Class 10 Biology Exam MCQs – Practice Test 12 (Chapter 7)

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Study Man and environment Notes Questions and Answers PDF for biology discovery learning tools. Download the Man and Environment Quiz Answers PDF e-Book, Ch. 7-12 to study Class 10 Biology Course. Practice Levels of Ecological Organization MCQ PDF, Man and Environment Quiz Questions and Answers for biology discovery learning tools. Download the Man and Environment Learning App: Free Class 10 Biology Notes App to levels of ecological organization, flows of materials and ecosystem energy, interactions in ecosystem, ecosystem balance and human impact, interactions in ecosystems test prep for biology online science tools.

Free "Man and Environment Learning" App Download with MCQ: To enable the materials locked up in dead organisms, the main role is played by; with answers: secondary consumers, primary consumers, decomposers, and detritivores. Practice Levels of Ecological Organization MCQ Questions, download Kobo e-Book (Free Chapter) to join virtual study programs.

Man and Environment MCQs – Practice Test 12 PDF Download

MCQ 56: To enable the materials locked up in dead organisms, the main role is played by:

primary consumers
secondary consumers
decomposers
detritivores

MCQ 57: The reservoir of gaseous nitrogen is classified as:

atmosphere
biosphere
abiotic community
biotic community

MCQ 58: The current level of urbanization in Pakistan is about:

0.3
0.34
0.35
0.32

MCQ 59: When the oxides of nitrogen (NO, NO₂) and sulfur (SO, SO₂, SO₃) interacts with water vapors then the acids produced are:

acetic and citric acid
sulphuric and nitric acid
hydrochloric and nitric acid
sulphuric and citric acid

MCQ 60: The interactions between different species members are known as:

intraspecific interactions
interspecific interactions
co-dominance interactions
dominance interactions

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