Human Respiration Study App | IGCSE O Level Biology MCQs e-Book PDF
IGCSE O Level Biology MCQs (O Level) From Textbook

IGCSE O Level Biology MCQs – Mock Test 232

Human Respiration MCQ with Answers PDF Download – Test 232

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Learn Human Respiration MCQ with Answers PDF to enhance revision techniques. Download the Human Respiration Multiple Choice Questions (MCQs) PDF e-Book, Ch. 15-232 to study IGCSE O Level Biology Practice Tests. Study Respiration in Biology Test PDF, Human Respiration Multiple Choice Questions (MCQ Quiz) to achieve online success. Download the Human Respiration Study App: Free IGCSE O Level Biology MCQs App to study human respiration, anaesthetics and analgesics, stomata and functions, functions and composition test prep for biology virtual sessions.

Free "Human Respiration Study" App Download (iOS & Android): Number of bronchial tubes, left bronchus gets divided into are; MCQ with answers: three, two, varies in man, and depends on age of organism. Practice Respiration in Biology Questions and Answers, Google e-Book to download free chapter to enhance revision techniques.

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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