Antennas ________ able cockroaches to sense their surroundings. (Choose the correct prefix)

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Kerala PSC Common Preliminary Exam (GRADUATE LEVEL) PYP - 2025 (held on 24th May 2025)
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  1. dis - 
  2. un -
  3. en -
  4. in - 

Answer (Detailed Solution Below)

Option 3 : en -
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The correct answer is 'en -'.
 
Key Points
  • "en-" is the correct prefix because it is used to form verbs that mean "to cause to be" or "to make." In this context, "enables" means to make it possible for cockroaches to sense their surroundings.
  • The verb "enable" comes from the prefix "en-" and means "to give the ability to," which fits the context of the sentence about the antennas allowing cockroaches to sense their surroundings.
  • Options 1, 2, and 4 are incorrect because they do not convey the intended meaning of allowing or providing the ability in this context.
Therefore, the correct answer is Option 3.
 
Complete Sentence: "Antennas enable cockroaches to sense their surroundings."
 
Additional Information
  • Option 1: "dis-" is incorrect because "dis-" means "opposite of" or "remove," which does not fit in the context of enabling cockroaches to sense their surroundings.
  • Option 2: "un-" is incorrect because "un-" generally means "not" or "opposite of," which does not convey the idea of making something possible, as needed in this sentence.
  • Option 4: "in-" is incorrect because "in-" often means "not" or "into," which does not fit the context of enabling an ability.
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