Germination tests is:

A.Nurseries fail quite often as the seed collected is rather old rotten or does not have an embryo
B.There are several methods to test seed germination percent but the most practical is to, to take a few samples from thoroughly mixed heap
C.Both (a) & (b)
D.None of these

Forest nursery techniques is/are:

A.To make an afforestation/reforestation campaign a success a well-stocked nursery raised on scientific lines is a pre-requisite.
B.The adverse biotic and edaphic factors, failure of most of the planting campaigns in the country
C.Can generally be traced back to poor stock raised in ill-equipped nurseries by the staff, which is often ignorant of the modern techniques of nursery raising and its management
D.All of the above