IGCSE O Level Biology Practice Test 320
Pollution Causes Multiple Choice Questions (MCQs) PDF Download - 320
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The Pollution Causes MCQ with Answers PDF (Pollution Causes Multiple Choice Questions (MCQs) PDF e-Book) download 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 MCQ Quiz with Answers PDF Download: Test 320
Volcanic eruptions, biological decay and forest fires releases
- Carbon monoxide in air
- carbon dioxide in air
- sulpher dioxide in air
- ammonia in air
AIDS is caused due to
- sharing injection needles
- transmission of immunodeficiency virus
- unsterilized injection needles
- all of above
Over-consumption of Vitamins may result in
- scurvy
- beriberi
- rickets
- death
Water acts as a reactant in
- polymerization
- condensation
- oxidation
- hydrolysis
Dorsal root of spinal nerve contains
- receptor neurons
- effector neurons
- motor neurons
- none of others
IGCSE O Level Biology Exam Prep Tests
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