Important MCQs BCQs from past papers and model paper for pharmacognosy preparation
 VOLATILE OILS Select the correct answer out of the given choices Terpenes made up of :  a)  Calcierene		b)  Pseudopriene c)  Neoprene		d)  Isoprene Ans: d Molecular formula for isoprene unit is:  a) C8 H8		b)  C3 H8  c)  C5 H8		d)  C6 H6  Ans: c Example of alcohol volatile oil:  a)  Peppermint		b)  Cinnamon c)  Lemon peel	d)  Orange peel   Ans: a Which is not an example of ester volatile oil?  a)  Gaultheria		b)  Lavender c)  Muster		d)  Cinnamon Ans: d Drug is not an example of phenol volatile oil:  a)  Clove 		b)  Anise c)  Creosote		d)  Thyme Ans: b The major terpenoid in clove oil:  a)  Eugenol 		b)  Santalol c)  Anethol		d)  Menthol Ans: a Triterpenes contain number of isoprene units:  a)  Four		b)  Five c)  Six			d)  Seven Ans: c Diterpenes contain number of isoprene units:  a)  Three		b)  Four c)  Five 		d)  Six Ans: b Monoterpenes contain number of isoprene units:  a)  One			b)  Three c)  Two		d)  Four Ans: c Lemo...