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Q: Which cell organelle helps in keeping the cell clean by digesting any external material and defective cell organelle?
  • A. Golgi Apparatus
  • B. Mitochondria
  • C. Plastids
  • D. Lysosome
Correct Answer: Option D - Lysosomes are involved with various cell processes. They break down excess or worn out cell parts. They may used to destroy the invading/external material, viruses and bacteria for keeping the cell clean. Lysosomes are known to contain more than 60 different enzymes. It was discovered by De Duve.
D. Lysosomes are involved with various cell processes. They break down excess or worn out cell parts. They may used to destroy the invading/external material, viruses and bacteria for keeping the cell clean. Lysosomes are known to contain more than 60 different enzymes. It was discovered by De Duve.

Explanations:

Lysosomes are involved with various cell processes. They break down excess or worn out cell parts. They may used to destroy the invading/external material, viruses and bacteria for keeping the cell clean. Lysosomes are known to contain more than 60 different enzymes. It was discovered by De Duve.