IGCSE O Level Biology Practice Test 260

Tissue Respiration Gas Exchange and Breathing Multiple Choice Questions (MCQ) PDF - 260

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Tissue Respiration Gas Exchange & Breathing Questions and Answers PDF Download: Quiz 260

MCQ 1296: Breathing occurs due to

A) chemical process

B) muscular contractions and movements of ribs

C) oxidation of organic molecules to release energy and water

D) physical process

MCQ 1297: Peas and beans split along the

A) pericarp

B) sutures

C) micropyle

D) radicle

MCQ 1298: Highest energy value is provided by

A) lipids

B) fats

C) starch

D) glucose

MCQ 1299: Reaction between sulfur dioxide and oxygen results in

A) sulfuric acid only

B) acid rain only

C) alkali rain

D) sulfuric acid and acid rain

MCQ 1300: All are compounds of carbon, but,

A) mineral salts

B) fats

C) vitamins

D) fiber

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Tissue Respiration Gas Exchange & Breathing Learning App & Free Study Apps

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