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10th Class Biology Chapter 16 Man and His Environment English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The nitrate forming bacteria are.
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Rhizobium
Nitrosomonas
Nitrobacter
Cocci
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Question # 2
Primary source of energy for all ecosystem is.
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Electricity
Sun
Fire
Nutrients
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Question # 3
The basic tropic level of all food chain is.
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Producers
Consumers
Decomposers
Reducers
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Question # 4
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 # 5
In an ecosystem the flow of _________ is one way, while _________ is/are constantly recycled.
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Minerals, energy
Energy minerals
Oxygen, Energy
Glucose, water
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Question # 6
Example of Endoparasite is:
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Plasmodium
Mosquito
Leech
Lices
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Question # 7
Which of the following is the abiotic part of ecosystems?
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Grass
Goat
Lion
Soil
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Question # 8
An example of Endoparasite.
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Mosquitoes
Leech
Plasmodium
Lice
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Question # 9
it is example of secondary consumer.
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Cattle
Snake
Lion
Frog
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Question # 10
One of these cycles is also nutrients cycles.
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Biogeochemical cycles
Carbon cycles
Water cycles
Nitrogen cycles
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Question # 11
All herbivore animals are.
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Grass eater
Parasites
Predators
Prey
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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
At the end of a long food chian the energy will be.
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Will more
As same as at start
Will less
Zero
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