Most of the endangered species are the victims of

Which of the following communities is more vulnerable to invasion by outside animals and plants?

Match List-$I$ and List-$II$ and choose the correct option.

List-$I$	List-$II$
$(i)$ Dodo	$(p)$ Africa
$(ii)$ Quagga	$(q)$ Mauritius
$(iii)$ Thylacine	$(r)$ Russia
$(iv)$ Steller's sea cow	$(s)$ Australia

Extinction abetted by human activities is called

Which of the following statements is correct regarding Parthenium (Carrot grass)?
$(a)$ It was introduced into India as a contaminant with imported wheat.
$(b)$ It causes allergies.
$(c)$ Asexual reproduction occurs in its flower.

Which of the following is a human-induced cause for the extinction of plant species?