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10th Class Biology Chapter 16 Man and His Environment English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
An examples of carnivore plant is.
Choose an answer
Rose plant
Mosses
Pitcher plant
Ferns
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Question # 2
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 # 3
________ 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 # 4
Decomposers are.
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Algae and bacteria
Mosses
Animal
Bacteria and Fungi
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Question # 5
In the food chain ''grass→grasshopper''→sparrow→ hawk'',the secondary consumers is:
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grass
grasshopper
sparrow
hawk
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Question # 6
250 years age, the population of world was approximately ------------ million.
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400
500
600
700
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Question # 7
The utilization of nitrates by organisms is called.
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Nitrification
Ammonification
Assimilation
Denitrification
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Question # 8
Naturally found in graphite and diamond.
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Nitrogen
Oxygen
Hydrogen
Carbon
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Question # 9
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 # 10
Decomposers are:
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Algae and becteria
Mosses
Animal
Becteria and fungi
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Question # 11
All the population that live in a habitat and interact in various ways with one another are collectively called:
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ecosystem
community
biosphere
populations
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Question # 12
During nitrogen fixation nitrogen is converted into:
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Nitrates
nitrates
ammonia
all to these
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Question # 13
It is an example of primary consumers.
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Cattles
Snake
Lion
Tiger
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