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Q: Which special excretory cell is found in Platyhelminthes, which works like a kidney and removes wastes substances through filtration?
  • A. Sponge cell
  • B. Stem cell
  • C. Flame cell
  • D. Fat cell
Correct Answer: Option C - Flame cells, also known as protonephridia, are specialized cells that function in osmoregulation and excretion in Platyhelminths. They help to maintain the organism's internal environment by filtering and excreting waste products. Flame cells contain a tuft of cilia. The system of flame cells and tubules in flatworms is analogous to the Kidneys in higher organisms.
C. Flame cells, also known as protonephridia, are specialized cells that function in osmoregulation and excretion in Platyhelminths. They help to maintain the organism's internal environment by filtering and excreting waste products. Flame cells contain a tuft of cilia. The system of flame cells and tubules in flatworms is analogous to the Kidneys in higher organisms.

Explanations:

Flame cells, also known as protonephridia, are specialized cells that function in osmoregulation and excretion in Platyhelminths. They help to maintain the organism's internal environment by filtering and excreting waste products. Flame cells contain a tuft of cilia. The system of flame cells and tubules in flatworms is analogous to the Kidneys in higher organisms.