Question

make herbarium file of atleast 10 different types of leaves and name them

Answer 1

You can collect -
Neem
Mango
Guava
Peach
Rose
Marigold
Pineapple
Marijuana
Jamun
Shisham
etc

Answer 2

u can collect different types of leaves breed from local areas &then u only have to kept all that under a book for drying & remember the date , location of that breed from where u find it
take a notebook paste that breed on a notebook after drying up
& find information of that breed on Google & paste that on a sheet &paste it there.