Class 10 Biology MCQs – Practice Test 9 (Chapter 7)

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The MCQ: Since 1800 the amount of carbon dioxide in the atmosphere has increased; "Man and Environment MCQs" App Download [Free] with answers: 0.25, 0.2, 0.5, and 0.3 to study online courses. Solve Interactions in Ecosystem MCQ Questions, download Google e-Book (Free Chapter) for distance learning.

Man and Environment MCQs – Practice Test 9 PDF Download

MCQ 41: Since 1800 the amount of carbon dioxide in the atmosphere has increased:

0.2
0.25
0.5
0.3

MCQ 42: The tertiary consumers that are fed on primary carnivores are also known as:

primary carnivores
tertiary carnivores
secondary carnivores
secondary herbivores

MCQ 43: The substances that cause pollution are:

chemicals
pollutants
gases
bad substances

MCQ 44: The group of consumers in an ecosystem includes:

viruses
bacteria
plants
animals

MCQ 45: The fish aquarium is best classified as an example of:

natural biosphere
artificial biosphere
artificial ecosystem
natural ecosystem

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