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Question
RRB NTPC - 2019
General Science

Which of the following is a membrane-bound sac filled with digestive enzymes?

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
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The correct answer is
Lysosomes

Identifying the Membrane-Bound Sac with Digestive Enzymes

The question asks to identify the cellular component that is a membrane-bound sac containing digestive enzymes.

  • Lysosomes are known as the 'digestive system' of the cell. They are spherical, membrane-enclosed organelles containing hydrolytic enzymes that break down waste materials and cellular debris.
  • Mitochondria are primarily involved in cellular respiration and ATP production.
  • The Golgi apparatus (or Golgi complex) modifies, sorts, and packages proteins and lipids for secretion or delivery to other organelles.
  • Vacuoles are membrane-bound sacs with varied functions, including storage, waste disposal, protection, and growth, but they are not primarily defined by containing digestive enzymes in the same way lysosomes are.

Therefore, lysosomes are the correct answer as they are specifically characterized by being membrane-bound sacs filled with digestive enzymes.

Correct Option: 2. Lysosomes

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