661: In the context of the organic evolution, the loss of limbs of snakes is explained by the phenomenon of
(a) use and disuse of organs
(b) adaptation to living in burrows
(c) natural selection
(d) inheritance of acquired characters
662: If you are the ninth person in the queue starting from either end, than the number of persons in the queue is
(a) 10
(b) 15
(c) 17
(d) 19
663: In which of the following areas can GPS technology be used?
1. Mobile phone operations
2. Banking operations
3. Controlling the power grids
Select the correct answer using the code given below:
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
664: Consider the following statements :
1. Caffeine, a constituent of tea and coffee is a diuretic.
2. Citric acid is used in soft drinks.
3. Ascorbic acid is essential for the formation of bones and teeth.
4. Citric acid is a good substitution for ascorbic acid in our nutrition.
Which of the statements given above are correct ?
(a) 1 and 2, only
(b) 1, 2 and 3, only
(c) 3 and 4 only
(d) 1, 2, 3 and 4
665: The Minimum Alternative Tax (MAT) was introduced in the Budget of the Government of India for the year
(a) 1991-92
(b) 1992-93
(c) 1995-96
(d) 1996-97