Which of the following statements about ‘fission’ is correct ? 1. It

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Which of the following statements about ‘fission’ is correct ?

  • 1. It is related with the creation of new individuals by means of cell division in unicellular organism.
  • 2. It is related with the transformation of heavier nuclei into smaller nuclei.
  • 3. It is related with the creation of a heavier nuclei by means of combining two higher nuclei.

Select the correct answer using the code given below :

1 only
2 only
1 and 2 only
1 and 3 only
This question was previously asked in
UPSC CDS-1 – 2021
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Statement 1 is correct as fission in biology refers to cell division for reproduction in unicellular organisms like bacteria and amoeba, resulting in the creation of new individuals. Statement 2 is correct as nuclear fission is a process in nuclear physics where a heavy atomic nucleus splits into smaller, lighter nuclei, often releasing energy. Statement 3 describes nuclear fusion, where lighter nuclei combine to form a heavier nucleus, which is the opposite of nuclear fission. Therefore, statements 1 and 2 correctly describe different types of ‘fission’.
Fission refers to splitting or division, occurring in both biological (cell division) and nuclear (heavy nucleus splitting) contexts. Fusion is the combining of nuclei.
Binary fission is the most common form of reproduction in prokaryotes. Nuclear fission is used in nuclear power plants and atomic bombs. Nuclear fusion occurs naturally in stars.

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