In oat an site-specific cross between Ivena sativa and A busantus________?

An organism or cell having a chromosome number that is higher than the exact nultiple of the basic number is known as________?

The free distance on the paddy surface which a wind can travel to any point to rise waves is called________?

The living together of two or more species in a prolonged and intimate ecological relationship is called________?

Species which give out long and flexible branches, the shoot to be layered is covered with soil at several places to encourage rooting at more than one point is called ________?

Reproduction in the average total cost of producing a products as the firm expands the size of plants (its output) in the long run________?