IGCSE O Level Biology MCQs (O Level) From Textbook

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IGCSE O Level Biology MCQs – Mock Test 232

Human Respiration MCQ with Answers PDF Download – Test 232

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The Human Respiration MCQ with Answers PDF (Human Respiration Multiple Choice Questions (MCQs) PDF e-Book) download Ch. 15-232 to study IGCSE O Level Biology Practice Tests. Study Respiration in Biology Test PDF, Human Respiration Multiple Choice Questions (MCQ Quiz) for free online college classes. Download the IGCSE O Level Biology MCQs App: Free Human Respiration MCQs App to study human respiration, anaesthetics and analgesics, stomata and functions, functions and composition test prep to learn online schools courses.

The MCQ: Number of bronchial tubes, left bronchus gets divided into are; "Human Respiration" App (Free Android & iOS) with answers: three, two, varies in man, and depends on age of organism for free online college classes. Practice Respiration in Biology Questions and Answers, Google e-Book to download free chapter for GRE test prep classes.

Human Respiration MCQ – Mock Test 232 PDF Download

MCQ: 1156

Number of bronchial tubes, left bronchus gets divided into are

  1. two
  2. three
  3. depends on age of organism
  4. varies in man
MCQ: 1157

Example of analgesics include

  1. Caffeine
  2. Cocaine
  3. Novocain
  4. Aspirin
MCQ: 1158

Which is true about stomata , it closes in

  1. strong wind
  2. night
  3. very high temperatures
  4. strong wind and night
MCQ: 1159

Function of trace elements is to trace the benefits of

  1. minerals
  2. vitamins
  3. proteins
  4. none of others
MCQ: 1160

Basic building block of protoplasm is

  1. lipids
  2. amino acids
  3. unsaturated fats
  4. cytoplasm

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Human Respiration MCQs App (Android & iOS)

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