UGC NET Paper I Exam 28 Feb 2023 Shift 2 Paper

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Question : 39 of 50
 
Marks: +1, -0
Given below are two statements:
Statement I: Allergens are substances that activate the immune system.
Statement II: Concentration of allergens in indoor environment can be thousand times higher than in the air outside.
In light of the above statements, choose the most appropriate answer from the options given below:
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