Which one of the following is correct?

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(C) Herbicides are chemicals used to kill weeds and unwanted plants in cultivated land. They primarily act by blocking $PS-II$ (Photosystem-$II$),whic

Vedclass · Accepted Answer

Both $(a)$ and $(b)$.

Vedclass · Answer

(C) Herbicides are chemicals used to kill weeds and unwanted plants in cultivated land. They primarily act by blocking $PS-II$ (Photosystem-$II$),which inhibits the photolysis of water,and occasionally by disrupting phloem transport.Insecticides are chemicals designed to destroy or kill insects. They typically function by impairing nerve conduction in the insect's nervous system or,in some cases,by causing respiratory arrest.Since both statements $(a)$ and $(b)$ are scientifically accurate,the correct option is $(c)$.

Column-$I$	Column-$II$
$(a)$ Mycorrhiza	$(1)$ Rhizobium
$(b)$ Bt	$(2)$ Nucleopolyhedrovirus
$(c)$ Root nodules	$(3)$ Phosphorus
$(d)$ Baculovirus	$(4)$ Bt-Cotton

Similar Questions

Select the odd one out.

Match the columns:
Column-$I$ Column-$II$
$(a)$ Mycorrhiza $(1)$ Rhizobium
$(b)$ Bt $(2)$ Nucleopolyhedrovirus
$(c)$ Root nodules $(3)$ Phosphorus
$(d)$ Baculovirus $(4)$ Bt-Cotton

Which of the following is correctly matched?

Which of the following is mismatched?

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