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Who was the author of the book 'Hind Swaraj'?
(a)Mahatma Gandhi
(b)Bal Gangadhar Tilak
(c)Jawaharlal Nehru
(d)Sardar Vallabhbhai Patel

50% studentsanswered this correctly
Important Questions on Atoms
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Give the plausible explanation for the following:
The two strands in DNA are not identical but are complementary.

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