Question

37) Define following
Autotropism
Parasite
Saprophyte
Holozoic nutrition
Hetrotrops
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Answer 1

Answer:

1. The tendency of plant organs to grow in a straight line when uninfluenced by external stimuli is called Autotropism.

2. A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host.

3. A plant, fungus, or microorganism that lives on dead or decaying organic matter is called a Saprophyte.

4. Holozoic nutrition is a method of nutrition that involves the ingestion of liquid or solid organic material, digestion, absorption and assimilation of it to utilize it.

5. A Heterotroph is an organism that cannot manufacture its own food by carbon fixation and therefore derives its intake of nutrition from other sources of organic carbon, mainly plant or animal matter.

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