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Online Tests
Biology 10th Class English Medium Chapter 16 Online Test MCQs With Answers
Question # 1
Ectoparasite is:
Choose an answer
Ascaris
Amoeba
Plasmodium
Leech
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Question # 2
One of these cycles is also nutrients cycles.
Choose an answer
Biogeochemical cycles
Carbon cycles
Water cycles
Nitrogen cycles
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Question # 3
________ is break down of the proteins of dead organisms to ammonia.
Choose an answer
Ammonification
Nitrification
Denitrification
None of these
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Question # 4
Which of the following air pollutant react with water in atmosphere producing acid rain?
Choose an answer
Hydrocarbons fluorine
Flyash, soot
chlorine , smoke
Sulphur dioxide, Nitrogen oxide.
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Question # 5
The factor of an ecosystem is:
Choose an answer
light
algae
bacteria
producers
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Question # 6
Organisms that make their own food with help of sunlight, CO and H
2
O are called.
Choose an answer
Consumers
Producers
Decomposers
Predators
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Question # 7
Nitrobactor bacteria converts nitrites into:
Choose an answer
nitrogen
nitrates
urea
ammonia
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Question # 8
During nitrogen fixation nitrogen is converted into:
Choose an answer
Nitrates
nitrates
ammonia
all to these
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Question # 9
The major process that brings carbon from atmosphere into living world is:
Choose an answer
Photosynthesis
Respiration
Both a and b
None of these
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Question # 10
Which one of the following is tertiary consumer.
Choose an answer
Owl
Larva of burtterfly
Deer
Rabbit
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Question # 11
In the food chain ''grass→grasshopper''→sparrow→ hawk'',the secondary consumers is:
Choose an answer
grass
grasshopper
sparrow
hawk
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Question # 12
Which of the following is the abiotic part of ecosystems?
Choose an answer
Grass
Goat
Lion
Soil
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Question # 13
Biospher surrounding the earth is about:
Choose an answer
17 km
18 km
19 km
20 km
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