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  9. Q89

OPSC OCS 2023 · Question 89 of 97

With reference to cloud seeding, consider the following statements: (1) It is a weather modification technique that improves a cloud's ability to produce rain or snow by introducing tiny ice nuclei into certain types of subfreezing clouds. (2) Aluminum hydroxide is the most common chemical used for cloud seeding. Select the correct statement using the code given below:

Science & Tech

  1. A1 onlyCorrect
  2. B2 only
  3. CBoth 1 and 2
  4. DNeither 1 nor 2

Answer: A. 1 only

Explanation

Statement 1: Cloud seeding is a weather modification technique that improves a cloud’s ability to produce rain or snow by introducing tiny ice nuclei into certain types of subfreezing clouds. These nuclei provide a base for snowflakes to form.

Source: OPSC OCS Prelims 2023 GS Paper-I; answers per Apti Plus unofficial key

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