1936: When you travel in certain parts of India, you will notice red soil. What is the main reason for this colour ?

(a) Abundance of magnesium
(b) Abundance of phosphates
(c) Presence of ferric-oxides
(d) Accumulated humus
1937: The water pollution in river is measured by the dissolved amount of

(a) Chlorine
(b) Ozone
(c) Nitrogen
(d) Oxygen
1938: Toramana belonged to the ethnic horde of the

(a) Scythians

(b) Hunas

(c) Yue-chis

(d) Sakas
1939: Match List I with List II and select the correct answer by using the codes given below the lists:

List I List II

(Functionaries) --------------------- (Oaths or affirmations)

I. President of India ----------------- (A) Secrecy of Information
II. Judges of the Supreme Court ---- (B) Faithful Discharge of Duties
III. Members of Parliament ---------- (C) Faith and Allegiance to the Constitution of India
IV. Ministers for the Union ---------- (D) Upholding the Constitution and the Law

Codes:

(a) I-C, II-D, III-A, IV-B
(b) I-D, II-C, III-B, IV-A
(c) I-C, II-D, III-B, IV-A
(d) I-D, II-C, III-A, IV-B
1940: What is the likely impact of decrease of population on economy?

(a) Increase in per capita income

(b) Decrease in per capita income

(c) Increase in investment

(d) Decrease in savings