Biomagnification and Eutrophication

The process that involves the use of plants and microorganisms to treat and control wastes that are harmful to the environment is called

Define the term phytoremediation?

Define the term 'Bioremediation'.

Which of the following exhibits biomagnification?

Eutrophication of water bodies leading to killing of fishes is mainly due to the non-availability of

The term used for the excessive growth of algae, plants and animals in water bodies due to the nutrient enrichment particularly with nitrogen and phosphorus is

DDT and mercury undergo biomagnification in the food chains.

In the treatment of waste water discharge, which treatment stage involves biological treatment?

What is bio-magnification?

Ecological sanitation is a sustainable system for handling

Which of the following are advantages of ecological sanitation?
I. It is a practical, hygienic, and efficient method of waste disposal.
II. It is cost-effective.
III. Human excreta can be recycled into natural fertilisers, to replace chemical fertilisers.

Ecological sanitation is a sustainable system for handling human excreta, using dry composting toilets. Such ‘Ecosan’ toilets are working in?

Cleaning of waste water in Arcata Marsh involves?

Study the following statements regarding Ecosan toilet and select the incorrect ones.

The term 'terror of Bengal' is used for

An increase in the concentration of the toxicant at successive trophic levels is known as:

Which of the following statement is correct?

The term 'biomagnification' refers to the:

A lake with an inflow of domestic sewage rich in organic waste may result in

Eutrophication is caused by