Which method is used after poisoning to preserve plant specimens in herbaria?

Statement $X$: Zoological parks are managed by private organizations. Statement $Y$: Zoological parks are managed by government organizations. Which of the following is correct regarding statements $X$ and $Y$?

Which of the following is a correctly matched pair?

Out of the four statements $(1-4)$ given below,which two statements are correct regarding botanical gardens?
$(1)$ $A$ collection of plant specimens collected from various places.
$(2)$ Information for the identification of newly discovered plant specimens can be obtained.
$(3)$ $A$ planned collection of living plants for scientific purposes.
$(4)$ For the purpose of identification of various plant species.

Which types of plants are grown in botanical gardens?

$A$ repository of plant specimens collected from various locations is known as .....