Choose the incorrect pair for the Amazonian rain forest.

How many countries pledged their commitment to achieve a reduced rate of biodiversity loss by $2010$ in the World Summit on Sustainable Development held in $2002$ in Johannesburg,South Africa?

Which of the following is considered a hot-spot of biodiversity in India?

Diversity index commonly used in ecological studies is

The 'Rivet Popper' hypothesis was proposed by $................$.

Initially $A$ biodiversity hot spots were identified but subsequently nine more have been added to the list,bringing the total number of biodiversity hot spots in the world to $B$. These hot spots are the regions of accelerated habitat loss. Three of these hot spots—Western Ghats and Sri Lanka,Indo-Burma,and Himalaya—cover our country's exceptionally high biodiversity regions. Although all the biodiversity hot spots put together cover less than $C$ $\%$ of the earth's land area,the number of species they collectively harbour is extremely high,and the strict protection of these hot spots could reduce the ongoing mass extinctions by almost $D$ $\%$. $A, B, C$ and $D$ in the paragraph refer to: