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IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 105

GCE Biology Quiz Questions and Answers PDF - 105

Free GCE Biology Quiz Questions and Answers PDF (GCE Biology Quiz with Answers PDF e-Book) download Ch. 19-105 to prepare IGCSE O Level Biology Practice Tests. Solve What Are Enzymes MCQ with answers PDF, GCE Biology Multiple Choice Questions (MCQ Quiz) for online college degrees. The GCE Biology Quiz App: Download free learning app for gce biology, parasitism: malarial pathogen, atmospheric pollution, wind dispersed fruits and seeds, thyroxin function test prep for online associates degree.

The Quiz: Enzymes are largely composed of; "GCE Biology" App Download (Free) with answers ‘carbohydrates’, ‘fat’, ‘proteins’ and ‘minerals’ for online certificate programs. Learn What Are Enzymes Questions and Answers, Amazon eBook to download free sample for best SAT prep courses online.

GCE Biology Questions and Answers PDF Download: Quiz 105

MCQ 521: Enzymes are largely composed of

  1. fat
  2. carbohydrates
  3. proteins
  4. minerals

MCQ 522: Larvae breath through the help of

  1. feeding brushes
  2. pair of air floats
  3. pair of spiracles
  4. pair of gills

MCQ 523: Profuse growth of algae occurs due to

  1. hydrogen sulphide in water
  2. nitrates and phosphates in water
  3. carbon dioxide in water
  4. chlorine in water

MCQ 524: Small size and light weight ensures

  1. proper seed dispersal
  2. seed dispersal through wind
  3. seed dispersal through water
  4. seed dispersal through insects

MCQ 525: Apart from other reasons, excess thyroxin may cause

  1. myxedema
  2. heart attack
  3. meningitis
  4. obesity

IGCSE O Level Biology Exam Prep Tests

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GCE Biology App (Android & iOS)

GCE Biology App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

Molecular Biology App (Android & iOS)

Molecular Biology App (Android & iOS)

A level Biology App (Android & iOS)

A level Biology App (iOS & Android)