Tag: evs - i
Questions Related to evs - i
The lower part of exosphere contains
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Carbon zone
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Ozone zone
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Nitrogen zone
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Helium zone
Exosphere is the outer fringe of Earth's atmosphere, which extends some 20000 miles from the planet. It's dominant element is hydrogen and its temperature ranges from $200^0 F$ to $1000^0 F$. The lower part of exosphere contains abundance of helium besides hydrogen and is called as “helium zone”. Hence, option D is correct.
Biologists observe 5th June as
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Darwin birthday
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World environment day
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World population day
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World hygiene
5th June every year is observed as World Environment Day. This is to ensure awareness among people for the conservation and enhancement of the environment that forms a very integral part of our ecosystem.
An earthworm's niche is described by the statement that
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Earthworms are decomposers who live in the soil.
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Earthworms eat decaying organic matter.
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Earthworms are usually found living in the soil.
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Earthworms are used as food by some birds.
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Earthworms help the soil by aerating it.
Niche refers to the totality of an organism’s adaptations, its mode of use of available resources, and the lifestyle in its community. It includes the mode of consumption of materials in its environment as well as its interactions with other organisms. Habitat portion of earthworm's fundamental niche refers to the soil while its role as decomposer is the realized niche. Thus, the correct answer is A.
Interaction of species with the environment is known as
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Ecosystem
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Autecology
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Synecology
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Community
Group of same species in a given area is called population and interaction of population with environment is called Autoecology. So the correct option is " Autoecology"
Which one of the following is the region of cold temperature?
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Mesosphere
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Thermosphere
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Ionosphere
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Exosphere
The term "Eco" implies
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Environment
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Ecotone
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Ecotourism
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Soil
Food web is constituted by
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Various interlinked food chains in a community
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Relationship between animals and plants
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Relationship between organisms and their environment
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Relationship between animals, plants and microbes
In general, food webs consist of producers, consumers, and decomposers.
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True
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False
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Either
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Neither
Food web ensures survival of all types of trophic levels.
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True
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False
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Either
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Neither
An example of a producer in the aquatic food web would be
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Duckweed
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Ducks
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Fish
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Insects