O Level

Biology MCQs

O Level Biology MCQs - Subtopic

Ecology and Environment MCQ with Answers

Ecology and Environment Multiple Choice Questions (MCQ) to practice ecology and environment quiz answers PDF, O level biology worksheets for online degrees. Solve ecology: o level biology Multiple Choice Questions and Answers (MCQs), "Ecology and Environment" quiz questions and answers for schools that offer certificate programs. Learn parasitism: malarial pathogen, biotic and abiotic environment, physical environment: water test prep for accelerated bachelors degree online.

"In a community, food chains are linked together to form" Multiple Choice Questions (MCQ) on ecology and environment with choices ecological niche, food niche, food web, and ecosystem for schools that offer certificate programs. Solve ecology and environment quiz questions for merit scholarship test and certificate programs to learn free online courses.

MCQs on Ecology and Environment


In a community, food chains are linked together to form

ecological niche
food niche
food web


In context to ecology ,hydrophytes may be

partially submerged
fully submerged
free floating
all of above


In plants, seed formation occurs when the

flowering season starts
environment is suitable for growth
unfavorable season approaches
fruit turns lumpy


Organisms capable to convert radiant energy in chemical energy are



Due to osmotic problems in freshwater bony fish, kidneys have to

produce concentrated urine
reabsorb water
produce dilute urine
release water