A) Acacia nilotica
B) Simmondsia chinensis
C) Ricinus communis
D) Both (a) and (b)
Correct Answer: C
Solution :
Ricinus communis (Family-Euphorbiaceae) yields castor oil. Castor oil and its derivatives are used as lubricants for locomotives, marine engine and aeroplane engine. Hydrogenated castor oil is used in manufacture of ointment bases, waxes, polishes, carbon paper and candle. Acacia nilotica is a common tannin yielding tree found in the forest and waste lands.
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