866: Water which contains soluble salts of calcium and magnesium is known as
(a) Heavy water
(b) Soft water
(c) Hard water
(d) Mineral water
867: Match List-I wish List-II and select the correct answer using the code given below the lists:
List-I(Company) List-II(Major Area/Product)
A. Chevron 1. Wind energy
B. A T & T 2. Oil
C. AMD 3.Telephone, internet
D. Enercon 4. Micro-processor
(A) 2 3 4 1
(B) 4 1 2 3
(C) 2 1 4 3
(D) 4 3 2 1
868: Lichens is an association of two types of organisms. They are:
(a) Algae and fungi
(b) Algae and virus
(c) Fungi and virus
(d) Virus and bacteria
869: The winter rain in Madras is caused by:
(a) South-West Monsoons
(b) North-East Monsoons
(c) Intense land and sea breezes
(d) Cyclonic winds in the Bay of Bengal
870: The misery index is the sum of a country's unemployment and inflation rate. The higher the index, the more miserable is the country to live in. The figure given below is the Misery Index for various countries in Europe :
Which of the following conclusions can be drawn from the misery index given above ?
I. Britain is the most miserable country to live in.
II. The inflation rate in Spain is less than that in Belgium and Britain.
III. Italy and France seem to have almost identical unemployment rate.
IV. The higher the misery index, the higher the inflation rate.
Select the correct answer using the codes given below:
Codes:
(a) I alone
(b) II and III
(c) I, II, III and IV
(d) None of the above