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Which one of the following is a green house gas ?
It is carbon dioxide that is produced as a combustion of fuels and from the chimneys of factories that surrounds the atmosphere and acts as green house gas.
Pick the right combination of terms which has no fossil fuel.
Floods can be prevented by
Forests act as speed breakers in the flow of flood water
At present consumption rate, the petroleum resources of the world will last for another
As per data available, the petroleum resources will last for 40 years.
Which of the following is the best method from environment point of view ?
Recycling requires energy. Reuse means using the same thing again and again.
In our country, vast tracts of forests are cleared and a single species of plant is cultivated. This practice promotes
The most rapidly dwindling natural resource in the world is
Forests are dwindling most rapidly.
Among the statements given below select the ones that correctly describe the concept of sustainable development
(i) Planned growth with minimum damage to the environment
(ii) Growth irrespective of the extent of damage caused to the environment
(iii) Stopping all developmental work to conserve the environment
(iV) Growth that is acceptable to all the stakeholders
The main cause for abundant coliform bacteria in the river Ganga is
Unburnt corpses (putrefied dead bodies) is the main cause for abundant coliform bacteria.
From the list given below pick the item that is not a natural resource
The pH of water sample collected from a river was found to be acidic in the range of 3.5 - 4.5. On the banks of the river were several factories that were discharging effluents into the river. The effluents of which one of the following factories is the most likely cause for lowering the pH of river water ?
Lead battery contains lead and sulphuric acid as its components. The acid contaminates river water lowering the pH from 7 to 3.5 - 4.5.
Which of the following is not an use of forest ?
The most appropriate definition of a natural resource is that it is a substance commodity that is
Natural resource is a gift of nature which is very useful to mankind.
Surangams are the age old concept of water harvesting in
Surangams are the water management system used to provide the water supply for irrigation and human settlements in Kerala and southern districts of karnataka. The word " Surangam" has been derived from the Hindi word "surang" Which means tunnel.
In our country, there are attempts to increase the height of several existing dams like Tehri and Almati dams across Narmada. Choose the correct statements among the following that are a consequence of raising the height of dams.
(i) Terrestrial flora and fauna of the area is destroyed completely.
(ii) Dislocation of people and domestic animals living in the area.
(iii) Valuable agricultural land may be permanently lost.
(iv) It will generate permanent employment for people.
Statements (i), (ii) and (iii) are correct.
Which of the following is the age old concept of water harvesting system in Madhya Pradesh ?
As per the option (b),( c), (d) , these water harvesting concept, yet not there in Madhya Pradesh by leaving the Option ( a) Bundhis. Ponds are located in the Jammu region, Bandharas are located in Maharashtra, and Nadis in Rajasthan. Bundhis is the very old water harvesting concept in Madhya Pradesh as leaving the options b, c, and, d.
The pH range most conducive for life of fresh water plants and animals is
pH range of 6.5 - 7.5 (neither acidic nor basic) is most conducive for the life of fresh water plants and animals.
Which of the following canals brought about greenery in Rajasthan ?