981: Which one among the following is not a good source of nutritional calcium?
(a) Egg
(b) Skimmed milk
(c) Ragi
(d) Rice
982: In 1930, a person's age was 8 times that of his son. In 1938, the father's age became ten times that of his son's age in 1930. The ages of the son and father in 1940 were, respectively.
(a) 16 years, 58 years
(b) 15 years, 50 years
(c) 14 years, 42 years
(d) 13 years, 34 years
983: Which of the following is correct for tea?
(a) Alkaline and nicotine
(b) Alkaline and caffeine
(c) Acidic and nicotine
(d) Acidic and caffeine
984: Vitamins do not act as a/an:
(a) Source of energy
(b) Stimulant in the growth of the body
(c) Agent in regulating the chemical processes in the body metabolism
(d) All of the above
985: At which one of the following positions shown in the diagram will the height of the ocean tide be maximum ?
(a) M,1
(b) M,2
(c) M,3
(d) M,4