Class 10 Biology MCQs - Chapter 7

Man and Environment Multiple Choice Questions (MCQ) PDF - 12

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Man and Environment Questions & Answers PDF Download: MCQ Quiz 12

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

A) primary consumers

B) secondary consumers

C) decomposers

D) detritivores

MCQ 57: The reservoir of gaseous nitrogen is classified as

A) atmosphere

B) biosphere

C) abiotic community

D) biotic community

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

A) 0.3

B) 0.34

C) 0.35

D) 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

A) acetic and citric acid

B) sulphuric and nitric acid

C) hydrochloric and nitric acid

D) sulphuric and citric acid

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

A) intraspecific interactions

B) interspecific interactions

C) co-dominance interactions

D) dominance interactions

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