Which of the following is now called World Conservation Union $(WCU)$?

Which of the following is $NOT$ included under $In-situ$ conservation?

Just as a person moves from Delhi to Shimla to escape the summer heat,where do millions of migratory birds go to escape the harsh winter of Siberia and other northern regions?

Which is not a criteria used for determining hot spots?

In the following,each set provides a conservation approach and an example of a method of conservation:
$(a)$ In situ conservation - Biosphere Reserve
$(b)$ Ex situ conservation - Sacred groves
$(c)$ In situ conservation - Seed bank
$(d)$ Ex situ conservation - Cryopreservation
Select the option with the correct match of approach and method.

Can you think of a situation where we deliberately want to make a species extinct? How would you justify it?