UPSC CDS 2 2019 GK Paper

(a) Ancient India knew the use of manure. Because of this Greek travellers were most impressed by the fertility of India's soil and the energy and ability of India's cultivators.
From Maurya period to Gupta period, the arrival of Greeks in India is common. Greek travellers visited India and impressed by India's natural beauty in terms of plants, animals, minerals. Hence, both the statements are correct and statement II is correct explanation of statements I.