Important Questions on Nutrition in Plants
Give the main types of heterotrophic nutrition in plants with examples. 
Describe symbiotic mode of nutrition with examples. 
Differentiate between: Autotrophs and Heterotrophs. 
Differentiate between parasitic and symbiotic modes of nutrition. 
How are nutrients replenished in the soil? 
Only some plants store food in their different parts. What happens to the food prepared by other green plants or trees like peepal, sal, cactus, etc.? 
How are parasites harmful to their hosts? 
How does soil make up its nitrogen deficit where leguminous plants are not grown? 