Biodiversity and Conservation
Explain the three levels of biodiversity in detail. Why is biodiversity important for the ecosystem? Discuss the major causes of biodiversity losses.
Sociobiologist ___ popularized the term 'biodiversity' to describe the combined diversity at all levels of biological organization.
According to Robert May's global estimate, the total number of species on Earth is about ___ million.
The German naturalist and geographer who observed that species richness increased with increasing explored area up to a limit was ___.
The Stanford ecologist who proposed the 'Rivet popper hypothesis' to explain the ecosystem stability is ___.
The introduction of the ___ into Lake Victoria in East Africa led to the extinction of more than 200 species of cichlid fish.
Sacred groves in Meghalaya are found in the Khasi and ___ Hills.
The historic Earth Summit on Biological Diversity was held in Rio de Janeiro in the year ___.
Preservation of gametes in viable and fertile condition for long periods at ultra-low temperature in liquid nitrogen is called ___.
Presently, the total number of biodiversity hotspots covering the world's high biodiversity regions is ___.
Among animal groups, ___ are the most species-rich taxonomic group, constituting more than 70 percent of all animals.
When a host fish species becomes extinct, its unique assemblage of parasites also faces extinction, a phenomenon known as ___.
The most important cause driving animals and plants to extinction is ___ loss and fragmentation.
Who proposed the famous 'Rivet Popper Hypothesis' to explain the significance of species diversity in an ecosystem?
According to Robert May's global estimates, what is the total number of global species diversity?
What is the correct logarithmic equation for the species-area relationship established by Alexander von Humboldt?
The historic Earth Summit on Conservation of Biodiversity was held in 1992 in which city?
In which state of India are the Khasi and Jaintia Hills sacred groves located?
The medicinal plant Rauwolfia vomitoria growing in different Himalayan ranges shows variation in the potency and concentration of the chemical reserpine. This is an example of:
What is the total number of biodiversity hotspots in the world today?
Which of the following animal groups is the most species-rich group among invertebrates, making up more than 70% of total animals?
Steller's Sea Cow and Passenger Pigeon became extinct in the last 500 years mainly due to:
Where was the World Summit on Sustainable Development held in 2002?
Which of the following is NOT one of the major causes of biodiversity loss collectively termed as 'The Evil Quartet'?
Western Ghats have a greater amphibian species diversity than the Eastern Ghats. This is an example of:
In cryopreservation, biological samples like gametes of threatened species are stored in liquid nitrogen at what temperature?
Who proposed the 'Rivet Popper Hypothesis' to explain the significance of species richness in maintaining ecosystem stability?