Heterotrophic Nutrition and its Types
Heterotrophic Nutrition and its Types: Overview
In this topic, we will learn about heterotrophic plants that cannot make their own food. This topic further discusses the classification of heterotrophic plants into parasites, insectivorous, saprotrophic and symbiotic along with a brief note on it.
Important Questions on Heterotrophic Nutrition and its Types
Instead of using chemical fertilizers, a farmer prefers to replenish his farm soil using natural methods. Can you name one of them. List two values shown by the farmer.
Nitrogen is essential for plant growth. But farmers who cultivate pulses do not apply nitrogenous fertilizers during cultivation. Why?
Wheat dough left in the open, after a few days, starts to emit a foul smell and becomes unfit for use. Give reason.
Distinguish between a parasite and a saprotroph.
What are saprotrophs? How does a saprotroph digest its food?
Why are nitrogenous fertilizers not added to soil in which leguminous plants are grown?
How does an insectivorous plant absorb nutrients from the insect trapped by it?
Explain symbiosis in lichens.
Pitcher plant and Venus flytrap are green plants that photosynthesize. Why do they trap insects?
Some _____ (green/non-green) plants are also heterotrophic in nature.
Saprophytes are _____ (green/non-green) in colour.
_____ is the non-photosynthetic part of the lichen. (Write answer in singular form)
_____ (Nitrogen/Phosphorus) element is fixed by Rhizobium.
_____ associations are always 'give and take' type of relations.
Bacteria called _____ fix nitrogen for leguminous plants.(Rhizobium/Pseudomonas)
_____ (Rose/Pitcher plant) is an insectivorous plant.
