Chapter 1: Nutrients in Plants

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Q
Nutrition in Plants

Question:

Distinguish between a parasite and a saprotroph.

Answer:

Parasite: A plant that lives on or inside another organism and derives the food from it, is called a parasite.

Example: Cuscuta does not have chlorophyll, it cannot synthesize its own food. It takes readymade food from the plant on which it is climbing. The tree on which the Cuscuta plant climbs is called the host.

Saprophytes: Non-green plants which obtain their food from dead and decaying organic matter are called saprophytes.

Example: Fungi such as mushrooms, bread molds, and yeast are saprophytes. They derive their food from dead and decaying organic matter. Fungi such as mushrooms, bread moulds, and yeast are saprophytes.

They secrete digestive juices on the dead and decaying organic matter and convert it into solution and they absorb the nutrients from this solution.


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