Which of the following chemicals is used for poisoning the specimens in herbarium technique?

Choose the incorrect pair:
$(1)$ Museum - storage of living organisms
$(2)$ Herbarium - storage of dead animals
$(3)$ Zoological parks - storage of living animals
$(4)$ Botanical gardens - storage of living plants

Where are plants of medicinal,rare,and economic importance cultivated?

In museums,which solution is used to preserve specimens in jars or containers?

The famous botanical garden '$Kew$' is located in

Which of the following is useful in obtaining economic and ethnobotanical information?