What is the process of treating herbarium sheets to prevent fungal and insect attacks called?

What is preserved in a museum?

Which of the following is an incorrect pair?

In which of the following are fernery,conservatory,artificial reservoir,and orchidarium developed?

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.

An institution where different types of wild animals are kept in protected environments under human care for public exhibition is known as...