Where was first herbarium set up?

Write uses of herbarium.

Where is the largest Herbarium of the World?

Where is the largest Herbarium of India?

What is herbarium ? Hoe is it used in taxonomy?

How do you prepare your own herbarium sheets? What are the different tools you carry with you while collecting plants for the preparation of a herbarium? What information should a preserved plant material on the herbarium sheet provide for taxonomical studies?

How many arithmetic progressions with 10 terms are there whose first term is in the set {1, 2, 3} and whose common difference is in the set {2, 3, 4} ?