Which of the following places is used to keep wild animals in a protected environment under human care?

How is a key helpful in the identification and classification of an organism?

Which method is used in the process of poisoning (preservation of biological specimens)?

Which of the following is associated with botanical gardens?

Which of the following statements is $NOT$ true for a herbarium sheet?

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.