Which of the following group of gases cause photochemical smog?
Which of the following group of gases cause photochemical smog?
A __________ is formed due to the collection of water in a natural basis or depression in a mountainous area or in plains.
A __________ is formed due to the collection of water in a natural basis or depression in a mountainous area or in plains.
The major reservoir of carbon is
The major reservoir of carbon is
Which of the following is considered a variable gas in the earth's atmosphere?
Which of the following is considered a variable gas in the earth's atmosphere?
Which of the following processes acts to remove carbon dioxide from the atmosphere?
Which of the following processes acts to remove carbon dioxide from the atmosphere?
The earth's first atmosphere was composed primarily of:
The earth's first atmosphere was composed primarily of:
_________ is mixed with petrol for being used in automobiles
_________ is mixed with petrol for being used in automobiles
Bio gas generation is mainly based on the principle of
Bio gas generation is mainly based on the principle of
The most important reason why summers in the Southern Hemisphere are not warmer than summers in the Northern Hemisphere is that:
The most important reason why summers in the Southern Hemisphere are not warmer than summers in the Northern Hemisphere is that:
Which of the following ecological pyramid is always upright?
Which of the following ecological pyramid is always upright?
Which of the following interactions will not promote co evolution?
Which of the following interactions will not promote co evolution?
The Anthrax disease is caused by
The Anthrax disease is caused by
The ozone at ground level is primarily from __________ precursors
The ozone at ground level is primarily from __________ precursors
At any given time, ______ of the earth is illuminated by the sun.
At any given time, ______ of the earth is illuminated by the sun.
In an aquatic ecosystem, the tropic level equivalent to cows in grasslands is
In an aquatic ecosystem, the tropic level equivalent to cows in grasslands is
A graphic representation of number of individuals of different species belonging to each trophic level in a an ecosystem is known as
A graphic representation of number of individuals of different species belonging to each trophic level in a an ecosystem is known as
Study of inter-relationship between organisms and their environment is
Study of inter-relationship between organisms and their environment is
Nuclear accidents mostly release radioactive __________ into the atmosphere
Nuclear accidents mostly release radioactive __________ into the atmosphere
Which of the following groups is absolutely essential functional component of the ecosystem?
Which of the following groups is absolutely essential functional component of the ecosystem?
The biosphere encompasses the total __________ of living material in a region or the globe.
The biosphere encompasses the total __________ of living material in a region or the globe.
The cold feeling that you experience after leaving a swimming pool on a hot, dry, summer day represents heat transfer by:
The cold feeling that you experience after leaving a swimming pool on a hot, dry, summer day represents heat transfer by:
Plants which grow in shade are called
Plants which grow in shade are called
The gas responsible for the greenhouse effect on Venus is:
The gas responsible for the greenhouse effect on Venus is:
Which of the following spatial units is the largest in terms of scale?
Which of the following spatial units is the largest in terms of scale?
Trophic levels are formed by
Trophic levels are formed by
Plants which grow in light are called
Plants which grow in light are called
Eutrophication results from
Eutrophication results from
What is the only continent on earth where Giraffes live in the wild?
What is the only continent on earth where Giraffes live in the wild?
A renewable source of energy is
A renewable source of energy is
Decomposers are otherwise called as
Decomposers are otherwise called as
The destruction of the forest areas by man made efforts is called
The destruction of the forest areas by man made efforts is called
Soil erosion can be prevented by
Soil erosion can be prevented by
The order of succession in a hydrosere is
The order of succession in a hydrosere is
Man made sources of radiation pollution are:
Man made sources of radiation pollution are:
__________ was developed after World War II.
__________ was developed after World War II.
Which of the following is a secondary pollutant
Which of the following is a secondary pollutant
The pollution which does not persistent harm to life supporting system is
The pollution which does not persistent harm to life supporting system is
The expansion on PQLI is
The expansion on PQLI is
Producers are otherwise known as
Producers are otherwise known as
Which of the following weather elements always decreases as we climb upward in the atmosphere?
Which of the following weather elements always decreases as we climb upward in the atmosphere?
The undesirable change in physical, chemical or biological characteristics of air, land and water is referred as
The undesirable change in physical, chemical or biological characteristics of air, land and water is referred as
Natural earthquakes are caused by __________
Natural earthquakes are caused by __________
The book silent spring was written by
The book silent spring was written by
Example for a bio-degradable polymer is
Example for a bio-degradable polymer is
The simplest aquatic ecosystem can be seen in a
The simplest aquatic ecosystem can be seen in a
A permeable rock that contains hydrocarbon fluids and gasses is called a/an
A permeable rock that contains hydrocarbon fluids and gasses is called a/an
The Residential and Commercial wastes mainly consist of:
The Residential and Commercial wastes mainly consist of:
Earth summit was held in
Earth summit was held in
Energy transformation through the food chain is
Energy transformation through the food chain is
Example for a physical pollutant
Example for a physical pollutant
All food chains starts with __________ and ends with decay.
