301.
The Great Barrier Reef along the east coast of Australia can be categorized as A
Population
B
Community
C
Ecosystem
D
Biome
Answer :
Ecosystem
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302.
Veldts of Africa & Pampas of south America are A
Rain forest biomes
B
Chaparral biomes
C
Temperate biomes
D
Grassland biomes
Answer :
Grassland biomes
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303.
Phytotron is a device by which A
Electrons are bombarded
B
Protons are liberated
C
Plants are grown in controlled environment
D
Mutations are produced in plants
Answer :
Plants are grown in controlled environment
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304.
Stable plant community formed during succession is called A
Serecommunity
B
Climaxcommunity
C
Dominant community
D
Ecotone
Answer :
Climaxcommunity
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305.
Vultures in an ecosystem are A
Predators
B
Scavangers
C
Consumers
D
Top carnivores
Answer :
Scavangers
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306.
According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health A
1.0 or less
B
5.2 - 2.5
C
2.5 or less
D
1.5 or less
Answer :
2.5 or less
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307.
The pyramid of number in a grassland ecosystem is A
Linear
B
Upright
C
Irregular
D
Inverted
Answer :
Upright
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308.
Ecosystem has A
Plant and animal
B
Airand H2 O
C
Soil and light
D
Biotic and biotic component
Answer :
Biotic and biotic component
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309.
Nepenthes (Insectivorous pitcher plant) is A
Producer
B
Consumer
C
A and B both
D
None of the above
Answer :
A and B both
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310.
The second commitment period for Kyoto Protocol was decided at A
Cancun
B
Durban
C
Bali
D
Doha
Answer :
Doha
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