56: The tribal population in Andaman and Nicobar Islands belongs to the

(a) Australoid race
(b) Caucasoid race
(c) Mongoloid race
(d) Negroid race
57: A and B can complete work together in 5 days. If a works at twice his speed and B at half of his speed this works can be finished in 4 days. How many days would it take for A alone to complete the job ?

(A) 18
(B) 10
(C) 12
(D) 15
58: Dakshin Gangotri is a/an:

(a) River-valley project in Andhra Pradesh

(b) Unmanned station located in Antarctica for continuous weather and scientific recordings

(c) Second source of the river Ganga

(d) Island in the Indian Ocean near Antarctica
59: Which of the following is the chief characteristic of 'mixed farming'?

(a) Cultivation of both cash crops and food crops

(b) Cultivation of two or more crops in the same field

(c) Rearing of animals and cultivation of crops together

(d) None of the above
60: Match List I with List II and select the correct answer by using the codes given below the lists :

List I-------------------------------------------------------List II

(Climatic Conditions)------------------------------------(Reasons)

I. Chennai is warmer than Calcutta------------------(A) North-East Monsoon

II. Snowfall in Himalayas-------------------------------(B) Altitude

III. Rainfall decreases from Depressions------------(C) Western West Bengal to Punjab

IV. Sutlej-Ganga Plain gets some rain in water----(D) Distance from sea

--------(E) Latitude

Codes:

(a) I-A, II-B, III-D, IV-E
(b) I-D, II-E, III-A, IV-C
(c) I-E, II-B, III-D, IV-C
(d) I-E, II-A, III-C, IV-D