Free-Martins are commonly found in ----

Large woody vines are more commonly found in :

Fill up the blanks by selecting the correct option. (i) Biogas is a mixture of gases which predominantly contains______and is used as_______ (ii) Methanogens are commonly found in the__________during sewage treatment. (iii) ___________species are free-living fungi and effective biocontrol agents of several plant pathogens.

Free martin is due to

Spermaceti is commonly used in :

_____cells are commonly found in monocots for rolling of leaves

Bud grafting is commonly used in:

Floral features are commonly used for identification of angiosperms because