Which of the following statements are correct about the Amazon rainforest?
$I$. They are called the lungs of the planet.
$II$. They harbour probably millions of species.
$III$. They are the largest tropical rainforest in South America and have the highest biodiversity on Earth.
$IV$. They are being cut and cleared for cultivating soybeans or for conversion to grasslands for raising beef cattle.
Choose the correct option.

In the given pie chart representing the global biodiversity of plants,what do '$P$' and '$Q$' represent respectively?

Which of the following statement$(s)$ is/are correct?
$(i)$ Rich biodiversity is not essential for ecosystem health.
$(ii)$ The current rate of species extinction is $100$ to $1000$ times faster than the pre-human extinction rate.
$(iii)$ Steller's sea cow became extinct due to overexploitation by humans.
$(iv)$ Even if we combine all biodiversity hotspots,they cover less than $2 \%$ of the Earth's land area.
$(v)$ The rate of mass extinction can be completely reduced by strict protection of hotspots.

Given below is the representation of the extent of global diversity of invertebrates. What groups do the four portions $(a, b, c, d)$ represent respectively?

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Edward Wilson	$(i)$ Ecosystem experiments on plots
$(b)$ Alexander von Humboldt	$(ii)$ Rivet Popper Hypothesis
$(c)$ David Tilman	$(iii)$ Coined the term Biodiversity
$(d)$ Paul Ehrlich	$(iv)$ Species-Area relationships

Select the correct option from the following.