O Level

Biology Quizzes

O Level Biology MCQs - Complete

Deforestation and Pollution Quiz Questions and Answers p. 7

Deforestation and Pollution quiz questions and answers, deforestation and pollution MCQs with answers PDF 7 to practice O level biology mock tests for online college programs. Practice "Effects of Human Activity on Ecosystem" quiz questions with answers, deforestation and pollution Multiple Choice Questions (MCQ) for online college degrees. Free deforestation and pollution MCQs, sensitivity in biology, types of drugs, conditions essential for photosynthesis, spinal cord and nerves, deforestation and pollution test prep for SAT practice test.

"Consequences of water pollution include", deforestation and pollution Multiple Choice Questions (MCQ) with choices burning of fossil fuels, discharge of untreated sewage, loss of habitat, and climatic changes for best online colleges for teaching degree. Learn effects of human activity on ecosystem questions and answers to improve problem solving skills for best SAT prep courses online.

Quiz on Deforestation and Pollution


Consequences of water pollution include

discharge of untreated sewage
burning of fossil fuels
loss of habitat
climatic changes


Carbon dioxide (CO2) concentration is measured in blood through

receptors in lungs
receptors in esophagus
receptors in blood vessels in neck


The plant can be de starched in

14 hours
24 hours
42 hours
48 hours


All is true for local anesthesia, but,

that it causes local numbness
it causes a loss of sensation in the area being injected
contains Cocaine
cause gastric ulcers


Characteristics essential for sensitivity includes

well developed brain
specialized sense organs
well developed nervous system
all of above