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10th Class Biology Chapter 16 Man and His Environment English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
All populations collectively are called:
Choose an answer
Species
Biome
Community
Ecosystem
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Question # 2
The nitrate forming bacteria are.
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Rhizobium
Nitrosomonas
Nitrobacter
Cocci
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Question # 3
An organism that actively hunts other organisms is called.
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Prey
Predator
Parasite
Host
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Question # 4
An example of carnivores plant is:
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Mosses
Ferns
Rose Plant
Sundew
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Question # 5
Decomposers are:
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Algae and becteria
Mosses
Animal
Becteria and fungi
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Question # 6
Primary source of energy for all ecosystem is.
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Electricity
Sun
Fire
Nutrients
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Question # 7
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 # 8
In the food chain tree.... caterpillar.. robin..hawk....coyote, which is secondary consumer?
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Caterpillar
Robin
Hawk
Coyote
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Question # 9
________ 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 # 10
Decomposers are.
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Algae and bacteria
Mosses
Animal
Bacteria and Fungi
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Question # 11
The materials flow forms one trophic level to the next by means of:
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food chains
food webs
energy pyramids
both A and B
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Question # 12
Abiotic component of the ecosystem is:
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Producers
Consumers
Decomposers
Light
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Question # 13
A relationship between species in which both species benefit is called.
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Parasitism
Mutualism
Symbiosis
Commensalism
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