બીજાણુ દ્વારા પ્રજનનથી સજીવને કેવી રીતે લાભ થાય છે ? 

There are many advantages, if an organism reproduces through spores.

Advantages of spore formation :

Large numbers of spores are produced in one sporangium.

Spores are distributed easily by air to far-off places to avoid competition at one place.

Spores are covered by thick walls to prevent dehydration under unfavourable conditions.