2. antigen C and D
  3. antigen O and A
  4. antigen O and B
MCQ 79:

The time for atrial systole in one heartbeat is

  1. 0.7 seconds
  2. 0.1 seconds
  3. 0.3 seconds
  4. 0.4 seconds
MCQ 80:

The places in the human body where the artery is closed to the skin include

  1. wrist
  2. top of foot
  3. neck
  4. all of above

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9th Grade Biology App (Android & iOS)

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