Consider the following: 1. Birds 2. Dust blowing 3. Rain 4. Wind blowing Which of the above spread plant diseases?
A1 and 3 only
B3 and 4 only
C1, 2 and 4 only
D1, 2, 3 and 4
Answer & Solution
Correct answer: D. 1, 2, 3 and 4
UPSC CSE Prelims 2018 (GS-I, Set C), Q.99. Official answer key: D.
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