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IGCSE O Level Biology Entrance Tests: Mock Test 48

Free Online Biology Multiple Choice Questions (MCQs) PDF Download - 48

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The Free Online Biology MCQ with Answers PDF (Free Online Biology Multiple Choice Questions (MCQs) PDF e-Book) download Ch. 15-48 to study IGCSE O Level Biology Practice Tests. Study Respiration in Biology Test PDF, Free Online Biology Multiple Choice Questions (MCQ Quiz) to learn online certificate courses. Free IGCSE O Level Biology MCQs App Download: Free Online Biology MCQs e-Book PDF to study free online biology, voluntary and reflex actions, nutrition: introduction, central nervous system test prep to learn online certification courses.

The MCQ: Breathing mechanism include; "Free Online Biology" App (Free Android & iOS) with answers: external respiration, internal respiration, transportation, and expiration to learn online certificate courses. Practice Respiration in Biology Questions and Answers, Google eBook to download free sample for ACT test.

Free Online Biology MCQ Quiz with Answers PDF Download: Test 48

MCQ: 236

Breathing mechanism include

  1. internal respiration
  2. external respiration
  3. expiration
  4. transportation
MCQ: 237

Overall control of all voluntary action is gained through

  1. medulla oblongata
  2. Cerebral hemisphere
  3. cerebellum
  4. pituitary gland
MCQ: 238

Ulcers can be diagnosed through

  1. x-rays
  2. endoscopy
  3. ultrasounds
  4. biosensors
MCQ: 239

In spinal cord, the grey matter

  1. surrounded by white matter
  2. surrounds the white matter
  3. does not exist
  4. forms nerves
MCQ: 240

In each villus, the sugars and amino acids are diffused in

  1. lymphatic capillary
  2. blood vessels
  3. microvilli
  4. large intestines

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