According to the $1991$ census,what was the rural population of India (in $\%$)?

Match the following.

Column-$I$	Column-$II$
$(p)$ Increasing level of $CO_2$	$(i)$ Ozone depletion
$(q)$ $CFC$	$(ii)$ Antarctica region
$(r)$ Ozone hole	$(iii)$ Greenhouse effect
$(s)$ $UV$ rays	$(iv)$ Senescence of skin

Assertion: Deforestation is one main factor contributing to global warming.
Reason: Besides $CO_2$,two other gases,methane $(CH_4)$ and $CFCs$,are also included under greenhouse gases.

In Maharashtra,a $24$-hour toll-free helpline number $1926$ has been set up to provide information regarding . . . . . . .

What is the year associated with the Chipko movement?

Who was the Bishnoi woman known for her contribution to forest conservation?