Final answer:
Option (1) The participle in the provided sentence is 'Chosen', serving as a modifier for the noun 'Tara' and describing her leadership abilities.
Step-by-step explanation:
The participle in the sentence 'Chosen for her leadership abilities, Tara is an effective Student Council President' is 'Chosen'. A participle is a form of a verb that is used in a sentence to modify a noun or noun phrase or to form a compound verb.
In this case, 'Chosen' is a past participle that modifies the noun 'Tara', describing the reason for her being an effective Student Council President based on her leadership abilities. Participles can often be identified because they sometimes appear with helping verbs, but in this case, it is used at the beginning of the sentence as part of a participial phrase that adds information about the subject.