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  4. Passive food ingestion in Amoeba is known as

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Q. Passive food ingestion in Amoeba is known as

Uttarkhand PMTUttarkhand PMT 2008

Solution:

Import : In this process, food is sucked by depression into the body and there is no active role or movement of Amoeba takes place. Circumfluence : In this process, pseudopodia advances when it comes in contact with food and protoplasm surrounds the food particles and engulf them. Invagination : In this process, pseudopodia secretes a sticky and toxic substance. The food is adhered to the body by toxic substance and food invaginates to enclose it in a food vacuole. Circumvallation : Pseudopodia envelope the prey and forms food cup by meeting the ends of pseudopodia.