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10th Class Biology Chapter 16 Man and His Environment English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Which of the following is not an example of green house gas?
Choose an answer
CO
2
Methane
Oxygen
Nitrous oxide
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Question # 2
The type of symbiotic relationship in which one member get benefit and other is harmed is called.
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Parasitism
Mutualism
Commensalism
Predation
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Question # 3
Conversion of Nitrates into nitrogen gas is called.
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Denitrification
Assimilation
Ammonification
Nitrogen fixtation
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Question # 4
Nitrobactor bacteria converts nitrites into:
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nitrogen
nitrates
urea
ammonia
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Question # 5
All Ecosystem of the world join and makes.
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Biosphere
Heterosphere
Geosphere
Hydrosphere
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Question # 6
The major process that brings carbon from atmosphere into living world is:
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Photosynthesis
Respiration
Both a and b
None of these
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Question # 7
Largest unit of Ecology is.
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Species
Community
Ecosystem
Biosphere
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Question # 8
When we eat the onion, our trophic level is
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Primary consumer
Secondary consumer
Decomposer
Producers
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Question # 9
Naturally found in graphite and diamond.
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Nitrogen
Oxygen
Hydrogen
Carbon
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Question # 10
Which of the following is the abiotic part of ecosystems?
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Grass
Goat
Lion
Soil
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Question # 11
Ectoparasite is
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Ascaris
Amoeba
Leech
Plasmodium
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Question # 12
The study of the ralationship between orgaisms and their environment called:
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Biology
Microbiology
Ecology
Genetics
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Question # 13
Biospher surrounding the earth is about:
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17 km
18 km
19 km
20 km
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