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What is Respiration MCQ: App Download & e-Book

IGCSE O Level Biology Online Tests

What is Respiration MCQ (Multiple Choice Questions) PDF Download

The What is Respiration Multiple Choice Questions (MCQ Quiz) with Answers PDF (What is Respiration MCQ PDF e-Book) download to learn IGCSE O Level Biology Tests. Study Respiration in Biology Multiple Choice Questions and Answers (MCQs), What is Respiration quiz answers PDF to study e-learning courses. The What is Respiration MCQ App Download: Free IGCSE O Level Biology Learning App for school level biology, human respiration, what is respiration, aerobic respiration and its waste test prep for best accredited online colleges.

The MCQ: Air pressure in thorax increases in; "What is Respiration" App Download [Free] with answers: anaerobic respiration, inspiration, expiration, and digestion to study e-learning courses. Practice What is Respiration Quiz Questions, download Apple eBook (Free Sample) for online college courses.

What is Respiration Questions and Answers PDF Download

MCQ: 1

Air pressure in thorax increases in

  1. anaerobic respiration
  2. inspiration
  3. expiration
  4. digestion
MCQ: 2

Blood entering the lungs contain very

  1. little oxygen (O2) only
  2. high carbon dioxide (CO2) only
  3. low carbon dioxide (CO2)
  4. little oxygen (O2) and high carbon dioxide (CO2)
MCQ: 3

In expiration in process of respiration

  1. the diaphragm relaxes and arches upwards
  2. air enters the lungs
  3. ribs move upwards
  4. sternum moves up and away from backbone
MCQ: 4

Stimulus for breathing is

  1. lack of oxygen in blood
  2. excess of carbon dioxide in blood
  3. contraction of alveoli
  4. diaphragm movements
MCQ: 5

In anaerobic respiration (without O2) in mammals, the wastes are

  1. water
  2. ethanol
  3. lactic acid
  4. carbon dioxide

IGCSE O Level Biology Practice Tests

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What is Respiration  MCQ App (Android & iOS)

What is Respiration MCQ App

O Level Biology  MCQ App (Android & iOS)

O Level Biology MCQ App

A level Biology  MCQ App (Android & iOS)

A level Biology MCQ App

10th Grade Biology  MCQ App (Android & iOS)

10th Grade Biology MCQ App