2921: Ice skating can be used to demonstrate that when ice is under pressure, its:
(a) Melting point is lowered
(b) Melting point is raised
(c) Melting point remains unchanged
(d) Coefficient of friction with metal is reduced
2922: To uphold and protect the sovereignty, unity and integrity of India, a provision has been made in the:
(a) Directive Principles of State Policy
(b) Preamble to the Constitution
(c) Fundamental Duties
(d) Fundamental Rights
2923: In which type of rocks are metals like gold and copper mostly found?
(a) Old igneous
(b) Old metamorphic
(c) Old sedimentary
(d) New metamorphic
2924: Consider the following statements:
1. In India, the Himalayas are spread over five States only.
2. Western Ghats are spread over five States only.
3. Pulicat Lake is spread over two States only.
Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 3 only
(c) 2 and 3 only
(d) 1 and 3 only
2925: Which of the following pairs is NOT correctly matched ?
(a) India's first Technicolour film : Jhansi Ki Rani
(b) India's first 3-D film : My Dear Kuttichat
(c) India's first insured film : Taal
(d) India's first actress to win the Bharat Ratna : Meena Kumari