UPSC Prelims 2001·GS1·science-and-technology·science and technology

The cellular and molecular control of programmed cell death is known as

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Last updated 23 May 2026, 3:31 pm IST
  1. AApoptosisCorrect
  2. BAgeing
  3. CDegeneration
  4. DNecrosis

Explanation

Apoptosis is the correct answer because it refers to a genetically directed process of self destruction in cells. It is often called programmed cell death because it follows a controlled molecular sequence to remove old, damaged, or unnecessary cells without harming surrounding tissues. Ageing refers to the gradual decline in cell function over time. Degeneration is the process of tissues or organs losing their functional ability due to disease or injury. Necrosis is cell death caused by external factors like infection, toxins, or physical trauma, which is passive and unprogrammed, often leading to inflammation.
science-and-technology: The cellular and molecular control of programmed cell death is known as
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