Biodiversity an...

Which of the following can solely keep an ecosystem self-sustaining and viable?

Following plants belonging to same genus (Solanum) represent:

Alpha diversity will describe:

Which of the benefits, wetlands provide?

Out of the following which one will not represent an alternative way to categories ecosystem diversity:

Keystone species include :

Polyps and medusae of coelenterates (fixed and free-floating stages) are examples of polymorphism related to:

If snakes become extinct :
i). The loss will make the bionetwork imbalanced
ii). Their gene pool will be lost forever
iii). Result will be loss of biodiversity

Assertion: The pattern of species diversity on earth is not uniformly distributed.

Reason: Species variation is generally highest in the tropics and decreases towards the poles.

Match the following:

National park                                                  State
a) Shiv Puri National Park                              i) Meghalaya
b) Hazaribagh National Park                          ii) Orissa
c) Simlipal National Park                                iii) Jharkhand
d) Nokrek National Park                                 iv) Madhya Pradesh

The legal conversion of land into the status of royal forest refers to:

Which of the following is a major cause of reduction in gene pool?

Which of the following will maintain species diversity by stabilizing the food web and preventing competition?

The area of National Parks range between:

The evil quartet described by Jared Diamond doesn’t include :

Which of the following species had been not recently extinct?  

Which of the following group of animals are more venerable to extinction?

The main cause of diversity loss is the

Loss of biodiversity in a region may leads to
a. Decline in plant production
b. Lowered resistance to environmental perturbations such as drought.
c. Decreased variability in the ecosystem.

Species which suffered a near-extinction from ingesting the carrion of diclofenac-treated cattle is/are:

Wild animals :
i) Frequently breed in Zoos.
ii) Reproductive capacity is lowered if area of free movement is reduced.

If a species experiences a 90 percent decline over 10 years (or three generations), would be classified as :

Select the group which represents only critically endangered species (as per 2008 red list):

To qualify as a biodiversity hotspot , as per Myers hotspot map:
a) it must contain at least 0.5% or 1,500 species of vascular plants as endemics.
b) it has to have lost at least 70% of its primary vegetation.   

Buffer zone is managed to accommodate variety of resources for restoration of degraded ecosystems and habitats, conservation of genetic resources, species and ecosystem and monitoring of development and conservation programme. It can never extinct species.