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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 organisms are decomposers?
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Fungi
Algae
Bacteria
Both a and c
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Question # 2
Conversion of urea and uric acid into Ammonia is called.
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Assimilation
Nitrogen fixation
Ammonification
Biological fixation
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Question # 3
Example of Ectoparasite is:
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Becteria
Virus
Ascaris
Mosquito
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Question # 4
Which one of the following is a tertiary consumer:
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Owl
Larwa of butterfly
Deer
Rabbit
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Question # 5
________ is break down of the proteins of dead organisms to ammonia.
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Ammonification
Nitrification
Denitrification
None of these
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Question # 6
A group of organisms of same species living in a particular area is called.
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Population
Coummunity
Abiotic factor
Ecology
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Question # 7
In 1927,................ developed the concept of ecological pyramids.
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Kelvin
Lamark
Charles Elton
Charles Darwin
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Question # 8
The study of the ralationship between orgaisms and their environment called:
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Biology
Microbiology
Ecology
Genetics
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Question # 9
Which is tertiary carnivore.
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Deer
Frog
Snake
Lion
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Question # 10
The total amount of living matter in an ecosystem at any time is called.
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Biomass
Energy
Food Chain
Food web
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Question # 11
A relationship between two organisms in which individual of one species may kill and eat individuals of other species is called.
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Symbiosis
Competition
Predation
Mutualism
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Question # 12
Nitrobactor bacteria converts nitrites into:
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nitrogen
nitrates
urea
ammonia
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Question # 13
The type of symbiotic relationship in which one member get benefit and other is unaffected is called.
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Parasitism
Mutualism
Commensalism
Predation
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Question # 14
R-3 means.
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Less use
Reuse
Recycle
Refuse
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