Match List-I with List-II.
 

	List-I		List-II
(A)	Terpenoides	(I)	Codeine
(B)	Lectins	(II)	Diterpenes
(C)	Alkaloids	(III)	Ricin
(D)	Toxins	(IV)	Concanavalin A

Choose the correct answer from the options given below :
 

	(A)	(B)	(C)	(D)
(1)	II	IV	III	I
(2)	II	I	IV	III
(3)	II	III	I	IV
(4)	II	IV	I	III

A-II, B-IV, C-I, D-III
A. Terpenoides - Diterpenes
Terpenoides are a type of naturally occurring lipids found as a component of a variety of fruit and fl oral fl avours and aromas. It is also used in perfumes, essential oils and medicines.
B. Lectins - Concanavalin A 
Lectins are proteins that bind to specifi c sugars, produced as a part of defense mechanism in plants. 
C. Alkaloids - Codeine
Alkaloids are a class of N2 containing organic compounds of plant origin. They include many drugs (codeine, morphine) and poisons (ricine, strychnine).
D. Toxins - Ricin
Ricin is a toxin found in castor seeds (ricinus). It is a type of lectin.