Ecology and Ecosystem - Environment and Ecology quiz 6

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Ecology and Ecosystem - Environment and Ecology Online Quiz 6

Ecology and Ecosystem - Environment and Ecology quiz 6 is a free online quiz challenge under Ecology and Ecosystem - Environment and Ecology category. There are 59 free online quiz challenges available in Environment and Ecology category


Which one of the following is the correct sequence about various levels of organisation of Biosphere?

The cycling of element in an ecosystem is called

Consider the following statements and choose the correct answer form the codes given below1. Soil erosion is the destruction of the upper layer of the soil by natural factors.2. General erosion is one when there is 25% less erosion of the land soil.3. Sheet erosion is caused when the upper fertile layer of the land is eroded by air or water.

Consider the following about BOD1. BOD stands for Biotic Oxygen Demand.2. The quality of organic pollutant in water can be determined by measuring BOD.3. When huge amount of sewage is dumped into river, the BOD will increase.Which of the statements given above is/are true?

The succession may begin in an area where some natural disaster has caused removal of existing vegetation. Such a succession is called

Consider the following statements1. The role of an organism in an ecosystem is called as niche.2. Group of individuals of same species that share common attributes are called population.Which of the above statements is/are true?

Abiotic component of our environment is

The variablilty among living organisms from all source including terrestrial, marine and other ecosystems and the ecological complexes of which they are part which they are part which includes diversity within species, between species of ecosystem refers to

Which among the following statements is incorrect?

What forms the first trophic level in any ecosystem?

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