Irregular shelter, wood system means:

A.If canopy is opened out evenly in making regeneration felling
B.If the canopy is opened out by creating scaltered gaps which are subsequently extended over the whole area
C.If the canopy is opened out gradually and irregularly with a long regeneration period, resulting in a more uneven aged forest
D.None of these

What is meant by seed orchard?

A.For a long time it was held that the quality of future plants depends primarily upon the quality of the seed
B.Starting from this statement more and more attention was paid to the production of seeds of good quality
C.Both (a) & (b)
D.None of these