Loss of Biodiversity
Loss of Biodiversity: Overview
This Topic covers sub-topics such as Threats to Biodiversity, Loss of Biodiversity, Habitat Loss and Fragmentation, Alien Species Invasions, Co-extinctions and, Over Exploitation of Natural Resources
Important Questions on Loss of Biodiversity
Which of the following is/are causes for loss of biodiversity?
An exotic species that is introduced to a new area, spreads rapidly and eliminates native species is called
When a species becomes extinct, the plant and animal species associated with it in an obligatory way also become extinct. This phenomenon is referred to as
Dodo, passenger pigeon and Steller's sea cow became extinct in the last 500 years due to
Excessive accumulation of organic matter in water bodies leads to
The extinction of Raphus cucullatus caused which other species to become endangered?
What is the main reason for the extinction of wildlife?
According to most conservation biologists, the single greatest threat to global biodiversity is
The major cause of loss of number of migratory birds is
Wild life is destroyed most by
Which of the following forests is known as the 'lungs of the planet earth'?
Which of the following is/are cause/s for loss of biodiversity?
(i) habitat loss and fragmentation
(ii) co-extinction
(iii) over-exploitation
(iv) alien species invasion.
Which of the following is the most important cause of “The Evil Quartet”, which may lead to the extinction of animals and plants?
Which among the following is an example of invasive weed species?
A major factor for biodiversity loss is
What will get reduced cause of Deforestation?
The decrease in species diversity in tropical countries is mainly due to
Read the following statement.
"Nature" biological library is burning even before we catalogued the titles of all the books stocked there." What does this statement refer to?
The main cause of extinction of species from tropical areas is:
The alien species (Nile perch) introduced into Lake Victoria in
