1976: Which one among the following States of India has the Lowest density of population ?
(a) Arunachal Pradesh
(b) Sikkim
(c) Meghalaya
(d) Himachal Pradesh
1977: Which organ is associated with the production of insulin in the human body ?
(a) Pancreas
(b) Liver
(c) Kidney
(d) Heart
1978: Which of the following fertilisers leaves acidic residue?
(a) Ammonium phosphate
(b) Ammonium sulphate
(c) Urea
(d) Sulphate of potash
1979: Two taps can fill a tank separately in 20 minutes and 30 minutes respectively. If both the taps are opened simultaneously, then the tank can be filled in:
(a) 50 minutes
(b) 15 minutes
(c) 12 minutes
(d) 10 minutes
1980: The diameters of two circular coins are in the ratio of 1:3. The smaller coin is made to roll around the bigger coin till it returns to the position from where the process of rolling started. How many times the smaller coin rolled around the bigger coin ?
(A) 9
(B) 1.5
(C) 6
(D) 3