3916: The chemical name for urea is:
(a) Aneurin
(b) Chloroethene
(c) Carbamide
(d) None of these
3917: What was the main reason for the split in the Indian National Congress at Surat in 1907?
(a) Introduction of communalism into Indian politics by Lord Minto
(b) Extremists lack of faith in the capacity of the moderates to negotiate with the British Government
(c) Foundation of Muslim League
(d) Aurobindo Ghoshs inability to be elected as the President of the Indian National Congress
3918: Two important rivers - one with its source in Jharkhand (and known by a different name in Odisha), and another with its source in Odisha - merge at a place only a short distance from the coast of Bay of Bengal before flowing into the sea. This is an important site of wildlife and biodiversity and a protected area.
Which one of the following could be this?
(a) Chandipur-on-sea
(b) Gopalpur-on-sea
(c) Bhitarkanika
(d) Simlipal
3919: Consider the following statements:
1. The first telegraph line in India was laid between Kolkata (formerly Calcutta) and Diamond Harbour.
2. The first Export processing zone in India was set up in Kandla.
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
3920: Recently, there has been a concern over the short supply of a group of elements called 'rare earth metals'. Why?
1. China, which is the largest producer of these elements, has imposed some restrictions on their export.
2. Other than China, Australia, Canada and Chile, these elements are not found in any country.
3. Rare earth metals are essential for the manufacture of various kinds of electronic items and there is a growing demand for these elements.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3