__ is a method in which a branch of the plant is covered with some material and supplied with water to produce roots.
Layering is a method in which a branch of the plant is covered with some material and supplied with water to produce roots. This is done in two ways:
(i) mound layering and (ii) aerial layering.
In _________ method, the stem which cannot be bent to the ground are girdled and covered with moist moss or cotton and to prevent evaporation a polyethene is wrapped and an earth pot with a hole at the bottom is hung from the branch above the ring to supply water.
A scientist removed some cells from the growing point of a plant and placed them in a suitable medium leading to the formation of a shapeless lump of mass X. X is then transferred to another medium which stimulates it to develop roots. When X with developed roots is placed in yet another medium, then it develops shoots to form tiny plantlets. These plantlets can then be transplanted in pots or soil where they can grow to form mature plants.(a) What is the shapeless lump of mass X known as?(b) What name is given to this method of producing new plants?(c) The growth medium used in this method contains plant nutrients in the form of a 'jelly'. Name this jelly.(d) What is the general name of chemicals used to stimulate the growth of plant cells and the development of roots and shoots?(e) Name any two plants which are produced by this method.(f) State any two advantages of this method of producing plants.(g) What is the other name of this method [other than that given in (b) above]?