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Biomagnification is caused by which of the following?

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Important Questions on Environmental Issues

EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers?
EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?
EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
Snow-blindness in Antarctic region is due to
EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control

Match the following:

  List - 1   List -2
A) Carbon monoxide I) Global warming
B) Carbon dioxide II) UV - rays
C) Sulphur dioxide III) Eutrophication
D) Ozone depletion IV) Acid rain
    V) Oxygen transport

The correct match is

EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
The highest DDT concentration in aquatic food chain shall occur in
EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
Which one of the following is a wrong statement?
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Biology>Ecology>Environmental Issues>Water Pollution and Its Control
The zone of atmosphere in which the ozone layer is:
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Biology>Ecology>Environmental Issues>Water Pollution and Its Control
In an area where DDT has been used extensively, the population of birds declined significantly because -
EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
Which, among grass, goat, tiger and vulture, in a food chain, will have the maximum concentration of harmful chemicals in its body due to contamination of pesticides in the soil?
EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
Chlorofluorocarbons (CFCs) are believed to be associated with cancers because:
EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
The biomagnification of which pollutant causes a decline in the bird population?
EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
CO2 acts as a greenhouse gas because:
EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
Snow blindness is caused due to
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Biology>Ecology>Environmental Issues>Water Pollution and Its Control
Montreal protocol was signed in 1987 for control of
EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
Which one of the following human activities has contributed as deforestation by northeastern sides of India?
MEDIUM
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
How is green house gas raise the temperature of Earth?
EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
The maximum concentration of harmful chemicals is expected to be found in organisms
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Biology>Ecology>Environmental Issues>Water Pollution and Its Control
Which of the following pairs of gases is mainly responsible for green house effect?
EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?
EASY
Biology>Ecology>Environmental Issues>Water Pollution and Its Control
An increase in the concentration of the toxicant at successive trophic levels is known as: