O Level Courses

IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 320

Pollution Causes Multiple Choice Questions (MCQ) PDF - 320

The Pollution Causes MCQ with Answers PDF, Pollution Causes Multiple Choice Questions (MCQs) PDF Download e-Book Ch. 7-320 to prepare IGCSE O Level Biology Practice Tests. Study Effects of Human Activity on Ecosystem Test PDF, Pollution Causes Multiple Choice Questions (MCQ Quiz) for schools that offer certificate programs. The Pollution Causes MCQ Quiz App Download: Free certification app for pollution causes, heroin effects, disadvantages of excess vitamins, hydrolysis, spinal nerves test prep to learn online IGCSE GCSE courses.

The MCQ Quiz: Volcanic eruptions, biological decay and forest fires releases; "Pollution Causes" App (Play Store & App Store) with answers: Carbon dioxide in air; Carbon monoxide in air; Sulpher dioxide in air; Ammonia in air; for schools that offer certificate programs. Practice Effects of Human Activity on Ecosystem Questions and Answers, Apple Book to download free sample for online degree programs.

Pollution Causes Questions and Answers PDF Download: Quiz 320

MCQ 1596:

Volcanic eruptions, biological decay and forest fires releases

  1. Carbon monoxide in air
  2. carbon dioxide in air
  3. sulpher dioxide in air
  4. ammonia in air
MCQ 1597:

AIDS is caused due to

  1. sharing injection needles
  2. transmission of immunodeficiency virus
  3. unsterilized injection needles
  4. all of above
MCQ 1598:

Over-consumption of Vitamins may result in

  1. scurvy
  2. beriberi
  3. rickets
  4. death
MCQ 1599:

Water acts as a reactant in

  1. polymerization
  2. condensation
  3. oxidation
  4. hydrolysis
MCQ 1600:

Dorsal root of spinal nerve contains

  1. receptor neurons
  2. effector neurons
  3. motor neurons
  4. none of others

IGCSE O Level Biology Exam Prep Tests

Pollution Causes Learning App: Free Download Android & iOS

The App: Pollution Causes MCQ App to study Pollution Causes textbook, O Level Biology MCQs App, and Cell Biology MCQs App. The "Pollution Causes" App to free download iOS & Android Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Pollution Causes App (Android & iOS)

Pollution Causes App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

Cell Biology App (Android & iOS)

Cell Biology App (Android & iOS)

10th Grade Biology App (Android & iOS)

10th Grade Biology App (iOS & Android)