Fumigation is a process that provides protection against which of the following?

Classification based on chromosome number is known as:

Besides botanical drawings,photographs,and slides,what else is collected in a botanical museum?

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.

Couplet represents the choice made between two opposite options which results in

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