2686: The working of the quartz crystal In the watch is based on the
(a) Photoelectric Effect
(b) Johnson Effect
(c) Piezo-electric Effect
(d) Edison Effect
2687: The earliest evidence of silver in India is found in the
(a) Harappan culture
(b) Chalcolithic cultures of Western India
(c) Vedic texts
(d) Silver punch-marked coins
2688: Which Article of the Constitution of India says, "No child below the age of fourteen years shall be employed to work in any factory or mine or engaged in any other hazardous employment"?
(a) Article 24
(b) Article 45
(c) Article 330
(d) Article 368
2689: Consider the following statements :
1. According to the Census 2001, Kerala has the smallest gap in male and female literacy rates among the 28 states of India (Delhi and Pondicherry not included).
2. According to the Census 2001, Rajasthan has literacy rate above the national average literacy rate
Which of the statements given above is/are correct?
(A) 1 only
(B) 2 only
(C) Both 1 and 2
(D) Neither 1 nor 2
2690: The provisions in Fifth Schedule and Sixth Schedule in the Constitution of India are made in order to
(a) protect the interests of Scheduled Tribes
(b) determine the boundaries between States
(c) determine the powers, authority and responsibilities of Panchayats
(d) protect the interests of all the border States