All food chains starts with __________ and ends with decay.
Gas released during photosynthesis is
Gas released during photosynthesis is
What is the man-made green house gas known as?
What is the man-made green house gas known as?
Causative organisms of Malaria
Causative organisms of Malaria
Acid rain contains
Acid rain contains
Water from springs contain dissolved __________ compounds which are used to cure some skin diseases.
Water from springs contain dissolved __________ compounds which are used to cure some skin diseases.
The supersonic jets cause pollution by the thinning of
The supersonic jets cause pollution by the thinning of
Good urban planning is essential for __________ land use.
Good urban planning is essential for __________ land use.
Macroconsumers include
Macroconsumers include
Meteorology is considered a branch of:
Meteorology is considered a branch of:
"Silent Spring" is a well known book written by
"Silent Spring" is a well known book written by
The term "Nuclear winter" is associated with
The term "Nuclear winter" is associated with
Nitrogen fixing blue green alga
Nitrogen fixing blue green alga
The combination of nitrogen oxides and hydrocarbons in the presence of the sunlight causes
The combination of nitrogen oxides and hydrocarbons in the presence of the sunlight causes
In recycling of mineral elements within an ecosystem, the responsible direct acing organism are called
In recycling of mineral elements within an ecosystem, the responsible direct acing organism are called
The limitating factor in temperate and boreal forest is
The limitating factor in temperate and boreal forest is
Renewable energy resources are mostly based on
Renewable energy resources are mostly based on
Scientists are able to determine the air temperature in the thermosphere by:
Scientists are able to determine the air temperature in the thermosphere by:
____________ is one of the most endangered species of Indian birds
____________ is one of the most endangered species of Indian birds
What is "Black Lung"?
What is "Black Lung"?
When both partners are affected negatively the nature of interaction is
When both partners are affected negatively the nature of interaction is
All forms of water that comes down on Earth, including rain, snow, hail etc. is known as _____________
All forms of water that comes down on Earth, including rain, snow, hail etc. is known as _____________
Which of the following is not a green house gas?
Which of the following is not a green house gas?
The term "normal" refers to weather data averaged over:
The term "normal" refers to weather data averaged over:
More solar radiation is received at the:
More solar radiation is received at the:
The drug morphine is extracted from _______ plant
The drug morphine is extracted from _______ plant
The transfer of heat by molecule-to-molecule contact:
The transfer of heat by molecule-to-molecule contact:
The response of predator to prey and vice- versa, over ten of thousands of years, produces physical and behavioral changes in a process called
The response of predator to prey and vice- versa, over ten of thousands of years, produces physical and behavioral changes in a process called
The European Union has a permanent ban on the use of __________ in toys.
The European Union has a permanent ban on the use of __________ in toys.
Which gas is likely to be reduced in the atmosphere by deforestation?
Which gas is likely to be reduced in the atmosphere by deforestation?
Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth's atmosphere?
Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth's atmosphere?
The historical monument that is affected by acid rain is
The historical monument that is affected by acid rain is
Thermal belts are usually found
Thermal belts are usually found
A biodegradable plastic developed by Biopak Corporation Australia
A biodegradable plastic developed by Biopak Corporation Australia
The most important reason for decrease in biodiversity is
The most important reason for decrease in biodiversity is
The unit of measurement of intensity of sound is in _________
The unit of measurement of intensity of sound is in _________
The most endangered ecosystem in India
The most endangered ecosystem in India
The presence of which is necessary for photosynthesis
The presence of which is necessary for photosynthesis
Which of the following zones in a lake suffers from lack of light and therefore limited photosynthesis is able to take place?
Which of the following zones in a lake suffers from lack of light and therefore limited photosynthesis is able to take place?
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent.
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent.
Grassland of USA is referred to as
Grassland of USA is referred to as
The unit of pressure most commonly found on a surface weather map is:
The unit of pressure most commonly found on a surface weather map is:
In an oil trap formed by an anticline, __________ accumulates on top, __________ in the middle, and __________ at the bottom
In an oil trap formed by an anticline, __________ accumulates on top, __________ in the middle, and __________ at the bottom
The species of plants that play a vital role in controlling the relative abundance of other species in a community are called
The species of plants that play a vital role in controlling the relative abundance of other species in a community are called
Organisms that feed upon other living organisms as a source of energy and nutrients are called as
Organisms that feed upon other living organisms as a source of energy and nutrients are called as
In the northern hemisphere, a solar panel should be placed on the side of the roof facing:
In the northern hemisphere, a solar panel should be placed on the side of the roof facing:
Mycorrhiza represents
Mycorrhiza represents
Eutrophication of water bodies resulting to killing of fishes is mainly due to non-availability of
Eutrophication of water bodies resulting to killing of fishes is mainly due to non-availability of
The formation of a climax community from an abandoned farm land is a an example of
The formation of a climax community from an abandoned farm land is a an example of
Area X represents
Area X represents
