221: The colour of an opaque object is due to the colour it

(a) absorbs

(b) refracts

(c) reflects

(d) scatters
222: Savanna grasslands are found in

(a) North America

(b) Africa

(c) Australia

(d) East Asia
223: Which one of the following is the correct sequence in increasing order of molecular weights of the hydrocarbons ?

(a) Methane, ethane, propane and butane

(b) Propane, butane, ethane and methane

(c) Butane, ethane, propane and methane

(d) Butane, propane, ethane and methane
224: Match List I with List II and select the correct answer using the codes given below the lists :

List I------ List II

(Places)----(Industries)

I. Jamnagar-(A) Aluminium
II. Hospet---(B) Woollen Textile
III. Korba----(C) Fertilizers
IV. Haldia----(D) Cement
-------------(E) Iron and Steel
Codes:

(a) I-D, II-C, III-A, IV-B
(b) I-B, II-E, III-A, IV-C
(c) I-D, II-E, III-B, IV-A
(d) I-B, II-A, III-D, IV-C
225: Which of the following Constitutional Amendments are related to raising the number of Members of Lok Sabha to be elected from the States?

(a) 6th and 22nd
(b) 13th and 38th
(c) 7th and 31st
(d) 11th and 42nd