|
Which represents an indirect economic value of biodiversity?
|
|
0
|
1670
|
March 19, 2018
|
|
White Bengal tigers are protected in the special setting in Zoological parks.Tiger reserves are maintained in Western Ghats
|
|
1
|
4223
|
September 3, 2016
|
|
(a) Why is there a need to conserve biodiversity?
|
|
1
|
3080
|
September 3, 2016
|
|
There are many animal that have become extinct in the wild but continue to be maintained in Zoological parks
|
|
1
|
2406
|
September 3, 2016
|
|
Biodiversity must be conserved as it plays an important role in many ecosyctem services that nature provides.Explain any two services of the ecosystem
|
|
0
|
1492
|
September 3, 2016
|
|
Differentiate between in-situ and ex-situ approaches of conservation biodiversity
|
|
0
|
781
|
September 3, 2016
|
|
There are many animals that have become in the wild but continue to be maintained in Zoological parks
|
|
1
|
625
|
September 3, 2016
|
|
Write the importance of cryopreservation in conservation of biodiversity
|
|
0
|
2552
|
September 3, 2016
|
|
Give an example of a plant which came into India as a contaminant and is a cause of pollen allergy
|
|
0
|
3558
|
September 3, 2016
|
|
(a) Taking one example each of habitat loss and fragmentation, explain are two responsible for biodiversity loss
|
|
1
|
1609
|
September 3, 2016
|
|
The following graph shows the species-area relationship.Answer the following question as directed
|
|
1
|
2834
|
September 3, 2016
|
|
Since the origin of life on the earth, there were five episodes of mass extinction of species
|
|
1
|
4218
|
September 3, 2016
|
|
Alien species are highly invasive and are a threat to indigenous species.Substantiate this statement with any three examples
|
|
0
|
1614
|
September 3, 2016
|
|
Explain, giving three reasons, why tropics show greatest levels of species diversity
|
|
0
|
1241
|
September 3, 2016
|
|
Why certain regions have been declared as biodiversity'hot spots' by environmentalists of the world?Name any two regions of India
|
|
0
|
3034
|
September 3, 2016
|
|
Giving two reasons explain why there is more species biodiversity in tropical latitudes than in temperate ones
|
|
0
|
3050
|
September 3, 2016
|
|
List the features that make a stable biological community
|
|
0
|
3960
|
September 3, 2016
|
|
In the biosphere immense biological diversity exists at all levels of biological organisation.Explain any two levels of biodiversity
|
|
0
|
3253
|
September 3, 2016
|
|
How does over-exploitation of beneficial species affect biodiversity?Explain with the help of one example
|
|
0
|
2161
|
September 3, 2016
|
|
List any two causes of biodiversity loss and explain any one of them
|
|
0
|
1014
|
September 3, 2016
|
|
With the help of one example,Explain how does alien species invasion cause biodiversity loss
|
|
0
|
3098
|
September 3, 2016
|
|
The above graph shows Species-Area relationship.Write the equation of the curve'a' and explain
|
|
1
|
3233
|
September 3, 2016
|
|
Justify with the help of an example where a deliberate attempt by humans has led to the extinction of a particular species
|
|
0
|
1607
|
September 3, 2016
|
|
State the use of biodiversity in modern agriculture
|
|
0
|
2889
|
September 3, 2016
|
|
What is meant by 'alien species' invasion?Name one plant and one animal alien species that are a threat to our Indian native species
|
|
0
|
4022
|
September 3, 2016
|
|
Write what was the percentage of forest cover India at the India at the beginning and at the end of the twentieth century.How different is it from the one recommended by the National Forest Policy of our country?
|
|
0
|
1090
|
September 3, 2016
|
|
The Amazon rain forest is referred to as the lings of the planet. Mention any one human activity that causes loss of biodiversity in this region
|
|
0
|
2445
|
September 3, 2016
|
|
Eichhornia crassipes is an alien hydrophyte introduced in India. Mention the problems posed by this plant
|
|
0
|
1526
|
September 3, 2016
|
|
Why is tropical environment able to support greater species diversity?
|
|
0
|
2335
|
September 3, 2016
|
|
Name the type of biodiversity represented by the following :
|
|
1
|
1843
|
September 3, 2016
|