How do microorganisms harm the crop?

Which one is an effective plant insecticide?

Which of the following statements about vegetative reproduction is incorrect?

Match the following columns:

List-$I$	List-$II$
$(a)$ Cross-breeding	$(1)$ Apis indica
$(b)$ Interspecific hybridization	$(2)$ Blue Revolution
$(c)$ Honey bee	$(3)$ Mule
$(d)$ Fisheries	$(4)$ Hisardale

The world's $P$ livestock is possessed by $Q$ and the contribution to the world farm produce is $R$.
$\quad P\quad\quad Q\quad\quad\quad\quad\quad R$
$(A)$ $70 \%\quad$ India and China $\quad 25 \%$
$(B)$ $70 \%\quad$ India and America $\quad 25 \%$
$(C)$ $30 \%\quad$ India and China $\quad 75 \%$
$(D)$ $30 \%\quad$ India and America $\quad 75 \%$

How many farmers are currently members of the Haryana Kisan Club?