Consider the following 1. Birds 2. Dust blowing 3.

| M: +2.00/-0.67

Consider the following

1. Birds

2. Dust blowing

3. Rain

4. Wind blowing

Which of the above spread plant diseases?

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1. ?????

2. ??? ??????

3. ?????

4. ??? ????

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[UPSC IAS Prelims 2018]

A (a) 1 and 3 only

(a) केवल १ और ३

B (b) 3 and 4 only

(b) ३ और ४ ही

C (c) 1, 2 and 4 only

D (d) 1, 2, 3 and 4

(d) 1, 2, 3 और 4

Agencies like wind, water, animals, insects, mites, nematodes, birds etc. are th...

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