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Environment And Ecology: Previous Year Questions quiz 5

Environment And Ecology: Previous Year Questions quiz 5

Environment is the immediate surrounding of living organisms while ecology is the study of living organisms in their environments. The Environment and Ecology quiz below assesses these two topics as one. See how much you know.

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It is defined as occurring when uptake from the water is greater than excretion

Bioremediation
Bioconcentrati
Bioindicator
Bioaccumulatio

It refers to the release large amounts of phosphate and nitrate or organic matter into the water resulting in a lowering of oxygen levels and change in the fauna of the water

Eutrophication
Biomagnificatio
Bioaccumulation
Pollution

What is an example of mutualism gone bad?

Algae leaving coral due to warmer temperature water
Dandelion's and grass competing for space
Brain worm living in the brain of a dear

Parasitism usually harms their hosts to some extent, therefore the relationship is good for the parasite and not for the host. However there are a few expectations, one of these is

Tick living on dog's body
Brain worm living in the brain of a dear
Tape worm in an organisms stomach

A_ is a group of individual organisms of the same species living within a specific area.

Tick living on dog's body
population
Brain worm living in the brain of a dear

Regarding "carbon credits", which one of the following statements is not correct?

The carbon credit system was ratified in conjunction with the Kyoto Protocol
Carbon credits are awarded to countries or groups that have reduced greenhouse gases below their emission quota
The goal of the carbon credit system is to limit the increase of carbon dioxide emission
Carbon credits are traded at a price fixed from time to time by the United Nations Environment Programme

If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because

The soil of rain forest is deficient in nutrients
Propagules of the trees in a rain forest have poor viability
The rain forest species are slow-growing
Exotic species invade the fertile soil of rain forest

The Himalayan Range is very rich in species diversity. Which one among the following is the most appropriate reason for this Phenomenon?

It has a high rainfall that supports luxuriant vegetative growth
It is a confluence of different bio-geographical zones
Exotic and invasive species have riot been introduced in this region
It has less human interference

Recently, "oil zapper" was in the news. What is it?

It is an eco-friendly technology for the remediation of oily sludge and oil spills
It is the latest technology developed for under-sea oil exploration
It is a genetically engineered high bio fuel-yielding maize variety
It is the latest technology to control the accidentally caused flames from oil wells

Which one of the following is not a site for in-situ method of conservation of flora?

Biosphere Reserve
Botanical Garden
National Park
Wildlife Sanctuary
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