Identify the air pollutant in urban areas which irritates eyes and also respiratory tract of human beings.
Consider the following statements regarding “Protected Areas” of India:
1) Wildlife sanctuary and national park are declared by State Government by law.
2) Wildlife sanctuary and national park have been defined under Wildlife Protection Act 1972.
3) Tiger Reserves are declared by National Tiger Conservation Authority under centrally sponsored scheme called Project Tiger
Which of the above statements are correct?
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The acidification of oceans is increasing. Why is this phenomenon a cause of concern?
1) The growth and survival of calcareous phytoplankton will be adversely affected.
2) The growth and survival of coral reefs will be adversely affected.
3) The survival of some animals that have phytoplanktonic larvae will be adversely affected.
4) The cloud seeding and formation of clouds will be adversely affected.
Which of the statements given above is /are correct?
Consider the following about Biomagnification:
1). It refers to the tendency of pollutants to concentrate as they move from one trophic level to another.
2). In order for Biomagnification to occur, the pollutants must be short-lived, mobile, soluble in water only and biologically active.
Select the correct code:
Among the following fuels of energy, which is the most environment friendly?
Sustainable development goals have specific targets to be achieved by
Silent Valley is a tropical evergreen forest in which of the following state?
Arrange the following fresh water resources in increasing order as per their percentage share.
1). Soil moisture
2). Glaciers
3). Rivers
4). Groundwater
5). Lakes
6). Atmospheric vapour
When both partners are affected negatively the nature of interaction is
If you want to keep an object cool while exposed to direct sunlight,
Which of the following is not a reason why water warms and cools much more slowly than land?
The largest brackish water lake situated in Asia is in Orissa. Which is the lake?
Which of the following enhances soil fertility?
Which of the following places is termed as ‘Cold Desert’ of Our Country?
The gas that shows the most variation from place to place and from time to time in the lower atmosphere:
A good assignment in EVS should primarily aim at
In which of the following cities Abundant source of inonazite sands are found on the sea shores of?
__________ is an organism used to gauge the quality of an ecosystem.
Herpetology is a branch of Science which deals with
If the amount of energy lost by the earth to space each year were not approximately equal to that received:
World's first Teak Forest was planted in 1842 in Kerala. Identify the place.
Sunlight passes through a thicker portion of the atmosphere at
Suppose yesterday morning you noticed ice crystals (frost) on the grass, yet the minimum temperature reported in the newspaper was only 35o F. The most likely reason for this apparent discrepancy is that:
All the statements are correct regarding ecological succession except