For active absorption of mineral uptake, energy is supplied by ………

Cyanobacteria fix nitrogen in specialised cells called ……

In root nodule, symbiotic nitrogen fixer organism is ……

In plant body, amides are transported through ………

Building blocks of proteins are …

Flowering plants Aster, Dahlia and Chrysanthemum are ……

Experimental material of Garner and Allard for discovery of photoperiodism was ………

Which of the following is used for the production of long seedless grapes ?

In vernalization, the cold stimulus is perceived by ………

Xanthium is ……