Cambridge Online Courses (GCSE)

O Level Biology Quizzes

O Level Biology Quiz PDF - Complete

Pollution Causes Multiple Choice Questions p. 320

Study Pollution Causes multiple choice questions and answers, pollution causes quiz answers PDF 320 to study O Level Biology course online. Effects of Human Activity on Ecosystem MCQ trivia questions, pollution causes Multiple Choice Questions (MCQ) for online college degrees. "Pollution Causes MCQ" PDF eBook: spinal nerves, hydrolysis, disadvantages of excess vitamins, heroin effects, pollution causes test prep for two year degree programs.

"Volcanic eruptions, biological decay and forest fires releases" MCQ PDF: carbon dioxide in air, carbon monoxide in air, sulpher dioxide in air, and ammonia in air for best two year degrees. Learn effects of human activity on ecosystem questions and answers to improve problem solving skills for online degrees.

Pollution Causes Questions and Answers MCQs

MCQ: Volcanic eruptions, biological decay and forest fires releases

Carbon monoxide in air
carbon dioxide in air
sulpher dioxide in air
ammonia in air

MCQ: AIDS is caused due to

sharing injection needles
transmission of immunodeficiency virus
unsterilized injection needles
all of above

MCQ: Over-consumption of Vitamins may result in


MCQ: Water acts as a reactant in


MCQ: Dorsal root of spinal nerve contains

receptor neurons
effector neurons
motor neurons
none of others