Moderate

Radiations are dangerous to living organisms because they damage the cell by:

Correct answer: A. By producing ions in the cells

  • A. By producing ions in the cells
  • B. By increasing the temperature of cells
  • C. By decreasing the number of cells
  • D. By destroying the cells

Explanation

Radiations are damaging to living organisms because cause ionisation of living cells. STB Pg-341 Hence, option A is correct.

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Atomic nuclei contain protons and neutrons, with nuclear size, mass defect and binding energy describing their stability. The work covers alpha, beta and gamma decay, decay equations, half-life and decay rate, along with radiation safety and medical applications such as imaging, radiotherapy and tracers.

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