Write the most important characteristic that aspergillus niger, Clostridium acetobutylicum And Lactobacillus share?

Name the most important characteristics of plants and animals.

Write an important characteristic of lyophilic sols.

Write True or False: Most important ecological factor is light.

Distinguish between families Fabaceae, Solanaceae, Liliaceae on the basis of gynoecium characteristics . Also write economic importance of any one of the above family.